spurious volatility in historical unemployment data this paper shows that the stabilization of the unemployment rate between the pre 1930 and post 1948 eras is an artifact of improvements in data collection procedures prewar methods are used to construct postwar unemployment data that are consistent with the historical data the constructed postwar series is nearly as volatile as the pre 1930 unemployment data the constructed postwar data are systematically more volatile than the actual postwar data because the cyclical behavior of the labor force and productivity are misspecified in the construction procedures the relationship between the actual and constructed postwar unemployment series is used to construct new historical data

liberalization of capital movements and of the domestic financial system this paper analyzes the dynamic impact of a joint liberalization of capital movements and of the domestic financial sector both a simultaneous and a sequential liberalization are examined in an overlapping generations model with a q theory of investment a liberalization generally leads to an initial period of capital inflows followed by capital outflows it also increases investment and causes an overshooting in share prices furthermore the interest rate level before a liberalization will usually not indicate the direction of net capital flows copyright 1992 by the london school of economics and political science

world war i and the postwar depression a reinterpretation based on alternative estimates of gnp abstract this paper examines the official commerce department estimates of gross national product for 1909 1928 and suggests that they are far inferior to the less commonly used kendrick gnp estimates the paper then derives a revised version of the kendrick series that alters significantly the representation of annual movements in gnp before 1919 this endorsement of a revised kendrick gnp series in place of the official commerce department estimates before 1929 suggests that aggregate demand movements had much less effect on real output during world war i and the depression of 1921 than is commonly believed

willingness to pay for stochastic improvements of future risk under different risk aversion abstract within a general intertemporal decision making framework this work shows one individual with more k th degree k 2 n ross risk aversion always chooses more current paying to improve his future payoff distribution when such stochastic improvement satisfies the n th degree mean preserving stochastic dominance moreover when stochastic improvement of the future payoff distribution is not mean preserving the notions of linearly quadratically restricted more ross risk aversion proposed by eeckhoudt liu and meyer 2017 can help provide a clear cut comparative statics analysis

what explains wage gaps between farm and city exploring the todaro model with american evidence 1890 1941 nominal wage gaps between farm and city employment are one of the most pervasive aspects of modern economic growth so much so that they have become a key stylized fact of development economics indeed a good portion of the literature on the third world has focused on this problem at length both in terms of labor market behavior and in terms of policy formation in the face of factor market distortions yet wage gaps are not simply an institutional peculiarity of newly industrializing third world countries since they seem to have been even greater among nineteenthand twentieth century western nations while unskilled full time nominal city wages are about 41 higher than farm wages in the contemporary third world they were about 51 higher among late nineteenth century industrializers they were even higher in england in the 1830s about 73 2 furthermore the evidence suggests that these wage gaps vary substantially over time they rose from 29 to 41 in the american north between the antebellum and postbellum periods and were about 50 by the mid 1890s in the united states as a whole a figure that reached an all time u s high of about 65 by the late 1930s 3 there are three questions that these wage gaps raise not just one first would these nominal full time wage gaps disappear if they were properly measured proper measurement would include the fact that cities are more costly places to live that cities may have greater disamenities that farmers also make in kind payments to their workers and that farm laborers suffer seasonal underemployment elsewhere

inflation and reputation in many macroeconomic models with rational expectations optimal policy is time inconsistent and therefore announced policy may not be credible this paper models the government s credibility explicitly using kreps and wilson s analysis time consistent optimal government policy emerges as a sequential equilibrium in a repeated game this policy is at least as good as the inconsistent optimal policy and dominates the consistent policy when reputational effects are ignored thus the analysis resolves the problem of specifying a credible optimal policy in such models the results show why attempts to disinflate may lead to recession even with perfectly flexible prices this abstract was borrowed from another version of this item

precautionary saving and the notion of ambiguity prudence this letter develops a set of simple conditions under which an individual is willing to save an extra amount of money due to the presence of ambiguity concerning his second period wealth this extra precautionary saving motive is naturally associated with the notion of ambiguity prudence

on the simple economics of advertising marketing and product design we propose a framework for analyzing transformations of demand such transformations frequently stem from changes in the dispersion of consumers valuations which lead to rotations of the demand curve in many settings profits are a u shaped function of dispersion high dispersion is complemented by niche production and low dispersion is complemented by mass market supply we investigate numerous applications including product design advertising marketing and sales advice and the construction of quality differentiated product lines we also suggest a new taxonomy of advertising distinguishing between hype which shifts demand and real information which rotates demand

multinationals response to repatriation restrictions abstract we present a model that explains how repatriation restrictions can increase or decrease a multinational s capital investment in and technology transfer to its subsidiary past remittance restrictions influence the multinational s expectation of current and future repatriation policies which affect its operations we show that the model can capture the flows of united states multinational s capital and technology in response to various forms of brazilian repatriation restrictions seen in the eighties by comparing steady state level effects of the restrictions we show countries should expect an inflow of foreign direct investment with the abolishment of restrictions not an outflow as some countries fear

constructing bounds on per capita income differentials across countries the results of purchasing power parity ppp based comparisons of income across countries can be quite sensitive to the choice of index number formula tighter bounds on per capita income differentials can be constructed either by assuming homothetic preferences or by estimating a demand system both approaches are used to construct bounds on per capita income differentials across the oecd countries the paper concludes by discussing the strengths and weaknesses of each approach

is increased nominal flexibility stabilizing some international evidence this paper studies the impact of the increased rigidity on macroeconomic fluctuations the author uses this evidence to test the validity of two major keynesian explanations the first is the conventional sticky wage sticky price explanation that suggests that the increased nominal rigidity ceteris paribus is destabilizing the second is a recently developed explanation that suggests that the increased flexibility is destabilizing the author s results are consistent with the conventional implications copyright 1991 by the london school of economics and political science

investability the key to competitive regions and cities this article proposes and develops a concept investability that can be used for analysing the competitive position of cities or regions and formulating policy responses it can be defined as conditions that are conducive to a higher level of investment and refers principally to the business environment in which economic agents operate the paper discusses various influences on investment decisions and how they will impinge on different classes of potential investors policy implications are developed and the ways in which the concept might be used in policy making are examined

international income inequality measuring ppp bias by estimating engel curves for food there are large differences between rich and poor people in the world this is of major concern to economists as well as to policy makers the magnitude of the dif ferences however depends on the measure used for comparisons to illustrate per capita income in china is more than five times larger if one uses penn world table pwt 1 incomes rather than exchange rate based ex incomes in this paper we study pwt incomes which aim at correcting for price level dif ferences across countries and identify the bias in them by estimating engel curves for food furthermore we study the relationship between the bias and the income of a country the pwt produces purchasing power parity ppp adjusted incomes and thus the associated bias is referred to as the ppp bias having estimated the bias in pwt incomes we provide new estimates of real income and refer to these as the engel curve ec incomes by comparing the estimated ec incomes and the pwt incomes the issue of how the bias influences estimated inequality is discussed finally we discuss whether ex incomes which simply transform each country s nominal income into one common currency provide better estimates of income than do pwt incomes this paper reports three main findings first there is substantial and systematic ppp bias in the pwt incomes the poorer the country the more its income tends to be overestimated 2 second the ppp bias causes a substantial and robust underesti mation of international inequality the gini index increases substantially when one adjusts for the bias third whereas pwt incomes provide better estimates than the ex incomes for the richer countries the ex incomes which implicitly assume that ppp holds provide better estimates for the poorer countries as we know that price levels differ across countries there is consensus that the seminal work on establishing the pwt was a well founded initiative and the data have been extensively used 3 still although many studies rely on pwt data few focus on the ppp bias in this dataset some contributors focus on one component of the bias however the so called substitution bias and use macro data to measure this

changes in the cyclical sensitivity of wages in the united states 1891 1987 the conventional wisdom that nominal wages became less sensitive to the business cycle and more autocorrelated after world war ii is reexamined here by considering whether these properties are artifacts of the methods used to construct prewar wage series a replication based on these methods is more cyclically sensitive and exhibits less autocorrelation than the postwar data aggregation using variable instead of fixed employment weights also greatly exaggerates the cyclicality of prewar wages these biases imply that wages are just as sensitive to the cycle today as one hundred years ago perhaps even more so copyright 1992 by american economic association

ready for capital account convertibility abstract this paper investigates whether the impact of capital account convertibility on the long term volatility of economic growth depends on financial development it estimates a system of three simultaneous equations mean growth volatility of growth and financial development this allows for the study of both the impact of capital account liberalization on volatility as well as its direct impact on financial development results indicate that economies with low financial development fall prey to excess volatility arising from capital account openness while capital account openness itself has a significant positive impact on financial development the results are robust to alternative measures of financial development and volatility and to the removal of outliers

credibility of policies versus credibility of policymakers standard models of policy credibility defined as the expectation that an announced policy will be carried out emphasize the preferences of the policymaker and the role of tough policies in signaling toughness and raising credibility whether a policy is carried out however will also reflect the state of the economy we present a model in which a policymaker maintains a fixed parity in good times but devalues if the unemployment rate gets too high our main conclusion is that if there is persistence in unemployment observing a tough policy in a given period may lower rather than raise the credibility of a no devaluation pledge in subsequent periods we test this implication on ems interest rates and find support for our hypothesis

when liberal policies reflect external shocks what do we learn abstract we present a model where policies of free capital mobility can signal governments future policies but the informativeness of the signal depends on the path of world interest rates capital flows to emerging markets reflect investors perception of these markets political risk with low world interest rates emerging markets experience a capital inflow and engage in a widespread policy of free capital mobility with higher rates only sufficiently committed countries allow free capital mobility whereas others impose controls to trap capital onshore thus signaling future policies affecting capital mobility these predictions are consistent with the recent experience of capital flows and policies affecting capital mobility in developing countries

an exploration of the changes in the international comparison program s global economic landscape abstract the purchasing power parity ppp rates from the 2011 round of the international comparison program icp imply some dramatic revisions to price levels and real incomes across the world as compared to the prior 2005 round this has important implications for many cross country comparisons including measures of poverty and inequality without presuming that either round is better methodologically the paper tries to help the community of icp users better understand the economic factors underlying the estimated changes in price levels across countries differences in domestic inflation rates have played a role as expected two other factors are identified the excess sensitivity to changes in market exchange rates suggests that the ppps may put higher weight on internationally traded goods than do domestic deflators additionally faster growing countries have seen a steeper rise in their ppp relative to market exchange rates this can be explained by a tendency for wage increases in growing economies to lead to a higher price level together these factors account for over 70 of the variance in ppp changes even ignoring methodological changes however an independent downward drift in price levels is also evident concentrated in the icp s asia region a possible explanation lies in the asia region s greater success relative to other regions in removing urban bias in the price surveys

skewness preference risk aversion and the precedence relations on stochastic changes this paper provides a general choice theoretic characterization of the trade off between risk and skewness whose importance in understanding risk taking behavior is well documented in empirical studies the condition under which the prudence measure kimball 1990 characterizes the strength of an individual s downside risk aversion against his own risk aversion is identified and interpreted in a unifying framework based on the concept of one stochastic dominant change preceding another and that of the desirability of a stochastic change the framework is also shown to be useful for a better understanding of the arrow pratt measure the stronger ross measure and the coincidence of the characterizations of downside risk aversion and prudence as well as the relationship between stochastic dominances of different degrees

democracy and economic growth a historical perspective recent studies appear to show that democracy has no robust association with economic growth yet all such work assumes that the causal effect of democracy can be measured by a country s regime status in a particular year t which is correlated with its growth performance in a subsequent period t 1 the authors argue that democracy must be understood as a stock rather than a level measure that is a country s growth performance is affected by the number of years it has been democratic in addition to the degree of democracy experienced during that period in this fashion democracy is reconceptualized as a historical rather than a contemporary variable with the assumption that long run historical patterns may help scholars to understand present trends the authors speculate that these secular historical infiuences operate through four causal pathways each of which may be understood as a type of capital physical capital human capital social capital and political capital this argument is tested in a cross country analysis and is shown to be robust in a wide variety of specifications and formats

on the aggregate welfare cost of great depression unemployment abstract the potential benefit of policies that eliminate a small likelihood of economic crises is calculated an economic crisis is defined as an increase in unemployment of the magnitude observed during the great depression for the u s the maximum likelihood estimate of entering a depression is found to be about once every 83 years the welfare gain from setting this small probability to zero can range between 1 and 7 of annual consumption in perpetuity for most estimates more than half of these large gains results from a reduction in individual consumption volatility

some evidence on demand fluctuations and the increased stability of the post war american economy this paper investigates the implications of a sticky wage contracting model that can explain both the decline in wage and price flexibility and the increased stability of the post war american economy the reduction in the size of demand shocks in the post war period has increased agents incentives to write longer contracts though longer contracts have rendered real activity more responsive to demand shocks in the post war period the reduction in the size of these shocks has dominated the increase in the size of response to a particular shock overall real activity has become more stable in the post war period as predicted by theory

inflation expectations and behavior do survey respondents act on their beliefs we compare the inflation expectations reported by consumers in a survey with their behavior in a financially incentivized investment experiment the survey is found to be informative in the sense that the beliefs reported by the respondents are correlated with their choices in the experiment more importantly we find evidence that most respondents act on their inflation expectations showing patterns consistent with economic theory respondents whose behavior cannot be rationalized tend to have lower education and lower numeracy and financial literacy these findings help confirm the relevance of inflation expectations surveys and provide support to the microfoundations of modern macroeconomic models

inflation unemployment regimes and the instability of the phillips curve using the statistical technique of fuzzy clustering regimes of inflation and unemployment are explored for the united states the united kingdom and germany between 1871 and 2009 we identify for each country three distinct regimes in inflation unemployment space similarities exist across countries in both the regimes and the timings of the transitions between regimes however the typical rates of inflation and unemployment experienced in the regimes are substantially different further even within a given regime the results from the cluster analysis reveal persistent fluctuations in the degree of attachment to that regime of inflation unemployment observations over time the economic implications of this are that first the inflation unemployment relationship or phillips curve experiences from time to time major shifts second that it is also inherently unstable even in the short run it is likely that the factors which govern the inflation unemployment trade off are so multi dimensional that it i

capital controls and exchange rate instability in developing economies abstract a large literature on the appropriate sequencing of financial liberalization suggests that removing capital controls prematurely may contribute to currency instability this paper investigates whether legal restrictions on international capital flows are associated with greater currency stability we employ a comprehensive panel data set of 69 developing economies over the 1975 1997 period identifying 160 currency crises we control for macroeconomic political and institutional characteristics that influence the probability of a currency crisis employ alternative measures of restrictions on international payments and account for possible joint causality between the likelihood of a currency attack and the imposition of capital controls we find evidence that restrictions on capital flows do not effectively insulate economies from currency problems rather countries with less restrictive capital controls and more liberalized regimes appear to be less prone to speculative attacks

revenues and welfare in auctions with information release abstract this paper studies information release in symmetric independent private value auctions with multiple objects and unit demand we compare effects on welfare to those on the seller s revenue applying the dispersive order the previous literature could only identify settings in which welfare provides the stronger incentives for information release we generalize the dispersive order to k and k m dispersion these new criteria allow us to systematically characterize situations in which revenue provides stronger incentives than welfare and vice versa k m dispersion leads to a complete classification if signal spaces are finite and sufficiently many bidders take part

improving human development a long run view abstract the pessimistic flavour of the human development reports appears to be in contradiction with their own numbers as developing countries fare comparatively better in human development than in per capita gdp terms this paper attempts to bridge this gap by providing a new improved human development index ihdi informed by welfare economics the ihdi is presented here alongside the united nations development programme s undp hdi for the world and its main regions since the late 19th century social dimensions in the ihdi are derived following kakwani journal of development economics 41 1993 pp 307 336 with a convex achievement function whereas a geometric average is employed to combine its dimensions longevity knowledge and income thus the ihdi does not conceal the gap between rich and poor countries and casts a much less optimistic view than the conventional undp index while it fits with the undp concern for international differences the paper s findings highlight main weaknesses in human development dimensions of present day developing countries

true measures of gdp and convergence widely used purchasing power parity comparisons of per capita gdp are not true quantity indexes and are subject to systematic substitution bins this bias may distort measurement of convergence and divergence extending varian s nonparametric construction of a true index gives the set of true indexes including the new ideal afriat index these indexes are utility consistent and independent of arbitrary reference price vectors we establish bounds on the dispersion of true multilateral indexes hence bounds on convergence international price indexes understate both true gdp dispersion and where prices are converging over time the rate of true quantity convergence

the comparative statics on asset prices based on bull and bear market measure abstract for single period complete financial asset markets with representative investors we introduce a bull market measure for uncertain state occurrence and its associated ordering between representative investors in markets based on their marginal rate of substitution between equilibrium consumption allocations among possible states these concepts combine and generalize the likelihood ratio dominance relation between probability prospects of state occurrence and the arrow pratt ordering of risk aversion in expected utility settings by analyzing the comparative statics for bull market effects on equilibrium asset prices we derive some monotone properties of the risk free rate and discounted prices of dividend monotone assets

the effects of imf and world bank lending on long run economic growth an empirical analysis summary the international monetary fund and the world bank frequently and often repeatedly extend loans to developing nations these loans have been blamed for generating adverse economic outcomes the growth impact of fund and bank loan programs is assessed using an empirical growth model that controls for other determinants of growth a unique feature of this study is the use of the value of loans rather than the number of programs the estimates indicate that bank lending stimulates growth in some cases primarily by increasing public investment fund lending is either neutral or detrimental to growth the channel for this effect is a negative impact of fund lending on public as well as private investment

have absolute price levels converged for developed economies the evidence since 1870 abstract we compare price level and income convergence since 1870 for eleven developed economies using implicit price deflators derived from the gdp data of maddison 1995 2001 2003 we find that sigma and beta convergence for prices occurs later and to a lesser extent than income price levels converge after 1950 while income convergence begins in the 1880s we find no evidence for stochastic price convergence or for club price convergence

the growing gap between rich and poor countries a proposed explanation abstract making use of data in the penn world table mark 5 this study seeks to explain the widely reported pattern of increasing divergence of per capita income levels between high and low income countries and among low income countries tests based on one on one comparisons of real growth in 1960 1988 with starting levels of income per capita imply that increasing divergence of per capita income levels was largely due to differences between population growth and labor force growth that varied with income level further evidence is provided in the form of crosscountry growth regressions in which with population growth divided into labor force growth and the amount by which population growth exceeds labor force growth only the part of population growth that represents changes in the dependency ratio is closely linked to long term growth

a measure of the u s output gap abstract an autoregressive distributed lag regression of the unemployment rate on output growth is structurally stable over the 1890 1986 period inverting this equation yields a measure of the output gap which is not subject to the spurious detrending problem

measuring substitution bias in international comparisons based on additive purchasing power parity methods abstract this paper shows that additive purchasing power parity ppp methods such as geary khamis are subject to substitution bias as a result geary khamis comparisons tend to underestimate per capita income differentials across countries the magnitude of the bias is measured for a cross section of 64 countries using international comparison programme icp data geary khamis overestimates some poorer countries per capita incomes relative to richer countries by as much as 70 these results have important implications for much empirical work in development and international economics since geary khamis is the ppp method used by the world bank imf oecd icp and the penn world table

ordering ambiguous acts we investigate what it means for one act to be more ambiguous than another the question is evidently analogous to asking what makes one prospect riskier than another but beliefs are neither objective nor representable by a unique probability our starting point is an abstract class of preferences constructed to be strictly partially ordered by a more ambiguity averse relation we define two notions of more ambiguous with respect to such a class a more ambiguous i act makes an ambiguity averse decision maker dm worse off but does not affect the welfare of an ambiguity neutral dm a more ambiguous ii act adversely affects a more ambiguity averse dm more as measured by the compensation they require to switch acts unlike more ambiguous i more ambiguous ii does not require indifference of ambiguity neutral elements to the acts being compared second we implement the abstract definitions to characterize more ambiguous i and ii for two explicit preference families maxmin expected utility and smooth ambiguity our characterizations show that the outcome of a more ambiguous act is less robust to a perturbation in probability distribution governing the states third the characterizations also establish important connections between more ambiguous and more informative as defined on statistical experiments by blackwell 1953 and others fourthly we give applications to defining ambiguity in the small and to the comparative statics of more ambiguous in a standard portfolio problem and a consumption saving problem

explaining capital account liberalization in latin america a transitional cost approach in the past three decades governments around the world have lowered barriers to international capital flows this movement is widely attributed to the forces of globalization as developed nations moved toward relative convergence on international financial openness yet developing nations with much to gain from openness to foreign investment moved only hesitantly and inconsistently in this direction analysis of two decades of capital account liberalization in latin america and the oecd reveals that nations in latin america with weaker domestic financial sectors face higher risks of transitional dislocations following liberalization and move less aggressively toward openness in the oecd by contrast financial weakness is associated with greater movements toward capital account opening as transitional costs are lower and governments are better equipped to ameliorate them examination of the transitional costs of liberalization thus helps to explain how market pressures may impede rather than promote market oriented reform in latin america

overconfidence ceo selection and corporate governance we develop a model that shows that an overconfident manager who sometimes makes value destroying investments has a higher likelihood than a rational manager of being deliberately promoted to ceo under value maximizing corporate governance moreover a risk averse ceo s overconfidence enhances firm value up to a point but the effect is nonmonotonic and differs from that of lower risk aversion overconfident ceos also underinvest in information production the board fires both excessively diffident and excessively overconfident ceos finally sarbanes oxley is predicted to improve the precision of information provided to investors but to reduce project investment

anticipated money unanticipated money and output 1873 1930 anticipated money unanticipated money and output 1873 1930 i introduction this paper examines the roles of anticipated and unanticipated money in the period between the civil war and the depression 1 such an examination is warranted for at least two reasons first estimation of the impact of anticipated and unanticipated money on output for historical periods can enhance our understanding of the responses of economic activity to these key variables 2 second recent work has shown that traditional historical estimates of output may be faulty see romer 1986a 1986b 1986c 1988 not only do most studies investigating the economic roles played by anticipated and unanticipated money concentrate on the post world war ii era those that discuss the period before world war ii such as rush 1985 1986 use traditional data indeed despite the interesting analyses by rush if the validity of the conventional data on output and unemployment for the era under consideration is rejected then virtually no results on the importance of monetary and real factors for economic activity are available for this important period thus further discussion of this topic is needed to answer two important questions what do the revised data show us about the historical economy do these revisions change the inferences drawn about monetary influences on economic activity the analysis presented here is comprehensive in that a wide range of output measures are employed both in terms of the types of output and in terms of the manner in which the output measures are constructed given this variety in the output measures consistent results on the effects of anticipated and unanticipated money across output measures indicate that conclusions drawn from the analysis are robust in particular the empirical results presented below support the following hypotheses i that anticipated m2 and monetary base growth have no effect on output regardless of the output measure used ii that unanticipated m2 and monetary base growth do effect output regardless of the output measure used and iii that changes in financial intermediation may be important for the evolution of output over time support for hypotheses i and ii is consistent with the monetary explanation of business cycles support for hypotheses iii may be consistent with real explanations of business cycles if exogenous shocks to the monetary production technology subsequently affect output 3 taken together the joint support for hypotheses i iii suggests that at a minimum neither the real nor the monetary explanations for historical u s business cycles can be discounted without additional work the remainder of the paper is organized as follows section ii presents a brief overview of the historical period under consideration along with a discussion of prior work on the effects of anticipated and unanticipated money on output determination during this time period section iii discusses the data and the methodology the empirical results are presented in section iv and the conclusions in section v ii overview the historical period the period under investigation 1873 1930 is one of substantial economic change banking panics the return to the gold standard the founding of the federal reserve system and world war i are some of the more important events occuring during this period we consider the role played by expected and unexpected money in output determination for several major subperiods while data availability largely determined the selection of these subperiods they generally correspond to major economic events despite the structural and institutional changes over the period we also examine the roles of anticipated and unticipated money growth in the determination of output over the entire time period to be valid tests of the impact of money growth on output require a reasonable degree of homogeneity in the economic environment

mean gini portfolio theory and the pricing of risky assets this paper presents the mean gini mg approach to analyze risky prospects and construct optimum portfolios the proposed method has the simplicity of a mean variance model and the main features of stochastic dominance efficiency since mean gini is consistent with investor behavior under uncertainty for a wide class of probability distributions gini s mean difference is shown to be more adequate than the variance for evaluating the variability of a prospect the mg approach is then applied to capital markets and the security valuation theorem is derived as a general relationship between average return and risk this is further extended to include a degree of risk aversion that can be estimated from capital market data the analysis is concluded with the concentration ratio to allow for the classification of different securities with respect to their relative riskiness

changes in business cycles evidence and explanations this paper shows that the volatility of annual real macroeconomic indicators for the united states and the average severity of recessions have declined only slightly between the pre world war i and post world war ii eras recessions have however become somewhat less frequent and more uniform it argues that the advent of macroeconomic policy after world war ii can account for both the observed continuity and change countercyclical monetary policy and automatic stabilizers have prolonged postwar expansions and prevented severe depressions at the same time policy induced booms and recessions have led to continued volatility of the postwar economy

currency crises capital account liberalization and selection bias are countries with unregulated capital flows more vulnerable to currency crises efforts to answer this question properly must control for self selection bias since countries with liberalized capital accounts may also have more sound economic policies and institutions that make them less likely to experience crises we employ a matching and propensity score methodology to address this issue in a panel analysis of developing countries our results suggest that after controlling for sample selection bias countries with liberalized capital accounts experience a lower likelihood of currency crises that is when two countries have the same likelihood of allowing free movement of capital based on historical evidence and a very similar set of economic and political characteristics and one country imposes controls and the other does not the country without controls has a lower likelihood of experiencing a currency crisis this result is at odds with the conventional wisdom and suggests that the benefits of capital market liberalization for external stability are substantial

what do we know about global income inequality in this paper we review the recent literature on global interpersonal income inequality while all estimates agree that the level is very high with a gini of between 0 630 and 0 686 in the 1990s there is no consensus regarding the direction of change we discuss methodological issues including the use of national accounts versus survey based estimates of mean income or consumption and the choice of purchasing power parity exchange rates findings of a rise or fall in global income inequality are not robust across different estimation methods and datasets given the diversity of estimates and various sources of uncertainty including gaps and errors in the underlying data we conclude there is insufficient evidence to determine the direction of change in global interpersonal inequality in recent decades

investment in risky r d programs in the face of climate uncertainty we analyze how the socially optimal technology rd and that uncertainty in damages interacts with uncertainty in the returns to rd and r d that reduces the emissions to output ratio and argue that this is a good representation of r d into fossil fuel technologies for r d programs into non carbon technologies optimal investment is higher in riskier programs our empirical model indicates that the optimal investment in a risky program is about 3 1 2 times larger than in a program with certain returns for r d programs aimed at reducing emissions in fossil fuel based technologies our results show that qualitatively investment is higher in less risky programs under most uncertain damage scenarios our empirical model shows however that the risk profile of fossil fuel based r d programs generally has little quantitative impact on optimal investment the exception is that when the probability of a catastrophe inducing full abatement is very high investment is about twice as high in risky programs compared to programs with certain returns

decreasing aversion under ambiguity abstract under which condition does the set of desirable uncertain prospects expand when wealth increases we show that the decreasing concavity dc of the utility function u is necessary and sufficient in the maxmin expected utility model in the smooth ambiguity aversion model with the ambiguity valuation function the dc of u and of u is necessary and sufficient an alternative classical definition of decreasing aversion is based on the hypothesis that the investment in a risky asset is increasing in wealth we show that this hypothesis does not hold in general under ambiguity aversion and that one needs to constrain the structure of ambiguity to obtain unambiguous results

the globalization of liberalization policy diffusion in the international political economy one of the most important developments over the past three decades has been the spread of liberal economic ideas and policies throughout the world these policies have affected the lives of millions of people yet our most sophisticated political economy models do not adequately capture influences on these policy choices evidence suggests that the adoption of liberal economic practices is highly clustered both temporally and spatially we hypothesize that this clustering might be due to processes of policy diffusion we think of diffusion as resulting from one of two broad sets of forces one in which mounting adoptions of a policy alter the benefits of adopting for others and another in which adoptions provide policy relevant information about the benefits of adopting we develop arguments within these broad classes of mechanisms construct appropriate measures of the relevant concepts and test their effects on liberalization and restriction of the current account the capital account and the exchange rate regime our findings suggest that domestic models of foreign economic policy making are insufficient the evidence shows that policy transitions are influenced by international economic competition as well as the policies of a country s sociocultural peers we interpret the latter influence as a form of channeled learning reflecting governments search for appropriate models for economic policy

misperceiving interactions among complements and substitutes organizational consequences systems composed of activity choices that interact in nonsimple ways can allow firms to create and sustain a competitive advantage however in complex systems decision makers may not always have a precise understanding of the exact strength of the interaction between activities likewise incentive and accounting systems may lead decision makers to ignore or misperceive interactions this paper studies formally the consequences of misperceiving interaction effects between activity choices our results suggest that misperceptions with respect to complements are more costly than with respect to substitutes as a result firms should optimally invest more to gather information about interactions among complementary activities e g concerning network effects than about interactions among substitute activities similarly the use of division based incentive schemes appears to be more advisable for divisions whose products are substitutes than for divisions that produce complements it is further shown that system fragility is not necessarily positively correlated with the strength ofthe interaction between choices while systems of complements become increasingly fragile as the strength of interaction increases systems of substitutes can become increasingly stable

the pareto principle of optimal inequality the pareto principle is often viewed as a mild requirement compatible with a variety of value judgements in particular it is generally thought that it can accommodate different views on the desirable degree of equality we show that this is generally not true in intertemporal models where some uncertainty prevails to do so we formalize the concept of inequality aversion we show that different degrees of inequality aversion are not possible in typical models of time consistent dynamic decision under uncertainty

keeping the keynesian faith this wide ranging discussion takes in the development of macroeconomics and the influence of ideas and events on that development the nature and causes of the great depression keynesianism lessons from the high inflation period of the 1970s the role of macroeconomic policy and the idea of the new economy

ambiguity aversion decreases the impact of partial insurance evidence from african farmers indemnifying smallholder farmers against crop loss is thought to play an important role in encouraging the adoption of new technologies and facilitating productivity growth but to be infeasible due to information problems consequently there is interest in developing alternative partial insurance products examples include rainfall insurance and the limited liability inherent in credit contracts i argue that although these products may reduce information asymmetry ambiguity averse farmers struggle to assess whether the contracts reduce risk this problem is most pronounced when the production technology is ambiguous as is likely the case for new technologies i formalize this argument and test the theory using data from two rcts conducted in malawi and kenya comparative statics from the theory are consistent with both sets of data and i argue that income losses from ambiguity aversion may be substantial

is deflation costly after all the perils of erroneous historical classifications i estimate average economic activity during periods of inflation and deflation while accounting for measurement errors in 19th century prices these measurement errors lead to underestimation overestimation of economic activity during periods of inflation deflation by exploiting multiple deflation indicators it is possible to recover the true relationship the shortfall of us industrial production growth during periods of deflation ranges from 4 5 pp to 7 6 pp instead of 2 pp i also find a negative relationship between deflation and real activity in the uk i then examine the cross country variation in the estimates for eleven countries the patterns are consistent with stronger biases for countries with more serious measurement errors in prices

quantitative assessment of tariff endogeneity abstract the paper provides a quantitative assessment of the tariff endogeneity hypothesis in the macro context for the interwar and postwar u s economy there is an almost unidirectional causality running from unemployment and trade deficit to the average tariff rate during the interwar period while more interactive relationships hold in the postwar period compared with the interwar era there is a decline in the dependence of tariff on unemployment and trade deficit but the individual effect of unemployment on tariff has increased and that of trade deficit has decreased furthermore unanticipated shocks exert smaller and less persistent effects of tariff

differences in relative prices and international differences in growth rates the new growth literature following paul m romer 1986 and robert e lucas jr 1988 has formulated models in which growth rates can differ systematically across countries a large empirical literature has used cross sectional techniques to examine the cause of international differences in growth rates this paper examines whether this work has used data which have been constructed in such a way as to introduce inadvertently a spurious correlation between growth and income levels this effect occurs because relative prices evolve because of different rates of technological progress in different industries many of the new growth models assume single goods or goods produced by the same technology so this phenomenon has so far escaped analysis if technological progress is more rapid in some sectors than others relative prices will change during the process of development the change of relative prices has two effects on measured growth rates first the choice of base prices affects the growth rate this phenomenon is sometimes called the gerschenkron effect second using any base prices or weights introduces a spurious correlation between income and growth less developed countries would tend to have lower growth rates not because they grew more slowly but because of data construction techniques for the sake of simplicity these phenomena will be called the gerschenkron or the level effect and the spurious correlation effect 3 this paper examines the international comparison program icp and the penn world tables pwt which are based on the icp the penn world tables are the data most widely used in empirical studies of international differences in economic growth both the icp and pwt use international prices to adjust for differences in the purchasing power of currencies these prices most closely resemble hungarian prices using such prices tends to produce time series with lower growth rates than those in the national accounts for countries less developed than hungary conversely the growth rates would be higher for countries more developed than hungary however the growth rates of poorer countries are not systematically lower in the penn world tables the paper examines why the growth rates are not distorted and makes some specific recommendations for data construction and use virginia polytechnic institute and state university blacksburg va 24061 0316 part of this work was supported by a grant from the institute of international studies at brown university and by a summer internship at the division of international finance at the federal reserve board i am grateful to peter garber david weil oded galor and anonymous referees for helpful comments alan heston and robert summers have also helped me understand icp and pwt methodology of course i alone am responsible for any mistakes in this paper iexamples include steve dowrick and duc tho nguyen 1989 robert j barro 1991 j bradford de long and lawrence h summers 1991 and n gregory mankiw et al 1992 2a series of papers by christina d romer 1986a b 1989 has already emphasized the importance of data construction techniques in another context 3there is a third effect a real acceleration effect caused by shifting consumption patterns and the reallocation of resources between sectors growth accountants such as angus maddison 1987 adjust estimates of total factor productivity for this sort of shift william j baumol et al 1989 have also referred to this phenomenon for an analysis in terms of a simple multisector solow model see nuxoll 1992a

financial development and the instability of open economies this paper introduces a framework for analyzing the role of financial factors as a source of instability in small open economies our basic model is a dynamic open economy model with a tradeable good produced with capital and a country specific factor we also assume that firms face credit constraints with the constraint being tighter at a lower level of financial development a basic implication of this model is that economies at an intermediate level of financial development are more unstable than either very developed or very underdeveloped economies this is true both in the sense that temporary shocks have large and persistent effects and also in the sense that these economies can exhibit cycles thus countries that are going through a phase of financial development may become more unstable in the short run similarly full capital account liberalization may destabilize the economy in economies at an intermediate level of financial development phases of growth with capital inflows are followed by collapse with capital outflows on the other hand foreign direct investment does not destabilize

reputation in a model of monetary policy with incomplete information abstract previous models of rules versus discretion are extended to include uncertainty about the policymaker s type when people observe low inflation they raise the possibility that the policymaker is committed to low inflation type 1 this enhancement of reputation gives the uncommitted policymaker type 2 an incentive to masquerade as the committed type in the equilibrium the policymaker of type 1 delivers surprisingly low inflation with corresponding costs to the economy over an extended interval the type 2 person mimics this outcome for awhile but shifts eventually to high inflation this high inflation is surprising initially but subsequently becomes anticipated

risk aversion and the choice between risky prospects the preservation of comparative statics results most results in what can be termed the comparative statics of risk aversion are obtained when there is only one source of uncertainty the primary example which originally motivated the definition of risk aversion is that more risk averse people are willing to pay a higher premium for insuring against risk it is known that the results do not generally carry over when there is another source of uncertainty the paper develops conditions under which comparative statics results are robust against the introduction of additional sources of uncertainty

price flexibility and aggregate stability new evidence and implications i introduction is increased price flexibility stabilizing the importance of this question can be easily established by observing the number of recently published papers in which this question or a slight modification of it has appeared in their titles 1 while most economists would answer this question affirmatively a strand of macroeconomic thought that questions the wisdom of too much price flexibility has recently regained some attention 2 in the most widely discussed of this recent literature delong and summers 1986b question the wisdom of too much price flexibility their work was motivated by some of the ideas expressed by keynes 1936 and formally articulated by james tobin 1975 low prices work to move the economy to full employment but falling prices to the extent that they lead to expectations of deflation raise the real interest rate through the mundell effect and move the economy away from full employment in a version of taylor s 1979 wage setting model delong and summers show that instability is likely to occur if expectations of inflation adjust rapidly to actual inflation and the real interest rate effect is large this view presents a direct challenge to mainstream keynesian models of business cycles 3 according to these models sluggish wages and prices are generally the culprits of unemployment and business fluctuations an exogenous institutional increase in the degree of price inflexibility increases the size of quantities adjustment in response to aggregate demand shocks in the current period and over time the assumption of exogeneity is consistent with the view that wage and price rigidity are the result of an institutional structure that is relatively unresponsive to changes in the underlying economic conditions in gray and kandil 1991 we find this view unappealing considering recent efforts to rationalize nominal rigidities as the outcome of explicit optimization exercises 4 it is for this reason that we examine the relationship between price flexibility and output variability in a framework in which both are endogenously determined in the model we develop price rigidity is attributed to the length of contractual wage agreements an increase in contract length will occur if the costs of negotiating contracts rise or the amount of uncertainty impinging on the economy declines in the first case declines in wage and price flexibility will be accompanied by decreased stability of output in the latter case the opposite will occur the reduction in the size of stochastic disturbances impinging on the economic system has a direct stabilizing impact on real output concurrently the reduction in the degree of uncertainty increases agents incentives to write longer contracts the increased rigidity is destabilizing this destabilizing impact is dominated however by the direct stabilizing impact the implications of the alternative views can be contrasted in many respects in kandil 1991b i test the relation between measures of wage and price flexibility and the size of macroeconomic fluctuations across a group of ten major industrial countries the analysis of this paper extends this research in several directions first the analysis provides a formal illustration of the channels through which price flexibility may differentiate the real effects of specific shocks underlying aggregate demand and in turn aggregate variability the framework approximates the key relationships for the theoretical debate under consideration these relationships are replicated empirically to establish the validity of the hypotheses that differentiate the alternative views second the analysis provides a more formal attempt towards quantifying the structural shocks underlying aggregate demand these shocks are the driving forces of economic instability and in turn they are crucial to the debate on the stabilizing effects of price flexibility

historical perspectives and the interpretation of unemployment jn the last decade the levels of unemployment in industrialized countries have risen dramatically rates now are typically two and in some cases three and four times those prevailing in the 1950s and 1960s the fact that these new higher levels are widely tolerated suggests that our thinking about the meaning and significance of unemployment has changed enormously over the period such a change is certainly present in the thinking among professional economists in the 1960s the standard view was that the unemployed represented unutilized resources their existence in an economy where the vast majority of people had unsatisifed wants was seen as a major social paradox and the most important unsolved intellectual puzzle of the capitalist economic system this fed the rationale for keynesian countercyclical fiscal policy and government deficit spending the government could reasonably print money in order to hire the unemployed because the resources absorbed in the process were essentially free goods today a good number of professional economists certainly in the united states but to a lesser extent throughout the world have come to view measured unemployment in industrial economies as an artifact in at least three senses it is a statistical artifact of a measurement process that classifies as unemployed people who are not really available for work it is an institutional artifact of a system of social insurance and public welfare that encourages an extension of the process of job search and it is an artifact of the language that uses a term which in everyday parlance means forced idleness for activities that have important productive functions akin to the functions of inventories information processing and investment associated with the utilization of capital goods these interpretations to be sure hardly constitute a consensus about the meaning of unemployment but they are no more diverse than the range of views that underlay the older orthodoxy and for policy makers and economic researchers they carry a single message there are many more serious problems toward which to direct attention these new views about unemployment were developed out of a set of ideas originally associated with the chicago school of economics where the emphasis at once positive and normative was placed on the competitive market as the gover a review of alexander keyssar out of work the first century of unemployment in massachusetts cambridge cambridge university press 1986 and robert salais nicolas baverez and b6nedicte reynaud l invention du chomage histoire et transformations d une categorie en france des annees 1890 aux annees 1980 paris presses universitaires de france 1986

economic growth and liquidation of natural capital the case of forest clearance the importance of natural capital to economic systems is increasingly recognized previous empirical models of economic growth rates however have emphasized accumulation of physical and human capital this paper shows that the economic growth of over 70 countries has been positively affected by liquidation of one aspect of natural capital forests while controlling for factors typically associated with national growth rates the positive association was robust to additions of various covariates such as forest exports level of economic development agricultural area and geographical position these results suggest that conversion of forests has partially fuelled the economic expansion of countries

does risk sharing increase with risk aversion and risk when commitment is limited i consider a risk sharing game with limited commitment and study how the discount factor above which perfect risk sharing is self enforcing in the long run depends on agents risk aversion and the riskiness of their endowment when agents face no aggregate risk a mean preserving spread may destroy the sustainability of perfect risk sharing if each agent s endowment may take more than three values with aggregate risk the same can happen with only two possible endowment realizations with respect to risk aversion the intuitive comparative statics result holds without aggregate risk but it holds only under strong assumptions in the presence of aggregate risk in simple settings with two endowment values i also show that the threshold discount factor co moves with popular measures of risk sharing

some stronger measures of risk aversion in the small and the large with applications the arrow pratt measures of risk aversion for von neumann morgenstern utility functions have become workhorses for analyzing problems in the microeconomics of uncertainty they have been used to characterize the qualitative properties of demand in insurance and asset markets to examine the properties of risk taking in taxation models and to study the interaction between risk and life cycle savings problems to name just a few applications equally importantly they have generated the linear risk tolerance class of utility functions which has provided canonical examples in such diverse areas as portfolio theory and the theory of teams despite these successes there have been a number of areas for which the results have been weaker than hoped it is natural to use the risk aversion measures to compare the behavior of individuals in risky choice situations for example consider the individual portfolio choice problem in a two asset world with a riskless asset and a risky asset if individual a has a uniformly higher arrow pratt coefficient of risk aversion than individual b then b will always choose a portfolio combination with more wealth invested in the risky asset but suppose that both assets are risky now there is no obvious sense in which the more risk averse individual can be said to hold a less risky portfolio but it seems strange that such a simple alteration should destroy the analytics which support the basic intuition similarly consider the basic insurance problem if one individual a is more risk averse than another b in the arrow pratt sense it follows that a will pay a larger premium to insure against a random loss than will b typically though an individual evaluates partial rather than total insurance that is only some gambles can be insured against and others must be retained in this case even when the gambles which are retained are independent from those which are insured it is no longer true that the individual whose arrow pratt measure of risk aversion is higher will pay a larger insurance premium the situation is no better when we consider comparative statics exercises for a single individual decreasing absolute risk aversion in the sense of arrow and

trade openness and economic growth a cross country empirical investigation abstract this paper demonstrates that trade liberalization does not have a simple and straightforward relationship with growth using a large number of openness measures for a cross section of countries over the last three decades we use two groups of trade openness measures the regression results for numerous trade intensity ratios are mostly consistent with the existing literature however contrary to the conventional view on the growth effects of trade barriers our estimation results show that trade barriers are positively and in most specifications significantly associated with growth especially for developing countries and they are consistent with the findings of theoretical growth and development literature

paths to success the relationship between human development and economic growth summary this paper explores the two way relationship between economic growth eg and human development hd we develop panel data strategies to estimate the strength of these relationships and find that hd plays an essential role in determining growth trajectories our measure of sustained growth not only is hd a final product in the sense that it measures basic human well being but it is also a critical input into eg our findings illustrate the empirical relevance of endogenous growth and are consistent with threshold effect models our results imply that successful policy requires an early focus on hd not only because of its direct impact but also because of its feedback effect on sustaining eg

politics and productivity i introduction economic studies of long run performance are focusing increasingly on political legal financial and social factors development is no longer regarded as a gradual inevitable transformation from self sufficiency to specialization and participation in the division of labor instead progress follows the creation and evolution of institutions that support social and commercial relationships the new institutional economics explains that growth requires that the potential hazards of trade shirking opportunism risk and so on be controlled by institutions like secure property rights reliable procedures for resolving disputes and means of enforcing contracts in the absence of close social ties these institutions reduce information costs encourage capital formation and capital mobility allow risks to be priced and shared and otherwise facilitate cooperation north and thomas 1973 north 1990 drobak and nye 1997 levine 1997 in particular political authorities must make credible commitments not to expropriate private resources once investments have been made 1 despite widespread agreement that institutions matter there is no consensus on how they should be incorporated into the analysis even the best empirical studies of productivity and growth treat institutional characteristics in an eclectic way barro s 1991 influential article for example uses the numbers of assassinations and revolutions per capita as proxies for political instability finding these measures negatively correlated with growth and investment scully 1988 regresses growth rates on dummy variables derived from gastil s 1982 ordinal rankings of political and economic liberty king and levine 1993a 1993b 1993c derive various measures of the quality of financial intermediaries and show that these measures are good predictors of growth this article presents a different approach to analyzing the relationship between institutions and aggregate economic performance following the modem productivity literature see for example fried et al 1993 we model economic performance with a stochastic production frontier frontier analysis is a form of benchmarking it analyzes a group of branches firms nations or other units by identifying best practices and evaluating each member s performance relative to the best practice frontier the results produce not only qualitative rankings of the group members but also numerical efficiency scores that can be used to assess the effects of various policies and characteristics for this reason frontier analysis is well suited for studying the effects of legal and political institutions on the economic performance of nations to capture institutional factors we use two comprehensive indexes of legal regulatory and political conditions working with a broad sample of countries from 1975 to 1990 we incorporate a widely used measure of economic freedom along with a new measure of policy stability to represent a country s institutional environment the new institutional economics suggests that countries with high levels of economic freedom protection of private property rights respect for the rule of law an unhampered price system and so on and policy stability commitment not to change the rules of the game ex post will be closer to the best practice frontier in our model economic freedom and policy stability affect economic performance by enhancing technical efficiency in other words these institutions do not alter the state of technology but they allow producers to squeeze more out of current technology for instance countries with more stable policies attract more foreign investment than countries with less stable policies ceteris paribus this leads to increased competition among producers which in turn brings efficiency gains similarly countries with lower taxes milder regulatory burdens lower inflation fewer restrictions on foreign ownership and so on are likely to produce output more efficiently than countries with policies that restrict production inhibit capital formation and reduce competition

monotone comparative statics under uncertainty this paper analyzes monotone comparative statics predictions in several classes of stochastic optimization problems the main results characterize necessary and sufficient conditions for comparative statics predictions to hold based on properties of primitive functions that is utility functions and probability distributions the results apply when the primitives satisfy one of the following two properties i a single crossing property which arises in applications such as portfolio investment problems and auctions or ii log supermodularity which arises in the analysis of demand functions affiliated random variables stochastic orders and orders over risk aversion

global income distribution from the fall of the berlin wall to the great recession we present an improved panel database of national household surveys between 1988 and 2008 in 2008 the global gini index is around 70 5 having declined by approximately 2 gini points china graduated from the bottom ranks changing a twin peaked global income distribution to a single peaked one and creating an important global median class 90 of the fastest growing country deciles are from asia while almost 90 of the worst performers are from mature economies another winner was the global top 1 hence the global growth incidence curve has a distinct supine s shape with gains highest around the median and top

choosing between risky prospects the characterization of comparative statics results and location independent risk we consider expected utility maximizers choosing from a family of risky prospects and examine how choice is influenced by the decision makers attitude to risk if the family of risky prospects can be ordered so that as decision makers are more risk tolerant they choose a gamble higher in the ordering then it is natural to say that the family of risky prospects admit a comparative static result the paper characterizes when comparative static results of this sort exist an application is to propose a criterion of location independent riskiness

fiscal decentralization and economic growth in the oecd what impact if any does fiscal decentralization fd have on economic growth further investigations of the inter relationships between fd and economic growth are timely given that government decentralization remains at the forefront of many organization for economic cooperation and development oecd policy agendas this study incorporates a range of measures of fd to better account for the direct impact of different levels of subnational fiscal autonomy on economic growth the analysis also considers the impact of previously omitted public sector decentralization variables that provide further indication of the extent to which subnational governments sng are closer to the people and potentially better able to account for local preferences in fiscal decision making whilst little evidence of a direct relationship between fd and output growth is found some evidence is found to suggest that federal systems tend to have lower growth rates than do unitary states independent of their degree of decentr

controls on capital inflows do they work abstract this paper analyzes the effectiveness of controls on capital inflows in particular we analyze in great detail the chilean experience with the use of the unremunerated reserve requirement we examine the effects of the controls applied in chile in 1991 1998 on interest rates real exchange rate and the volume and composition of capital inflows the effects are elusive and it is difficult to pin down long run effects although after the unremunerated reserve requirement was introduced there was an increase in the interest rate differential the econometric evidence does not show it has a significant long run effect also we detect very small effects on the real exchange rate however the more persistent and significant effect is on the composition of capital inflows tilting composition toward longer maturity

the phillips curve the persistence of inflation and the lucas critique evidence from exchange rate regimes comment we present evidence from the united states and the united kingdom that the persistence of price inflation is significantly higher under managed exchange rate regimes than under gold based fixed exchange rate regimes these differences are also reflected in expectations augmented phillips curves we use a two country macro model with forward looking price setters to demonstrate that higher monetary accommodation of inflation and exchange rate accommodation of inflation differentials increase inflation persistence the evidence does not contradict this hypothesis it supports the hypothesis of forward looking price setters and highlights the empirical significance of the lucas critique jel e31 e42 f33

tests for the role of risk aversion on input use for risk averting agents risks alter production decisions while the existence of institutions to insure against adverse states of nature will likely restore decisions toward levels under risk neutrality in this article conditions are identified on a stochastic technology to test h that risk averters choose smaller input levels than risk neutral agents and h that an increase in risk aversion reduces input use a robust statistical method to test for dominance is adapted to stochastic production relations it is found that h is likely true for nitrogen application on iowa corn weaker evidence is found in favor of h

effect of the number of banking relationships on credit availability evidence from panel data of spanish small firms this paper investigates how the choice between single or multiple banking relationships affects credit availability for a complete panel of small and medium sized spanish firms the results seem to indicate the existence of rationing since a substitution relation has been found between trade and bank credit we also analyse the relationship between the level of indebtedness and the interest rate for each group of firms the results show that those smes that work with fewer financial intermediaries obtain fewer funds for the same increase in the interest rate which indicates that these companies have more financial restraints

capital account liberalization as a signal the authors present a model in which a government s current capital control policy signals future policies controls on capital outflows evolve in response to news on technology conditional on government attitudes toward taxation of capital when there is uncertainty over governmental types a policy of liberal capital outflows sends a favorable signal that may trigger a capital inflow this prediction is consistent with the experience of several countries that have liberalized their capital accounts copyright 1997 by american economic association