the inflation tax in a real business cycle model money is incorporated into a real business cycle model using a cash in advance constraint the model economy is used to analyze whether the business cycle is different in high inflation and low inflation economies and to analyze the impact of variability in the growth rate of money in addition the welfare cost of the inflation tax is measured and the steady state properties of high and low inflation economies are compared

long term growth and short term economic instability when learning by doing is at the origin of growth the long run growth rate should be negatively related to the amplitude of the business cycle if human capital accumulation is increasing and concave in the cyclical component of production empirical evidence strongly supports this nding for industrialized countries and european regions using the standard control variables we nd that countries and regions that have a higher standard deviation of growth and of unemployment have lower growth rates the result does not come from an e ect of instability on investment the negative relation however does not hold for non industrialized countries for which learning by doing may not to be the main engine of growth 2000 elsevier science b v all rights reserved jel classixcation o40 e32

cyclical and causal relations between real wages and employment in the eu this paper analyses and compares the joint behaviour of real wages and employment over the business cycle in the european union eu economies using both annual and quarterly data since 1960 further investigation of the cointegrating properties and the existence of causal effects in the real wage employment relation is undertaken by employing appropriate var models the evidence suggests weak procyclical or acyclic behaviour of real wages relative to cyclical employment in the quarterly data and stronger procyclicality in the annual data thus confirming the dunlop tarshis result for the majority of the eu economies with a few exceptions no cointegrating relations were detected while the granger causality tests suggest either weak or lack of unidirectional causality finally the sensitivity analysis showed that the filtering method has not much influence on the results but the choice of deflator may overturn them in certain cases

institutional development and bank stability evidence from transition countries g21 p30 p34 p52 abstract this paper takes advantage of the dynamic nature of institutional reforms in transition economies and explores the causal effects of those reforms on bank risk using a difference in difference approach we show that banks financial stability increases substantially after these countries reform their legal insti tutions liberalize banking and restructure corporate governance we also find that the effects of legal and governance reforms on bank risk may critically depend on the progress of banking reforms a further examination of alternative risk measures reveals that the increases in financial stability among banks mainly come from the reduction of asset risk banks tend to have lower roa volatility and fewer nonper forming loans after reforming the institutional environment finally we split our sample into foreign and domestic banks and find that the enhancement of financial stability is more pronounced for domestic banks

the effect of inflation targeting on the behavior of expected inflation evidence from an 11 country panel abstract inflation targets were introduced in the 1990s in australia canada new zealand sweden and the united kingdom change in the behavior of expected inflation in the five targeting countries is measured in a panel that includes six non targeting countries france germany italy the netherlands japan and the united states the level of expected inflation in targeting countries falls after the announcement of targets with controls for country effects year effects ongoing inflation reduction and the business cycle neither the variability of expected inflation nor the average absolute forecast error falls after the announcement of targets with controls for the level and variability of past inflation both targeting and non targeting countries experience unexpected disinflation

the cyclical behavior of prices abstract the procyclical behavior of prices has been a staple of business cycle lore since the work of the early nber business cycle researchers this paper reexamines that empirical fact the aggregate data do not support procyclical price movements as a stable feature of the business cycle the only episode where it is a robust feature of the data is the period between the two world wars particularly the period of the great depression

inflation and welfare in a monetary economy it is in everyone s private interest to try to get someone else to hold non interest bearing cash and reserves but someone has to hold it all so these efforts must simply cancel out all of us spend several hours per year in this effort and employ thousands of talented and highly trained people to help us these person hours are simply thrown away wasted on a task that should not have to be performed at all

real business cycles and labor markets with imperfectly flexible wages abstract one of the principal criticisms of real business cycle models is that the assumptions made about labor markets do not accord with the actual structure of these markets this paper replaces the standard spot labor market with a market characterized by imperfectly flexible wages which corresponds to impressions of contractual labor relations it is found that the behavior of the model in terms of the predicted variances and correlations is similar to that of the standard real business cycle model but that the variability of hours worked and the correlation of hours worked with wages will depend on the structure of the labor market

efficiency wages and the business cycle puzzle abstract the main thrust of this work is to open the real business cycle rbc methodology to non walrasian considerations and reciprocally to submit some non walrasian models to the discipline of the rbc approach in doing so we provide a first rbc model with involuntary unemployment and a suboptimal equilibrium path we also demonstrate the promise and difficulty of resolving the business cycle puzzle by appealing to quantity rationing in the labor market

economic fluctuations in central and eastern europe the facts this article provides a detailed empirical analysis of quarterly frequency dynamics in macroeconomic aggregates in 12 countries of central and eastern europe cee it shows that business fluctuations in cee countries are in general more pronounced than in developed ones and are of similar size as in other emerging market economies private consumption is particularly volatile relative to major developed economies government spending is dominantly procyclical and net exports are strongly countercyclical the most frequent country outliers are the high inflation countries of bulgaria romania and russia especially in labour market price and exchange rate variables excluding these countries from the sample makes many of the observed patterns in cyclical dynamics more homogenous and broadly similar to ones established in developed economies

government size and macroeconomic stability abstract we analyze the effects of government size on output variability in the context of a rbc model in which government size is parameterized by the income tax rate and the share of government purchases in output the model implies that i income taxes are destabilizing and ii for most specifications considered government purchases are stabilizing we compare those predictions with the results of simple cross country regressions using data for 22 oecd countries the estimated relationship between empirical indicators of government size and measures of gdp variability appears far stronger than the model predicts and often has the opposite sign

the econometrics of the general equilibrium approach to business cycles early in this century american institutionists and members of the german historical school attacked and rightfully so neoclassical economic theory for not being quantitative this deficiency bothered ragnar frisch and motivated him along with irving fisher joseph schumpeter and others to organize the econometric society in 1930 the aim of the society was to foster the development of quantitative economic theory that is the development of what frisch labeled econometrics soon after its inception the society started the journal econometrica frisch was the journal s first editor and served in this capacity for twenty five years

size and performance of banking firms testing the predictions of theory abstract in recent years two important literatures on the theory of banking firms have developed one examines the economic functions of banks in environments in which agents are asymmetrically informed another considers the incentive effects moral hazard resulting from deposit insurance both theories make predictions about the relation between banking firm size and performance an empirical analysis of large bank holding companies investigates measures of market valuation and risk of failure limited support is provided for either set of theoretical predictions

international business cycles in theory and in practice this paper investigates whether multi country international business models can account for international comovements in the oecd there are substantial positive comovements between many output components between levels of employment and between total factor productivities the standard international business cycle model is not consistent with these comovements except for consumption levels the model implies either negative or very low comovements this is a robust feature of the theoretical models independently of specific parameter values one interesting finding is that a more general specification of the technology shock processes lead to substantial comovements but at the cost of another deficiency

risk sharing in the business cycle why do all developed economies experience fluctuations in their economic activity the real business cycle rbc literature has provided an answer to this question by demonstrating that a well functioning decentralized model economy subject to exogeneous productivity shocks will behave in a way similar in many respects to the business fluctuations experienced by actual economies kyland and prescott 1982 this is particularly true if one imposes restrictions on the choice set of the representative consumer worker hansen 1985 taking account of demand shocks in the form of variations in government spending further improves the performance of the model christian0 and eichenbaum 1990 should we be content with this answer first we must observe that the set of facts current rbc models are able to replicate is very limited and thus that claims of theoretical success should be proportionately modest danthine and donaldson 1990 second at this level of explanation it is quite likely that the same modest set of facts currently used to define the business cycle will be consistent with models of the economy which are significantly different from the pure walrasian formulations which have predominated to date it is this latter issue tihich we propose to address in this paper our starting point is the observation that all industrial economies have developed institutional and social arrangements designed to improve the distribution of income and risks over what would prevail in walrasian equilibrium trade unions minimum wage laws and unemployment compensation mechanisms are examples of such arrangements and they could be all interpreted as having the objective either of moving the economy away from

current real business cycle theories and aggregate labor market fluctuations hours worked and the return to working are weakly correlated traditionally the ability to account for this fact has been a litmus test for macroeconomic models existing real business cycle models fail this test dramatically we modify prototypical real business cycle models by allowing government consumption shocks to influence labor market dynamics this modification can in principle bring the models into closer conformity with the data our empirical results indicate that it does

aggregate inventory behavior in large european economies abstract inventory fluctuations are known to be an important propagation mechanism for u s business cycles this paper compares the significance of inventory fluctuations in the u s with four other major industrial economies in europe a general model of aggregate inventory demand is specified which seeks to encompass the models presented in recent studies of inventory behavior this model is estimated for the large european economies united kingdom west germany france and italy the preferred models that result from this analysis are compared with the empirical evidence for the u s

business cycles in switzerland a comparative study abstract the goal of this paper is to provide an empirical description of business cycles in switzerland and a comparison with business cycles in other countries we adopt a view of business cycles as a set of regularities in the movements and the co movements of economic aggregates common to all decentralized economies lucas 1977 and test whether switzerland conforms to this view in order to identify the appropriate cyclical series we follow a procedure proposed by hodrick and prescott 1980 we then compute correlations of various types we test their stability through time and compare with corresponding estimates for the u s france germany and the u k

inflation targeting does not matter another look at oecd sacrifice ratios recently in this journal goncalves and carvalho 2009 concluded that inflation targeters were able to bring inflation down at less cost than nontargeters p 242 this comment shows that their conclusion is not robust but instead is the result of comparing a particular subset of inflation targeting it disinflations with nonsimultaneous disinflations that occurred under very different macroeconomic conditions in their sample simple extensions such as justifiably varying the treatment group of it disinflations to control for common time varying effects or to control for the maastricht treaty effects suggest that it does not matter

an intertemporal general equilibrium model of asset prices this paper develops a continuous time general equilibrium model of a simple but complete economy and uses it to examine the behavior of asset prices in this model asset prices and their stochastic properties are determined endogenously one principal result is a partial differential equation which asset prices must satisfy the solution of this equation gives the equilibrium price of any asset in terms of the underlying real variables in the economy in this paper we develop a general equilibrium asset pricing model for use in applied research an important feature of the model is its integration of real and financial markets among other things the model endogenously determines the stochastic process followed by the equilibrium price of any financial asset and shows how this process depends on the underlying real variables the model is fully consistent with rational expectations and maximizing behavior on the part of all agents our framework is general enough to include many of the fundamental forces affecting asset markets yet it is tractable enough to be specialized easily to produce specific testable results furthermore the model can be extended in a number of straightforward ways consequently it is well suited to a wide variety of applications for example in a companion paper cox ingersoll and ross 7 we use the model to develop a theory of the term structure of interest rates many studies have been concerned with various aspects of asset pricing under uncertainty the most relevant to our work are the important papers on intertemporal asset pricing by merton 19 and lucas 16 working in a continuous time framework merton derives a relationship among the equilibrium expected rates of return on assets he shows that when investment opportunities are changing randomly over time this relationship will include effects which have no analogue in a static one period model lucas considers an economy with homogeneous individuals and a single consumption good which is produced by a number of processes the random output of these processes is exogenously determined and perishable assets are defined as claims to all or a part of the output of a process and the equilibrium determines the asset prices our theory draws on some elements of both of these papers like merton we formulate our model in continuous time and make full use of the analytical tractability that this affords the economic structure of our model is somewhat similar to that of lucas however we include both endogenous production and

indivisible labor lotteries and equilibrium abstract this paper considers an economy where labor is indivisible and agents are identical although the discontinuity in labor supply at the individual level disappears as a result of aggregation it is shown that indivisible labor has strong consequences for the aggregate bahavior of the economy it is also shown that optimal allocations involve lotteries over employment and consumption

real business cycle theory wisdom or whimsy abstract this paper assesses the empirical plausibility of the view that aggregate productivity stocks account for most of the variability in post world war ii us output we argue that the type of evidence forwarded by proponents of this proposition is too fragile to be believable the answer could be 70 as kydland and prescott 1989 claim but the data contain almost no evidence against either the view that the answer is really 5 or that the answer is really 200 moreover point estimates of the importance of technology shocks are extremely sensitive to small perturbations in the theory depending on the sample period investigated allowing for labor hoarding behavior in an otherwise standard rbc model reduces the ability of technology shocks to account for aggregate fluctuations by between 30 to 60

misperception driven chaos theory and policy implications abstract in a large economy it is extremely difficult if not impossible to immediately grasp the state of our surrounding environment with precision since we normally have access only to a subset of relevant information in this paper we introduce this information imperfection into an ordinary model of endogenous business cycles and examine how it would affect the dynamic nature of the model we in particular present a mechanism by which observation errors result in chaotic fluctuations in a model that would behave regularly otherwise thereby indicating the importance of potential misperception about the current state in a qualitative sense also our model is tractable enough to explicitly derive a policy index of chaotic fluctuations under some conditions this feature of the model allows us to draw some policy implications regarding the observability of macroeconomic state variables

on the fluctuations in consumption and market returns in the presence of labor and human capital an equilibrium analysis abstract we examine the effects of human capital on consumption stock market and other fluctuations in a general equilibrium continuous time model a representative consumer worker investor derives utility from consumption and leisure a representative firm demands labor as the sole input to a stochastic production technology driven by general possibly nonmultiplicative shocks for cobb douglas utility and multiplicative shocks labor is nonstochastic and consumption and stock market volatility are equated as under no human capital deviations from this are analyzed for logarithmic utility and constant elasticity of substitution production technology cases are identified where the presence of labor causes consumption to be smoother than the stock market

the equity premium and the allocation of income risk abstract this paper examines the extent to which the equity premium puzzle can be resolved by taking account of the fact that stockholders bear a disproportionate share of output uncertainty we do this in the context of a non walrasian rbc model where risk reallocation is justified by borrowing restrictions the risk shifting mechanism we propose has the same effect as would arise from an increase in the risk aversion parameter of the representative agent and thus contributes to a rise in the equity premium as with more standard rbc models it remains that our model is unable to replicate key financial statistics in particular the observation that the equity return is more variable than national product cannot be accounted for under standard technology assumptions

productivity shocks in a sectoral real business cycle model for west germany abstract if aggregate output is driven by integrated productivity shocks then sectoral output series should display few if any cointegrating relationships similarly serial correlation cofeature should be a rare occurrence these conjectures are confirmed in an analysis with west german data however productivity shocks identified and tested in an extended version of the long and plosser real business cycle model do not contain enough unit roots to account for those found in the output series hence productivity shocks can at best provide a partial explanation for aggregate output fluctuations

the meaning of internal balance thirty years on in his nobel prize lecture meade advocated allocating demand management policies to pursuing price stability reformed wage fixing institutions to achieving full employment and foreign exchange policies to maintaining balance of payments equilibrium but with respect to the first he advocated a target for nominal income rather than the price level i evaluate meade s programme with the benefit of hindsight and in the light of experience with inflation targets i also discuss some of the issues associated with the application of flexible inflation targets as well as the extent to which financial stability considerations should affect the conduct of monetary policy

tax analysis in a real business cycle model on measuring harberger triangles and okun gaps abstract a tax distorted real business cycle model is parameterized calibrated and solved numerically in an attempt to measure the size of harberger triangles relative to okun gaps in particular the model constructed is used to study quantitatively the impact of various distortional government tax and subsidy schemes it is shown that the government can use tax policy to stabilize cyclical fluctuations and this is done for the economy being studied the benefits of implementing such a stabilization policy are calculated and compared with the size of the welfare gains realized from reducing various tax distortions

inventory fluctuations in a disequilibrium macro model as fig i shows this pattern continues to hold with remarkable fidelity over the postwar period as well notice that stock levels tend to peak during recessions shaded areas and to trough shortly after recessions while the stock sales ratio tends to peak during the latter part of recessions and to trough during expansions given the huge role played by stocks in business fluctuations 1 it is surprising that so little theoretical attention is directed toward improving our understanding of the timing of stock and stock sales ratio movements 2 the purpose of this paper is to offer a theoretical model which is consistent with the observed cyclical behaviour of stocks and the stock sales ratio the present model has firms forming sales expectations and then producing enough output if possible to cover the expected sales and to maintain a given stock expected sales ratio trade takes place out of equilibrium and inaccurate sales expectations or capacity constraints give rise to involuntary stock changes we find that stock holding may or may not be destabilising if stocks are not destabilising the familiar keynesian multiplier will obtain though the path of output after a shock will differ from the keynesian path if stocks are destabilising the system is found to enter a cycle with stocks and output ultimately rising and falling in a pattern much like that observed in actual cycles

asset returns with transactions costs and uninsured individual risk abstract we explore whether incorporating an explicit motive for holding liquid assets within an equilibrium asset pricing model helps explain the following features of asset returns and turnover in the post war u s economy i the low risk free real interest rate ii the large spread between returns on liquid assets and stocks and iii the greater transaction velocity of liquid assets relative to stocks we introduce a demand for liquid assets by adding uninsured individual risk together with differential costs of trading securities numerical simulations attempting to match the return data generate a ratio of liquid assets to income considerably below observed levels

the legal environment banks and long run economic growth this paper examines the relationship between the legal system and banlding development and traces this connection through to long run rates of per capita gdp growth capital stock growth and productivity growth the data indicate that countries where the legal system 1 emphasizes creditor rights and 2 rigorously enforces contracts have better developed banks than countries where laws do not give a high priority to creditors and where enforcement is lax furtherrnore the exogenous component of banking development the component defined by the legal environment is positively and robustly associated with per capita growth physical capital accumulation and productivity growth this paper addresses two questions first do crosscountry differences in the legal rights of creditors the efficiency of contract enforcement and the origin of the legal system explain cross country differences in the level of banking development second do better developed banks cause faster economic development that is is the component of banking development defined by the legal environment positively associated with long run rates of economic growth capital accumulation and productivity growth examining the relationship between the legal system and banking development is valuable irrespective of issues associated with long run growth first banks may influence the level of income per capita and the magnitude of cyclical fluctuations bernanke and gertler 1989 1990 second many economists stress that understanding the evolution of legal and financial systems is essential for understanding economic development north 1981 engerman and sokoloff 1996 consequently quantitative information on the relationship between the legal environment and banks will improve our understanding of business cycles and the process of economic development furthermore examining the causal links between banks and economic growth has both conceptual and policy implications on the conceptual front a long literature debates the importance of banks in economic development starting as early as bagehot 1873 economists have argued that better banks banks that are better at identifying creditworthy firms mobilizing savings pooling risks and facilitating transactions

the output employment and interest rate effects of government consumption abstract we study the impact on aggregate variables of changes in government consumption using the neoclassical stochastic growth model we show theoretically that the impact on output and employment of a persistent change in government consumption exceeds that of a temporary change we also show that in principle there can be an analog to the keynesian multiplier in the neoclassical growth model finally in an empirically plausible version of the model we show that the interest rate impact of a persistent government consumption shock exceeds that of a temporary one our results provide counterexamples to existing claims in the literature

inflation targeting is it to blame for banking system instability abstract in light of the financial crisis the practice of inflation targeting it has been blamed for authorities failure to respond to the increase in financial systemic risk and to the development of asset bubbles however utilizing a rich database containing nearly 5500 commercial banks from 70 countries among which 22 are it for the period 1998 2012 this paper argues that on average inflation targeting national banking systems i are more stable ii possess sounder systemically important banks and iii are less distressed than or at least as distressed as other banks during periods of global liquidity shortages our results are robust to a series of tests such as when we compare countries with the same legal origins or control for the delegation of bank supervision responsibility to bodies other than the central bank overall we conclude that it cannot be blamed for contributing to financial fragility

comparisons of business cycles in the ec idiosyncracies and regularities annual data since 1960 and the real business cycle model as a guidance the evidence suggests that there are remarkable similarities between the business cycle pattern of these countries despite significant differences in the patterns of fiscal and monetary policies and the terms of trade we take this evidence to suggest that the type of shocks and the propagation mechanism is fairly similar across the ec countries hence the process of european integration under a set of uniform institutions and policies should not be a problem as far as the business cycle is concerned

production growth and business cycles ii new directions abstract this paper outlines new directions for investigations of real business cycle models consideration of stochastic growth of exogenous and endogenous forms analysis of suboptimal outcomes arising due to externalities of distorting taxes and implications of labor market heterogeneity

realistic cross country consumption correlations in a two country equilibrium business cycle model abstract a well known feature of one good multi agent arrow debreu economies with edentical additively separable homothetic preferences is that the consumptions of all agents are perfectly correlated such economies are widely used in interpreting business cycles but seem to be inconsistent with observed cross country correlations of aggregate consumption this paper provides an example of a two country real business cycle model in which preferences are not separable between consumption and labor supply the model has a simple closed form solution closed form solution and allows for fluctuations in labor supply in equilibrium moreover it generates correlations between national consumption rates which are close to some of those observed in historical data jel f41

methodological and empirical issues in real business cycle theory abstract in this paper we argue that the major impact of the rbc literature has been to propose a new methodology for macroeconomics this methodology is distinguished first by the importance it attributes to the empirical description of the phenomena to be explained and second by the use of this description in conjunction with quantitative theorizing i e the construction of computable general equilibrium models whose characteristic statistics match those of the data in accordance with this approach we first report on the current state of knowledge concerning business cycle regularities and conclude that additional empirical effort is called for in order to arrive at the appropriate basis for theorizing we then examine the performance of existing models and evaluate the case for integrating monetary factors and demand shocks into them lastly we review the recent efforts to explain the employment variability puzzle and argue that the search for a solution naturally leads to the incorporation of significant non walrasian features into the rbc framework

estimating parameters of real business cycle models abstract the calibration technique is the most common procedure to match the data generated from an equilibrium business cycle model with actual macroeconomic time series this paper goes a step further and tests and applies a maximum likelihood procedure in combination with the simulated annealing to estimate the parameters of a baseline rbc model from u s macroeconomic time series data the procedure is tested on a simulated data set where the parameters are known and then applied to u s time series data this permits us to evaluate the efficiency of the procedure and the extent to which the rbc model is a good representation of macroeconomic data

inflation targeting matters evidence from oecd economies sacrifice ratios using data from oecd economies we show that inflation targeters suffered smaller output losses during disinflations when compared to nontargeters we also study why some countries choose to inflation target while others do not and find that higher average inflation and smaller debt levels render the adoption of the regime more likely applying heckman s procedure to control for selection bias does not alter the link between inflation targeting and less costly disinflations

non linear structure of a metzlerian inventory cycle model abstract this study considers optimizing behavior of an inventory holding firm its main purpose is to investigate a consistent microeconomic foundation of the non linear macrodynamic model that generates inventory cycles it solves present value maximization problems under two different specifications of expectation formations one is specifying expectation formation independently of the optimizing process of the firm i call it a myopic perfect formation of expectation the other is incorporating the expectation formation in the optimizing process i call it a dynamic perfect formation of expectation the analysis demonstrates that the firm with the myopic perfect formation can posses sufficient nonlinearity for generation of cyclical macrodynamics whereas the firm with the dynamic perfect formation cannot these results suggest that the myopic perfect treatment of expectations of economic agents can be a source of macro fluctuations like inventory cycles

real business cycles a new keynesian perspective the debate over the source and propagation of economic fluctuations rages as fiercely today as it did 50 years ago in the aftermath of keynes s the general theory and in the midst of the great depression today as then there are two schools of thought the classical school emphasizes the optimization of private economic actors the adjustment of relative prices to equate supply and demand and the efficiency of unfettered markets the keynesian school believes that understanding economic fluctuations requires not just studying the intricacies of general equilibrium but also appreciating the possibility of market failure on a grand scale

adaptive expectations and perfect foresight in a nonlinear metzlerian model of the inventory cycle it has long been known that the motions of aggregate inventory investment are an important facet of the business cycle see e g blinder and maccini 1991 some elementary insights into the dynamic feedback effects between inventories production and sales were provided by metzler 1941 in a small theoretical model the present note adopts his framework but seeks to overcome the limitation of its linear specifications our basic idea corresponds to the concept of a flexible inventory accelerator while metzler postulated that desired inventory investment in discrete time is equal to the gap between desired and actual stocks of inventories some later studies have introduced a constant proportionality factor for the adjustment of inventories here we go one step further and hypothesize a variable stock adjustment speed as it turns out fast adjustments in a vicinity of the stationary equilibrium cause local instability but if for

international experiences with different monetary policy regimes any views expressed in this paper are those of the author only and not those of columbia university or the national bureau of economic research abstract this paper examines the international experiences with four basic types of monetary policy regimes 1 exchange rate targeting 2 monetary targeting 3 inflation targeting and 4 monetary policy with an implicit but not an explicit nominal anchor the basic theme that emerges from this analysis is that transparency and accountability are crucial to constraining discretionary monetary policy so that it produces desirable long run outcomes because the devil is in the details in achieving transparency and accountability what strategy will work best in a country depends on its political cultural and economic institutions as well as on its past history

policy announcements and welfare in the presence of idiosyncratic risk the public revelation of information about uncertain aggregate outcomes such as policy choices can be detrimental to social welfare by announcing informative signals on non insurable aggregate risk the policy maker distorts agents insurance incentives and increases the riskiness of the optimal allocation that is feasible in self enforceable arrangements as an application we consider a monetary authority that may reveal changes in the inflation target and document that the negative effect of distorted insurance incentives can very well dominate conventional effects in favor for the release of better information

demand fluctuation and chaotic behaviour by interaction between customers and suppliers this paper presents an investigation on simulation of interaction between customers and suppliers in a three tier supply chain system in the simulation customers respond to the price discount offer made by the supplier and the supplier makes adjusts the price according to stock held the simulation shows that the behaviour of such interaction exhibits deterministic chaos it is found that the attractors of the model move with the environment and the initial states thus the bifurcating points in such a system are unable to provide a guideline in system design to avoid chaos

business cycles under monetary union a comparison of the eu and us reserve districts in the usa and the 15 countries that make up the eu the comparison is suggestive of what might be expected to emerge in the way of business cycle synchronization from a monetary union between the member states of the eu now simply non decimal denominations of the euro and the national central banks of the 11 are branches of the european system of central banks many prominent observers doubted that europe would ever reach this stage and many continue to believe that monetary union between such a large and dispar ate group of countries is fundamentally unsound a key element in the argu ments of many critics of emu is the degree of business cycle asynchronicity between the member states of the eu this paper contributes to the ongoing debate by documenting key differences and similarities between business cycles in the eu and business cycles in the 12 federal reserve districts in the united states the practice of looking to the us experience for insights into the problems and functioning of a monetary union has a long precedent in the literature on fixed exchange rates in general and in the literature on emu in particular for example in making an argument for fixed exchange rates rolnick and weber 1994 note that the usa can be viewed as having a system of fixed exchange rates between currencies issued by the 12 regional federal reserve banks they argue that the notes issued by the 12 banks are not strictly ident ical and that the difference between the notes creates the possibility that the united states could have a system of floating exchange rates among the 12 federal reserve districts 1 rolnick and weber go on to examine the features of the relationship among the 12 regional federal reserve banks that make a system of fixed exchange rates between them feasible in the process drawing lessons for how a monetary union among the countries of the eu might work the analysis in this paper complements earlier analyses in a number of ways the resurgence of interest in business cycle research over the past 20

is there cyclical bias in bank holding company risk ratings abstract this paper examines whether bank holding company bhc risk ratings are asymmetrically assigned or biased over business cycles from 1986 to 2003 in a model of ratings determination which accounts for bank characteristics financial market conditions past supervisory information and aggregate macro economic factors we find that bank exam ratings exhibit inter temporal characteristics first exam ratings exhibit some evidence of examiner bias for several periods analyzed when the business cycle turns examiners sometime depart from standards that they set during the previous phases of the cycle however this bias is not widespread or systematic second exam ratings exhibit some inertia our results suggest that examiners rate on the side of not changing rather than upgrading or downgrading an institution s exam rating third we find robust evidence of a secular trend towards more stringent examination bhc ratings standards over time

equilibrium in a production economy with an income tax this paper develops a method to study an infinite horizon production economy distorted by a state dependent income tax this setting permits taxes to depend on the capital stock an endogenous state variable and thus captures situations where the evolution for capital and taxes is jointly determined to solve this model the consumption function is represented as a fixed point of a nonlinear monotone operator that is defined such that its nth iteration computes the consumption function n steps away from the horizon for a corresponding finite horizon economy the oparator s monotonicity is exploited in proving the existence of and constructing an equilibrium copyright 1991 by the econometric society

trade openness and volatility abstract this paper examines the mechanisms through which output volatility is related to trade openness using an industry level panel data set of manufacturing production and trade the main results are threefold first sectors more open to international trade are more volatile second trade is accompanied by increased specialization these two forces imply increased aggregate volatility third sectors that are more open to trade are less correlated with the rest of the economy an effect that acts to reduce overall volatility the point estimates indicate that each of the three effects has an appreciable impact on aggregate volatility added together they imply that the relationship between trade openness and overall volatility is positive and economically significant

finance and the sources of growth the authors evaluate whether the level of development in the banking sector exerts a causal impact on economic growth and its sources total factor productivity growth physical capital accumulation and private saving they use 1 a pure cross country instrumental variable estimator to extract the exogenous component of banking development and 2 a new panel technique that controls for country specific effects and endogeneity they find that banks do exert a large causal impact on total factor productivity growth which feeds through to overall gdp gross domestic product growth the long run links between banking development and both capital growth and private savings are more tenuous

can inventory chaos be welfare improving abstract this study demonstrates the possibility that chaotic fluctuations may be preferable to a steady state for this purpose it uses a simple macro disequilibrium model in which inventory can be chaotically fluctuated in such a model the profit of a firm as well as the utility of a consumer fluctuates this raises the question of their average profitability and preferability in the long run this study with the aid of numerical examples demonstrates that the long run average profit can be greater than the profit obtained at the steady state while the long run average utility is the same as the utility obtained at the steady state

cost of business cycles with indivisibilities and liquidity constraints it is almost universally agreed that individuals face incomplete insurance markets and cannot perfectly insure against the idiosyncratic risk in this paper simple general equilibrium models with incomplete insurance markets are examined in order to assess the impact of imperfect insurance on the magnitude of the welfare costs of business cycles two versions of incomplete insurance markets are considered and certain statistical properties of the equilibrium stochastic processes in these environments are compared with those of a perfect insurance economy

testing the transparency benefits of inflation targeting evidence from private sector forecasts abstract using inflation forecast data for 11 it adoption countries it adoption is found to promote convergence in forecast errors suggesting that it enhances transparency this result which is subjected to several robustness checks and found to be robust supports morris and shin s 2002 contention that better public information is most beneficial for forecasters with bad private information however it does not support their hypothesis that better public information could make private forecasts less accurate

real business cycles in this paper we demonstrate how certain very ordinary economic principles lead maximizing individuals to choose consumption production plans that display many of the characteristics commonly associated with business cycles our explanation is entirely consistent with i rational expectations ii complete current information iii stable preferences iv no technological change v no long lived commodities vi no frictions or adjustment costs vii no government viii no money and ix no serial dependence in the stochastic elements of the environment we also provide a completely worked out example of the type of artificial economy we have in mind the time series properties of the example exhibit some major features of observed business cycles although this type of model may not be capable of explaining all of the regularities in actual business cycles we believe that it provides a useful well defined benchmark for assessing the relative importance of factors e g monetary disturbances

understanding real business cycles he 1 960s were a time of great optimism for macroeconomists many economists viewed the business cycle as dead the keynesian model was the reigning paradigm and it provided all the necessary instructions for manipulating the levers of monetary and fiscal policy to control aggregate demand inflation occurred if aggregate demand was stimulated excessively and unemployment arose if demand was insufficient the only dilemma faced by policymakers was determining the most desirable location along this inflation unemployment tradeoff or phillips curve the remaining intellectual challenge was to establish coherent microeconomic foundations for the aggregate behavioral relations posited by the keynesian framework but this was broadly regarded as a detail that should not deter policymakers in their efforts to stabilize the economy the return of the business cycle in the 1970s after almost a decade of economic expansion and the accompanying high rates of inflation came as a rude awakening for many economists it became increasingly apparent that the basic keynesian framework was not the appropriate vehicle for understanding what happens during a business cycle nor did it seem capable of providing the empirically correct answers to questions involving changes in the economic environment or changes in monetary or fiscal policy the view that keynesian economics was an empirical success even if it lacked sound theoretical foundations could no longer be taken seriously the essential flaw in the keynesian interpretation of macroeconomic phenomenon was the absence of a consistent foundation based on the choice theoretic framework of microeconomics two important papers one by milton friedman 1968 and the other by robert lucas 1976 forcefully demonstrated examples of

international real business cycles we ask whether a two country real business cycle model can account simultaneously for domestic and international aspects of business cycles with this question in mind we document a number of discrepancies between theory and data the most striking discrepancy concerns the correlations of consumption and output across countries in the data outputs are generally more highly correlated across countries than consumptions in the model we see the opposite

comparative dynamics of an equilibrium intertemporal asset pricing model this paper uses recursive competitive theory to develop a general equilibrium asset pricing model in this framework all prices and rates of return are endogenously determined thus enabling us to analyze the effects of changes in preferences technological uncertainty and expectations on the structure of security prices in particular we focus on how the market risk premium varies with changes in the underlying economic environment an issue which other asset pricing models have chosen not to address