Creator: Amador, Manuel and Phelan, Christopher Series: Staff report (Federal Reserve Bank of Minneapolis. Research Department) Number: 564 Abstract:
This paper presents a continuous-time model of sovereign debt. In it, a relatively impatient sovereign government’s hidden type switches back and forth between a commitment type, which cannot default, and an optimizing type, which can default on the country’s debt at any time, and assume outside lenders have particular beliefs regarding how a commitment type should borrow for any given level of debt and bond price. We show that if these beliefs satisfy reasonable assumptions, in any Markov equilibrium, the optimizing type mimics the commitment type when borrowing, revealing its type only by defaulting on its debt at random times. Further, in such Markov equilibria (the solution to a simple pair of ordinary differential equations), there are positive gross issuances at all dates, constant net imports as long as there is a positive equilibrium probability that the government is the optimizing type, and net debt repayment only by the commitment type. For countries that have recently defaulted, the interest rate the country pays on its debt is a decreasing function of the amount of time since its last default, and its total debt is an increasing function of the amount of time since its last default. For countries that have not recently defaulted, interest rates are constant.
关键词: Reputation, Debt intolerance, Sovereign default, Sovereign debt, Serial defaulters, and Learning 学科: F34 - International Lending and Debt Problems
Creator: Camargo, Braz and Pastorino, Elena Series: Staff report (Federal Reserve Bank of Minneapolis. Research Department) Number: 475 Abstract:
We analyze commitment to employment in an environment in which an infinitely lived firm faces a sequence of finitely lived workers who differ in their ability to produce output. A worker’s ability is initially unknown to both the worker and the firm. A worker’s effort affects the information on ability conveyed by his performance. We characterize equilibria and show that they display commitment to employment only when effort has a persistent but delayed impact on output. In this case, by providing insurance against early termination, commitment to employment encourages workers to exert effort, thus improving the firm’s ability to identify workers’ talent. The incentive value of commitment to retention helps explain the use of probationary appointments in environments in which there is uncertainty about individual ability.
关键词: Learning, Commitment, Retention, and Career concerns 学科: D83 - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness, C73 - Stochastic and Dynamic Games; Evolutionary Games; Repeated Games, J41 - Labor Contracts, and D21 - Firm Behavior: Theory
Creator: Pastorino, Elena Series: Staff report (Federal Reserve Bank of Minneapolis. Research Department) Number: 482 Abstract:
In order to analyze careers both within and across firms, this paper proposes a matching model of the labor market that extends existing models of job assignment and learning about workers’ abilities. The model accounts for worker mobility across jobs and firms, for varying degrees of generality of ability, and for the possibility that firms affect the information they acquire about workers through job assignment. I characterize equilibrium assignment and wages, and show how, depending on how abilities and jobs are distributed across firms, equilibrium gives rise to widely varying patterns of job mobility within firms and turnover across firms, even if matching would be perfectly assortative in the absence of uncertainty. The implied job and wage dynamics display features that are consistent with a broad set of empirical findings on careers in firms and the labor market. In particular, workers can experience gradual promotions and wage increases following successful performance but few or no demotions when employed by the same firm. The model also produces turnover across firms and occupations after both successful and unsuccessful experiences, leading to wage increases or decreases following a firm or occupation change. Overall, the results in this paper provide a unified framework in which to interpret the dynamics of jobs and wages in firms and the labor market.
关键词: Turnover, Learning, Careers in firms, and Matching 学科: J31 - Wage Level and Structure; Wage Differentials, J24 - Human Capital; Skills; Occupational Choice; Labor Productivity, and J62 - Job, Occupational, and Intergenerational Mobility; Promotion
Creator: Bullard, James and Duffy, John, 1964- Series: Joint committee on business and financial analysis Abstract:
Trend-cycle decomposition has been problematic in equilibrium business cycle research. Many models are fundamentally based on the concept of balanced growth, and so have clear predictions concerning the nature of the multivariate trend that should exist in the data if the model is correct. But the multivariate trend that is removed from the data in this literature is not the same one that is predicted by the model. This is understandable, because unexpected changes in trends are difficult to model under a rational expectations assumption. A learning assumption is more appropriate here. We include learning in a standard equilibrium business cycle model with explicit growth. We ask how the economy might react to the important trend-changing events of the postwar era in industrialized economies, such as the productivity slowdown, increased labor force participation by women, and the "new economy" of the 1990s. This tells us what the model says about the trend that should be taken out of the data before the business cycle analysis begins. Thus we use learning to address the trend-cycle decomposition problem that plagues equilibrium business cycle research. We argue that a model-consistent approach, such as the one we suggest here, is necessary if the goal is to obtain an accurate assessment of an equilibrium business cycle model.
关键词: Learning, Productivity slowdown, New economy, Equilibrium business cycle theory, and Business cycle fluctuations 学科: E30 - Prices, business fluctuations, and cycles - General and E20 - Macroeconomics : Consumption, saving, production, employment, and investment - General
Creator: Kaplan, Greg and Schulhofer-Wohl, Sam Series: Working paper (Federal Reserve Bank of Minneapolis. Research Department) Number: 697 Abstract:
We analyze the secular decline in interstate migration in the United States between 1991 and 2011. Gross flows of people across states are about 10 times larger than net flows, yet have declined by around 50 percent over the past 20 years. We argue that the fall in migration is due to a decline in the geographic specificity of returns to occupations, together with an increase in workers’ ability to learn about other locations before moving there, through information technology and inexpensive travel. These explanations find support in micro data on the distribution of earnings and occupations across space and on rates of repeat migration. Other explanations, including compositional changes, regional changes, and the rise in real incomes, do not fit the data. We develop a model to formalize the geographic-specificity and information mechanisms and show that a calibrated version is consistent with cross-sectional and time-series patterns of migration, occupations, and incomes. Our mechanisms can explain at least one-third and possibly all of the decline in gross migration since 1991.
关键词: Gross flows, Labor mobility, Information technology, Learning, and Interstate migration 学科: R12 - Size and Spatial Distributions of Regional Economic Activity, J24 - Human Capital; Skills; Occupational Choice; Labor Productivity, J11 - Demographic Trends, Macroeconomic Effects, and Forecasts, J61 - Geographic Labor Mobility; Immigrant Workers, R23 - Urban, Rural, Regional, Real Estate, and Transportation Economics: Regional Migration; Regional Labor Markets; Population; Neighborhood Characteristics, and D83 - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
Creator: Adam, Klaus, Marcet, Albert, and Nicolini, Juan Pablo Series: Working paper (Federal Reserve Bank of Minneapolis. Research Department) Number: 720 Abstract:
Consumption-based asset pricing models with time-separable preferences can generate realistic amounts of stock price volatility if one allows for small deviations from rational expectations. We consider rational investors who entertain subjective prior beliefs about price behavior that are not equal but close to rational expectations. Optimal behavior then dictates that investors learn about price behavior from past price observations. We show that this imparts momentum and mean reversion into the equilibrium behavior of the price-dividend ratio, similar to what can be observed in the data. When estimating the model on U.S. stock price data using the method of simulated moments, we find that it can quantitatively account for the observed volatility of returns, the volatility and persistence of the price-dividend ratio, and the predictability of long-horizon returns. For reasonable degrees of risk aversion, the model generates up to one-half of the equity premium observed in the data. It also passes a formal statistical test for the overall goodness of fit, provided one excludes the equity premium from the set of moments to be matched.
关键词: Subjective beliefs, Asset pricing, Learning, and Internal rationality 学科: E44 - Financial Markets and the Macroeconomy and G12 - Asset Pricing; Trading Volume; Bond Interest Rates
Creator: Kaplan, Greg and Schulhofer-Wohl, Sam Series: Working paper (Federal Reserve Bank of Minneapolis. Research Department) Number: 725 Abstract:
This appendix contains eight sections. Section 1 gives technical details of how we calculate standard errors in the CPS data. Section 2 discusses changes in the ACS procedures before 2005. Section 3 examines demographic and economic patterns in migration over the past two decades, in more detail than in the main paper. Section 4 examines the cross-sectional variance of location-occupation interactions in earnings when we define locations by MSAs instead of states. Section 5 describes alternative methods to estimate the variance of location-occupation interactions in income. Section 6 measures the segregation of industries across states and of occupations and industries across MSAs. Section 7 gives technical details on the use of SIPP and census data to calculate repeat and return migration rates. Section 8 discusses transition dynamics in the model.
关键词: Gross flows, Labor mobility, Information technology, Interstate migration, and Learning 学科: R12 - Size and Spatial Distributions of Regional Economic Activity, J24 - Human Capital; Skills; Occupational Choice; Labor Productivity, J11 - Demographic Trends, Macroeconomic Effects, and Forecasts, J61 - Geographic Labor Mobility; Immigrant Workers, R23 - Urban, Rural, Regional, Real Estate, and Transportation Economics: Regional Migration; Regional Labor Markets; Population; Neighborhood Characteristics, and D83 - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness