price setting during low and high inflation evidence from mexico this paper provides new insight into the relationship between inflation and the setting of individual prices by examining a large data set of mexican consumer prices covering episodes of both low and high inflation when the annual rate of inflation is low below 10 15 the frequency of price changes comoves weakly with inflation because movements in the frequency of price decreases and increases partly offset each other in contrast the average magnitude of price changes correlates strongly with inflation because it is sensitive to movements in the relative shares of price increases and decreases when inflation rises beyond 10 15 few price decreases are observed and both the frequency and average magnitude are important determinants of inflation i show that a menu cost model with idiosyncratic technology shocks predicts the average frequency and magnitude of price changes well over a range of inflation similar to that experienced by mexico

state dependent pricing invoicing currency and exchange rate pass through abstract we analyze exchange rate pass through and volatility of import prices in a dynamic framework where firms are subject to menu costs and decide on price adjustments in response to exchange rate innovations the exchange rate pass through and import price volatility then depend on the invoicing currency in combination with functional forms of cost and demand functions in particular there is lower pass through less frequent price adjustments and lower price volatility when prices are set in the importer s currency than when prices are set in the exporter s currency

inflation before and after central bank independence the case of colombia abstract in this paper we model the colombian inflation rate in terms of excess demand effects from asset goods and factor markets in contrast to previous results for a group of industrial economies we find that domestic factors are a far more powerful influence on inflation than are external factors the paper pays particular attention to the potential effects of the constitutional reform of 1991 which created a central bank independent from other parts of government we find that the creation of an independent central bank did change some of the parameters of the model as the disequilibria in goods and monetary markets were found to have a smaller effect on inflation after central bank independence was granted

applied general equilibrium models of taxation and international trade an introduction and survey we wish to acknowledge the help of three referees and of john pencavel on several earlier drafts as well as the assistance of the modelers whose work is referred to in the paper they corrected our lack of understanding of their work and provided many other helpful comments excellent research and bibliographical assistance have been provided by debbie fretz radwan shaban and janet stotsky helpful comments have been made by charles ballard michael boskin lans bovenberg sylvester damus harvey galper glenn harrison gordon lenjosek jack mutti serena ng t n srinivasan charles stuart and eric toder the authors also acknowledgefinancial support from the national bureau of economic research the national science foundation international business machines and the social sciences and humanities research council ottawa canada

state dependent pricing and the dynamics of money and output standard macroeconomic models of price stickiness assume that each firm leaves its price unchanged for a fixed amount of time we present an alternative model in which the pricing decision depends on the state of the economy we find a method of aggregating individual price changes that allows a simple characterization of macroeconomic variables the model produces a positive money output correlation and an empirical phillips curve in addition the impact of monetary shocks depends crucially on the current level of output which points to a natural connection between state dependent microeconomics and state dependent macroeconomics i introduction there is a long tradition in macroeconomics of attributing the real effects of nominal demand shocks to nominal price stickiness in this view if there is no change in prices when nominal demand rises then quantities must bear the burden of adjustment hence nominal price rigidity provides the friction needed for nominal demand shocks to be transmitted to the real economy standard models of this transmission mechanism such as fischer 1977 and taylor 1980 are based on the assumption that each firm leaves its price unchanged for a fixed amount of time the main reason for considering such time dependent pricing rules is their analytic tractability constraining firms to adjust their prices at prespecified times both simplifies the derivation of equilibrium strategies and allows the use of powerful time series techniques to analyze aggregate dynamics the main disadvantage of the timedependent approach is that between price adjustments firms are not allowed to respond even to extreme changes of circumstance this makes it difficult to know whether the qualitative effects of money in these models are the result of nominal rigidities per se or of the exogenously imposed pattern of price changes an alternative approach to modeling price stickiness is to allow the price setting decision to depend on the actual state of the

the gravity model an illustration of structural estimation as calibration dawkins srinivasan and whalley calibration handbook of econometrics 2001 propose that estimation is calibration we illustrate their point by examining a leading econometric application in the study of international and interregional trade by anderson and van wincoop gravity with gravitas a solution to the border puzzle american economic review 2003 we replicate the econometric process and show it to be a calibration of a general equilibrium model our approach offers unique insights into structural estimation and we highlight the importance of traditional calibration considerations when one uses econometric techniques to calibrate a model for comparative policy analysis jel f10 c13 c60 i introduction contemporary economic analysis includes two broad traditions of fitting models to data many estimate stochastic theory based reduced forms with few parameters while others calibrate models by an extensive collection and computation of consistent fitted values although the first technique is called estimation and the second calibration these exercises are identical under consistent identifying assumptions both calibration and estimation fit a model to data dawkins srinivasan and whalley 2001 make this point succinctly calibration is estimation estimation is calibration the point is widely recognized in the macroeconomic real business cycle literature hoover 1995 our purpose is to demonstrate that it is equally relevant to micro based general equilibrium models in our view there is too little communication between calibrators and estimators of such models and the lack of communication impedes research it is important to clearly delineate the processes of data fitting and the subsequent model analyses in analysis of fitted models the degree of concentration on counterfactual simulation versus hypothesis testing around specific parameters often cleaves with our respective notions of calibration and estimation but counter examples are easily found sensitivity analysis found in computable general equilibrium cge studies can be specifically designed to generate higher order moments to facilitate hypothesis testing 1 many econometric studies are specifically focused on model identification for the purpose of counterfactual simulation 2 a more informative distinction might be drawn between testing models and calibrating models hoover 1995 places this issue at the heart of the macroeconomic debate surrounding real business cycle models we see a direct extension of the macroeconomic debate into any empirical methodology that involves general equilibrium systems in the testing paradigm stochastic measures of fit provide a critically important benchmark for evaluating alternative structural assumptions or analytical results derived from a particular set of assumptions when the objective is to provide a quantitative context for counterfactual analysis traditional measures of fit are little more than indicators of parsimony one example of the macroeconomic debate spilling over to the empirical literature is forwarded by learner and levinsohn 1995 who advise us to estimate don t test the point being that falsifiable theories are informative conceptually and empirically in the context of estimating as opposed to testing some researchers find it preferable to exhaust the degrees of freedom available in the data by expanding the set of structural parameters this results in a calibrated model that perfectly fits the benchmark observation but requires external information on how it will respond to shocks model responses are usually summarized in a set of elasticity assumptions econometric estimation does not exhaust the degrees of freedom and may focus on internal measurements of response parameters there also seems to be convergence in the empirical international trade literature some calibrators of traditional general equilibrium simulation models attempt to identify response parameters e

menu costs and markov inflation a theoretical revision with new evidence abstract we revisit a foundational theoretical paper in the menu cost literature sheshinski and weiss 1983 optimum pricing policy under stochastic inflation review of economic studies 50 3 513 529 one of the few to treat stochastic inflation with persistent deviations from trend in contrast to the original finding we show that optimal pricing in this environment entails using different s s bands in high inflation and low inflation states of the world the low inflation band is strictly contained within the high inflation band this revised solution has very different implications from the original one firms are generally risk loving not risk averse with respect to inflation an increase in the variance of inflation increases price dispersion when inflation is high and decreases price dispersion when inflation is low on an aggregate level this optimal pricing would lead to bunching of prices and non neutrality of money in the setting of caplin and spulber 1987 menu costs and the neutrality of money quarterly journal of economics 102 4 703 725 to test the main finding we construct an establishment level dataset from the months surrounding mexico s tequila crisis in 1995 in the high inflation state price increases are larger and establishments allow their prices to vary more widely around their respective long run mean relative prices cross establishment price dispersion is lower but this result seems due to decreased establishment heterogeneity rather than narrower s s bands overall the evidence suggests that establishments employ wider s s bands in the high inflation state

game theory and climate diplomacy abstract starting with the new periodic table npt of 2 2 order games introduced by robinson and goforth 2005 we provide an exhaustive treatment of the possible game theoretic characterizations of climate negotiations between two players e g great powers or coalitions of states of the 144 distinct 2 2 games in which the players have strict ordinally ranked utilities 25 are potentially relevant to climate problem the negotiations may be characterized as a no conflict game prisoner s dilemma coordination game chicken type game or cycle depending on the payoff matrix which game corresponds to the actual state of the world depends both on the severity of risks associated with climate change and the perceptions of the governments engaged in the negotiations nash equilibrium or maxi min equilibrium or neither may be the outcome achieving universal abatement of greenhouse gas emissions may require side payments or enforcement mechanisms outside the game framework but we show how the negotiations themselves may offer opportunities to select between nash equilibria or alter the payoff rankings and strategic choices of the players in particular scientific information pointing to the severity of the risks of climate change suggests characterization of the negotiations as a coordination game rather than a prisoner s dilemma

expenditure switching vs real exchange rate stabilization competing objectives for exchange rate policy this paper develops a view of exchange rate policy as a trade off between the desire to smooth fluctuations in real exchange rates so as to reduce distortions in consumption allocations and the need to allow flexibility in the nominal exchange rate so as to facilitate terms of trade adjustment we show that optimal nominal exchange rate volatility will reflect these competing objectives the key determinants of how much the exchange rate should respond to shocks will depend on the extent and source of price stickiness the elasticity of substitution between home and foreign goods and the amount of home bias in production quantitatively we find the optimal exchange rate volatility should be significantly less than would be inferred based solely on terms of trade considerations moreover we find that the relationship between price stickiness and optimal exchange rate volatility may be non monotonic

valuing life experimental evidence using sensitivity to rare events global environmental phenomena like climate change major extinction events or flutype pandemics can have catastrophic consequences by properly assessing the outcomes involved especially those concerning human life economic theory of choice under uncertainty is expected to help people take the best decision however the widely used expected utility theory values life in terms of the low probability of death someone would be willing to accept in order to receive extra payment common sense and experimental evidence refute this way of valuing life and here we provide experimental evidence of people s unwillingness to accept a low probability of death contrary to expected utility predictions this work uses new axioms of choice defined by chichilnisky 2000 especially an axiom that allows extreme responses to extreme events and the choice criterion that they imply the implied decision criteria are a combination of expected utility with extreme responses and seem more consistent with observations

imperfectly credible disinflation under endogenous time dependent pricing the real effects of an imperfectly credible disinfl ation depend critically on the extent of price rigidity therefore the study of how policymakers credibility affects the outcome of an announced disinflation should not be dissociated from the analysis of the determinants of the frequency of price adjustments in this paper we examine how the policymaker s credibility affects the outcome of an announced disinflation in a model with endogenous time dependent pricing rules both the initial degree of price ridigity calculated optimally and more notably the changes in contract length during disinflation play an important role in the explanation of the effects of imperfect credibility we initially evalute the costs of disinfl ation in as etup where credibility is exogenous and then allow agents to update beliefs about the type of monetary authority that they face we show that in both cases the interaction between the endogeneity of time dependent rules and imperfect credibility increases the output costs of disinflation

monopolistic competition increasing returns to scale and the importance of productivity shocks abstract the neoclassical growth model is extended to incorporate monopolistic competition and increasing returns to scale implications for the measurement of productivity change through the solow residual are studied it is found that for this extension productivity fluctuations continue to account for a substantial fraction of output volatility the model cannot account for volatility of employment

predetermined prices and the persistent effects of money on output this note illustrates a model of predetermined pricing where firms set a fixed schedule of nominal prices at the time of price readjustment based on the work of fischer 1977 this contrasts with the model of fixed pricing the specification underlying most recent dynamic sticky price models it is well known that predetermined pricing cannot generate substantial persistence in the real effects of monetary shocks when prices are set via fixed duration contracts unless the contracts are of long duration however we show that with a probabilistic model of price adjustment a predetermined pricing specification can produce almost as much persistence as the more conventional model of fixed prices without the assumption of long average contract duration

heterogeneity and output fluctuations in a dynamic menu cost economy when firms face menu costs the relation between their output and money is highly non linear at the aggregate level however this needs not be so in this paper we study the dynamic behaviour of a menu cost economy where firms are heterogeneous in the shocks they perceive and the demands and adjustment costs they face in this context we i generalize the caplin and spulber 1987 steady state monetary neutrality result ii show that uniqueness of equilibria depends not only on the degree of strategic complementarities but also on the degree of dispersion of firms positions in their price cycle iii characterize the path of output outside the steady state and show that as strategic complementarities become more important expansions become longer and smoother than contractions and iv show that the potential impact of monetary shocks is an increasing function of the distance of the economy from its steady state but that an uninformed policy maker will have no effect on output on average

the phillips curve under state dependent pricing abstract we derive a phillips curve equation from the dynamic stochastic general equilibrium dsge model with state dependent pricing developed by dotsey et al 1999 state dependent pricing and the general equilibrium dynamics of money and output quarterly journal of economics 114 655 690 this state dependent phillips curve encompasses the new keynesian phillips curve nkpc based on calvo type price setting as a special case we analyze the effect of the state dependent terms that is the variations in the distributions of price vintages on inflation persistence and we examine whether the hybrid nkpc that is the nkpc extended by a lagged inflation term can adequately describe inflation dynamics generated in a calibrated state dependent pricing economy

the forgotten history of domestic debt there is a rich scholarly literature on sovereign default on external debt comparatively little is known about sovereign default on domestic debt even today cross country data on domestic public debt remains curiously exotic particularly prior to the 1980s we have filled this gap in the literature by compiling a database on central government public debt external and domestic the data span 1914 to 2010 for most countries reaching back into the nineteenth century and earlier for many our findings here on debt sustainability sovereign defaults the temptation to inflate and the hierarchy of creditors only scratch the surface of what the domestic public debt data can reveal first domestic debt is big for the 64 countries for which we have long time series domestic debt accounts for almost two thirds of total public debt for most of the sample this debt carries a market determined interest rate except for the financial repression era between wwii and financial liberalization second the data go a long way toward explaining the puzzle of why countries so often default on their external debts at seemingly low debt thresholds third domestic debt has largely been ignored in the vast empirical work on inflation in fact domestic debt a significant portion of which is long term and nonindexed is often much larger than the monetary base in the run up to high inflation episodes last the widely held view that domestic residents are strictly junior to external creditors does not find broad support

sticky price models of the business cycle can the contract multiplier solve the persistence problem we construct a quantitative equilibrium model with firms setting prices in a staggered fashion and use it to ask whether monetary shocks can generate business cycle fluctuations these fluctuations include persistent movements in output along with the other defining features of business cycles like volatile investment and smooth consumption we assume that prices are exogenously sticky for a short time persistent output fluctuations require endogenous price stickiness in the sense that firms choose not to change prices much when they can do so we find that for a wide range of parameter values the amount of endogenous stickiness is small thus we find that in a standard quantitative model staggered price setting alone does not generate business cycle fluctuations

menu costs and phillips curves this paper develops a model of a monetary economy in which individual firms are subject to idiosyncratic productivity shocks as well as general inflation sellers can change price only by incurring a real menu cost we calibrate this cost and the variance and autocorrelation of the idiosyncratic shock using a new u s data set of individual prices due to klenow and kryvtsov the prediction of the calibrated model for the effects of high inflation on the frequency of price changes accords well with international evidence from various studies the model is also used to conduct numerical experiments on the economy s response to various shocks in none of the simulations we conducted did monetary shocks induce large or persistent real responses

microeconomic rigidities and aggregate price dynamics abstract this paper is an attempt to enrich the characterization of the sluggish behavior of the aggregate price level our contribution to this vast literature is to explicitly consider microeconomic heterogeneity and its interaction with nonlinear microeconomic price adjustment policies the model we propose outperforms the constant probability of adjustment partial adjustment model in describing the path of postwar u s inflation using only aggregate data we infer that the probability that a firm adjusts its price depends on the sign and the magnitude of the deviation of the price from its target level at the aggregate level we find that the aggregate price level responds less to negative shocks than to positive shocks that the size of this asymmetry increases with the size of the shock and that the number of firms changing their prices and therefore the flexibility of the price level to aggregate shocks varies endogenously over time in response to changes in economic conditions

exploring different views of exchange rate regime choice the empirical distinction between de facto and de jure exchange rate regimes raises a number of interesting questions which factors may induce a de facto peg why do countries enforce a peg but do not announce it why do countries break their promises we show that a stable socio political environment and an efficient political decision making process are a necessary prerequisite for choosing a peg and sticking to it challenging the view that sees the exchange rate as a commitment device policymakers seem rather concerned with regime sustainability in the face of adverse economic and socio political fundamentals

inflation and output dynamics with state dependent pricing decisions this paper studies a state dependent pricing model in which firms face a fixed cost of changing their pricing plans a pricing plan specifies an entire sequence of time varying future prices allowing firms to choose a pricing plan rather than a single price generates inflation inertia in the response of the economy to small changes in the growth rate of money allowing firms to choose when to change their pricing plan generates a non linear response of inflation and output to small and large changes in the money growth rate the non linear solution method also reveals that the model generates an asymmetric response of output and inflation to monetary expansions and contractions

inflation inertia and credible disinflation abstract we develop a model of optimizing forward looking staggered price setting where even fully credible disinflations display a delayed and gradual inflation response and significant output losses there is a welfare trade off between these output losses and the gains from smaller inflationary distortions for reasonable parameter values disinflation improves welfare and more so if it is phased in gradually the pricing assumption of our model yields dynamics that are similar to models of sticky information but its state space is much simpler thereby allowing for the application of standard linearization methods

menu costs and the neutrality of money a model of endogenous price adjustment under money growth is presented firms follow s s pricing policies and price revisions are imperfectly synchronized in the aggregate price stickiness disappears and money is neutral the connection between firm price adjustment and relative price variability in the presence of monetary growth is also investigated the results contrast with those obtained in models with exogenous fixed timing of price adjustment

a quantitative analysis of inflation as a tax on the underground economy abstract inflation rates are more dispersed and are persistently higher in developing countries this paper quantifies the importance of the public finance motive for inflation in the presence of a tax evading sector the underground economy the approach is motivated by the observation that the underground economy is especially large in poor countries the analysis builds on a general equilibrium monetary model with two production sectors where income in one of the sectors cannot be taxed a benevolent government finances its budget using an optimal combination of the income tax rate and the inflation rate the model is first calibrated to the u s economy and is then used for a cross country simulation the resulting relationships between the size of an underground economy inflation rate income tax rate and the share of seigniorage in the government revenue rationalize the cross country data quantitatively well

indivisible labor and the business cycle abstract a growth model with shocks to technology is studied labor is indivisible so all variability in hours worked is due to fluctuations in the number employed we find that unlike previous equilibrium models of the business cycle this economy displays large fluctuations in hours worked and relatively small fluctuations in productivity this finding is independent of individuals willingness to substitute leisure across time this and other findings are the result of studying and comparing summary statistics describing this economy an economy with divisible labor and post war u s time series

explaining investment dynamics in u s manufacturing a generalized s s approach we are grateful to olivier blanchard whitney newey james stock an editor three anonymousreferees and seminar participants at brown cepr champoussin chicago columbia econometric society meetings caracas and tokyo efcc harvard impa lse nber princeton rochester site toronto u de chile and yale for their comments financial support to caballero from the national science and sloan foundations and to engel from fondecyt grant 195 510 and the mellon foundation grant 9608 is gratefully acknowledged 2since plants entry is excluded from their sample these statistics are likely to represent lowerbounds on the degree of lumpiness in plants investment patterns 3we use the word project to emphasize the fact that the actual implementation of a projectmay cover more than a year observation realistic time to build aspects of investment are not incontradiction with the view that investment episodes are lumpy in nature 4 see chirinko 1994 for a survey of the empirical investment literature

the asymmetric effects of monetary policy a nonlinear vector autoregression approach this paper tests for nonlinearity in a standard vector autoregression including output prices and money supply using an estimation strategy that is consistent with a wide range of structural macroeconomic models shocks to the money supply are found to have stronger output effects and weaker price effects when output growth is initially low positive and negative monetary shocks are found to have nearly symmetric effects in addition there is some evidence that shocks of different magnitudes have asymmetric effects these results are consistent with the view that the aggregate supply curve is convex

labor markets and adjustment in open asian economies the republic of korea and malaysia this article deals with the adjustment following external shocks in two open asian economies the republic of korea and malaysia there were important differences in the economic structure of the two countries as well as significant differences in the way external events produced crises that interrupted their dynamic economic growth detailed analyses of economic cycles in the two decades preceding 1987 88 show that the behavior of factor markets particularly the markets for labor and foreign exchange helped korea to adjust quickly to the shocks but in malaysia actually caused the crisis to deepen for economies heavily dependent on exports the unit cost of labor in dollars is of central importance as an index of the competitiveness of exports and hence of their ability to mount a sustained recovery after a difficult period accordingly the heart of the analysis is the determination of the unit cost of labor and the factors affecting its change throughout the cycles concentration on this critical variable helps to spotlight the crucial differences in the factor markets of the two economies

menu costs posted prices and multiproduct retailers we use a unique store level data set to directly measure menu costs and to study the price change process at a large u s drugstore chain we compare and contrast the magnitude of these measures with similar measures from four large u s supermarket chains we find that 1 the actual magnitude of menu costs as a share of revenues 2 menu costs per price change 3 the frequent use of promotional pricing and 4 the use of weekly pricing rules are similar across both retail formats given that the main common features of these two types of retail formats are that i they both use posted prices and ii both are multiproduct retailers selling a large number of products our findings suggest that the magnitude of the menu cost components we measure and the price change practices we document may be generalizable across retail formats with these two features

the postsocialist transitions in comparative perspective policy issues and recent experience abstract this paper examines the postsocialist transition in eastern europe the reforms in china and the postdirigiste transitions in latin america the paper analyzes the initial conditions that gave rise to processes of reform in the different countries the main strategies for economic reform shock treatment gradualism and mixed strategies discussing their conditioning factors and rationale the actual record of these policies in terms of key indicators of economic performance such as inflation gdp growth external sector sustainability progress in privatization and the social costs of adjustment in addition the paper discusses interdependencies between economic and political reforms during the course of systemic transformation

a reversal of fortune for korean women explaining the 1983 upward turn in relative earnings between 1971 and 1983 korea s mean gender earnings ration remained virtually stagnant at 47 percent but after 1983 the earnings ration took a distinct turn upward in other words not until after 1983 did korean women make any progress in closing the gender earnings gap when controlling for education the analysis reveals a surprising drop in relative earning across education groups in the 1970s and early 1980s and a recover thereafter the author uses an extremely rich set of microdata suitable for decomposition to explain the trends in korea s earnings differential results indicate that most of the 1983 reversal is attributable to a strong compression in market returns to skills and to narrowing gender differences in education and experience the widening gender earnings differential across education groups before 1983 resulted primarily from a growing gender gap in unobserved characteristics growing gender differences in unmeasured ability or increased wage discrimination could explain this trend after 1983 women with high school education or less benefit primarily from a dramatic narrowing in the economy s distribution of market payoffs to skills enough for women to begin to catch up to men relative earnings a compression in the return to skills helped only some groups women with college educations did not experience increased benefits from changes in the market payoff to skills stricter enforcement of korea s equal pay for equal work provision could help reduce the outright discrimination against women workers that might be the underlying problem by boosting the potential of korea s female labor force stronger enforcement of korea s equal opportunity provisions would improve the country s economic productivity

monetary rewards and decision cost in experimental economics a survey of thirty one experimental studies which report data on the comparative effects of monetary rewards and opportunity cost shows 1 several studies in which increased rewards shift the central tendency of the data toward the predictions of rational models 2 in virtually all cases rewards reduce the variance of the data around the predicted outcome this is consistent with a model in which rewards are balanced against decision cost in agent behavior and explicates the argument that when rational models fail it can be attributed to low opportunity cost of deviations from the rational prediction

regular flexibility of nested ces functions in this paper we define the class of regular flexible functional forms as the class of cost functions which are globally well behaved and can provide a local approximation to any globally well behaved cost function we then offer a constructive proof of flexibility for the nonseparable n stage constant elasticity of substitution functional form nnces by describing a technique through which the nnces form can be parameterized so as to locally capture any regular configuration of input demands and second order curvature conditions

price stickiness in ss models new interpretations of old results abstract what is the relation between infrequent price adjustment and the dynamic response of the aggregate price level to monetary shocks the answer to this question ranges from a one to one link calvo g 1983 prices in a utility maximizing framework journal of monetary economics 12 383 398 to no connection whatsoever caplin a spulber d 1987 menu costs and the neutrality of money quarterly journal of economics 102 703 726 the purpose of this paper is to provide a unified framework to understand the mechanisms behind this wide range of results in doing so we propose new interpretations of key results in this area which in turn suggest the kind of ss model that is likely to generate substantial price rigidity among these new interpretations we revisit caplin and spulber s monetary neutrality result we show that when price stickiness is measured in terms of the impulse response function this result is not a consequence of aggregation as is often assumed but is due instead to the absence of price stickiness at the microeconomic level we also show that the selection effect according to which units that adjust their prices are those that benefit the most is neither necessary nor sufficient to account for the higher aggregate flexibility of ss type models compared to calvo models instead the key concept is the contribution of the extensive margin of adjustment to the aggregate price response the aggregate price level is more flexible than suggested by the microeconomic frequency of adjustment if and only if this term is positive

sluggish inflation and optimizing models of the business cycle abstract many researchers have added sticky prices to quantitative business cycle models i simulate several of these models in order to evaluate their success at reproducing two features of us data the lagged reaction of inflation to monetary growth and the persistence of inflation

the magnitude of menu costs direct evidence from large u s supermarket chains we use store level data to document the exact process of changing prices and to directly measure menu costs at five multistore supermarket chains we show that changing prices in these establishments is a complex process requiring dozens of steps and a nontrivial amount of resources the menu costs average 105 887 year per store comprising 0 70 percent of revenues 35 2 percent of net margins and 0 52 price change these menu costs may be forming a barrier to price changes specifically 1 a supermarket chain facing higher menu costs due to item pricing laws that require a separate price tag on each item changes prices two and one half times less frequently than the other four chains 2 within this chain the prices of products exempt from the law are changed over three times more frequently than the products subject to the law in principle fixed costs of changing prices can be observed and measured in practice such costs take disparate forms in different firms and we have no data on their magnitude so the theory can be tested at best indirectly at worst not at all alan blinder 1991 p 90

price adjustments in a general model of state dependent pricing we study the distribution of retail price adjustments under the assumption that firms are more likely to adjust their prices when doing so is more valuable our setup nests calvo 1983 at one extreme and a fixed menu cost model at the other all parameterizations are ranked by a measure of state dependence high state dependence implies counterfactually that there are no small price changes and that the variance of price changes falls sharply with trend inflation the parameterization that best fits microdata has low state dependence implying a phillips curve coefficient 60 as large as that of the calvo model but is nonetheless well behaved at high inflation rates

trade frictions and welfare in the gravity model how much of the iceberg melts a key element missing from the structural gravity literature is an examination of the implied general equilibrium by design the gravity equation is adept at predicting bilateral trade flows to make inferences beyond trade flows however the theoretic models should be consistent with other observables structural econometric estimates from anderson and van wincoop 2003 allow us to evaluate their proposed general equilibrium along several dimensions we find that their gravity model predicts too large a difference between consumer and producer prices excessive variation in the geographic distribution of consumer price indices and an exceptionally large portion of output devoted to overcoming trade frictions under plausible parameterizations of the model at least 50 of output melts in transit jel classification f10 frictions commerciales et bien etre dans un modele gravitationnel quelle portion du iceberg fond un element cle qui manque dans la litterature specialisee sur la gravite structurelle est l examen de l equilibre general implicite par construction l equation de gravite predit bien les flux de commerce bilateraux pour suggerer des inferences au dela des flux de commerce il faut cependant que les modeles theoriques soient compatibles avec ce qu on observe par ailleurs les calibrations econometriques structurelles d anderson et van wincoop 2003 permettent d evaluer leur equilibre general propose selon plusieurs dimensions il s avere que leur modele de gravite predit une difference trop grande entre les prix des producteurs et des consommateurs une variation excessive dans la distribution geographique des indices de prix a la consommation et une portion anormalement grande de la production depensee pour surmonter les frictions commerciales a partir de parametrisations plausibles du modele on montre que 50 de la production fond en cours de route

modern hyper and high inflations since 1947 hyperinflations by cagan s definition in market economies have been rare much more common have been longer inflationary processes with inflation rates above 100 percent per annum based on a sample of 133 countries and using the 100 percent threshold as the basis for a definition of very high inflation episodes this paper examines the main characteristics of such inflations among other things we find that i close to 20 percent of countries have experienced inflation above 100 percent per annum ii higher inflation tends to be more unstable iii in high inflation countries the relationship between the fiscal balance and seigniorage is strong both in the short and long run iv inflation inertia decreases as average inflation rises v high inflation is associated with poor macroeconomic performance and vi stabilizations from high inflation that rely on the exchange rate as the nominal anchor are expansionary

the no exit economy soft budget constraints and the fate of economic reforms in developing countries abstract the paper investigates the general issues of the costs and sustainability of economic reforms in the light of the current economic transformation of central and eastern europe using the conceptual framework of kornai s soft budget constraint macro and microeconomic indicators of budget softness are derived with the help of factor analysis budget softness may be represented as a linear combination of these indicators in a three factor model the role of soft budget constraints is tested to substantiate two hypotheses first macroeconomic stabilization is only credible and sustainable if appropriate microeconomic incentives in the form of hard budget constraints for enterprises exist second the costs of economic adjustment to exogenous price shocks in terms of short run growth and investment performance are related to the speed with which budget constraints can be hardened while the first two hypotheses are supported by the evidence the paper does not settle a third issue raised by the conceptual framework namely whether no exit economies also grow slower in the long run

the effects of china s growth on the food prices and the food exports of other developing countries this article explores the impacts of china s growth in the international markets of agricultural products along two dimensions food price inflation and export growth in other developing countries china s food imports of vegetable oils have grown dramatically over the last decade linking china s economic growth to the recent increases in global food prices if china is a source of global food price inflation exporting countries will benefit whether they sell directly to china or not these direct and indirect linkages are explored using a short run partial equilibrium model of international trade in agricultural products in which consumer prices and trade costs are derived from bilateral trade flows china s effects on food prices and exports are estimated by reducing chinese food expenditures in 2007 by half roughly china s level of expenditures in 1995 results indicate that food prices as measured by ces price indexes in developing asia africa and latin america would have been reduced by 1 27 0 32 and 0 22 respectively china has been an important source of growth for exporters selling directly to china there is no evidence of export growth due to an overall increase in food prices caused by china s growth

on inflation and output with costly price changes a simple unifying result this paper determines the real effects of credible disinflation when price setting is staggered the results are surprising a fairly quick disinflation causes a boom this finding suggests that nominal price rigidity alone does not explain why disinflation is costly in actual economies this abstract was borrowed from another version of this item

state dependent pricing and the general equilibrium dynamics of money and output economists have long suggested that nominal product prices are changed infrequently because of fixed costs in such a setting optimal price adjustment should depend on the state of the economy yet while widely discussed statedependent pricing has proved difficult to incorporate into macroeconomic models this paper develops a new tractable theoretical state dependent pricing framework we use it to study how optimal pricing depends on the persistence of monetary shocks the elasticities of labor supply and goods demand and the interest sensitivity of money demand

trade in polarized america the border effect between red states and blue states political and cultural polarization in the united states is widely discussed but does it relate to any economic disconnection among states we estimate the border effect between red and blue states using the gravity equation with a nonlinear generalized method of moments estimator to simultaneously overcome the problems associated with endogeneity cross state price differences and zero trade flow the border effect is robustly confirmed for the 2000s while not so robustly detected for the 1990s notably in 2007 the border reduces trade between red and blue states to approximately 75 of the trade within each set of states this estimated border effect is much smaller than the united states canada national border effect estimated by anderson and van wincoop 2003 and by feenstra 2002 yet is comparable to the border effect that nitsch and wolf 2009 find for the former west and east germanies approximately loyears after reunification while the border effect in germany after reunification is decreasing the border effect between the red and blue states is emerging we also find the border effect is more significant for consumption rather than intermediate goods the border effect is an important indicator for a potential dismantling of the economic connectivity in the united states jel d72 f10 fi5 r1 i introduction recent u s presidential elections have raised concern about polarization in u s politics and culture namely the united states is divided into two nations the red states we call it the red nation preserving the term state for an individual state and the blue states the blue nation in the red nation culturally and religiously conservative republicans are dominant while in the blue nation liberal democrats are the majority so far the focus of the discussion is the extent of the polarization abramowitz and saunders 2008 fiorina et al 2008 its determinants gelman et al 2010 and its implications on federal policy making glaeser et al 2005 mellow and trubowitz 2005 economic implications have not been largely discussed however the polarization may suggest economic divisions because it is a sign of geographic sorting of people and their preferences this article provides evidence that economic disconnectivity between the red and blue nations emerged in the 2000s we explore 1 whether there is a border effect on interstate trade 2 if the effect exists how large it is and 3 what types of goods are most affected in the context of existing literature and recent u s political and cultural events we then provide possible explanations for our findings this study uses a gravity equation of international trade to examine the effect of the fictional national border between the red and blue nations the methodology was originally applied by mccallum 1995 to estimate the degree of impact of the national border on trade between the united states and canada he finds that intercountry trade is less than 5 of the intracountry trade of canada controlling for other factors following mccallum s 1995 work several studies have proposed methodological improvements we apply an updated estimation method nonlinear generalized method of moments gmm estimator of a gravity equation to examine the border effect between the red and blue nations our analysis finds a statistically and economically significant border effect between the red and blue nations especially in years 2002 and 2007 we examine the border effect in 1993 1997 2002 and 2007 the years in which trade flow data are available from the federal commodity flow survey cfs the border effect is not robustly found in 1993 and 1997 however it is robustly detected in 2002 and 2007 even with additional controls or alternative specifications at the industry level analysis we find that the border effect is significant for consumption goods such as food tobacco and printed products but not for intermediate products i

on modeling and interpreting the economics of catastrophic climate change with climate change as prototype example this paper analyzes the implications of structural uncertainty for the economics of low probability high impact catastrophes even when updated by bayesian learning uncertain structural parameters induce a critical tail fattening of posterior predictive distributions such fattened tails have strong im plications for situations like climate change where a catastrophe is theoretically possible because prior knowledge cannot place sufficiently narrow bounds on overall damages this paper shows that the economic consequences of fat tailed structural uncertainty along with unsureness about high temperature damages can readily outweigh the effects of discounting in climate change policy analysis