More on Unemployment and Vacancy Fluctuations
Abstract
Shimer (2005a) argues that the textbook equilibrium search model of unemployment explains less than 10% of the volatility in U.S. vacancies and unemployment when fluctuations are driven by productivity shocks. His paper as well as other recent work inspired by it are reviewed and extended here. Although there seems to be excessive feedback from the job-finding rate to the wage built into the Nash bargaining mechanism assumed to determine wages in the model, we argue that he and others overemphasize the need for wage rigidity to explain the data on labor-market fluctuations. Indeed, a modified version of the model can explain the magnitude of the empirical relationship between the vacancy-unemployment ratio and labor productivity when wages are the outcome of a strategic bargaining game and when the elasticity of the matching function and the opportunity cost of a match are set at reasonable values. The modified model also explains almost two thirds of the volatility in the ratio relative to that of productivity when separation shocks are taken into account, as well as the strong negative correlation between vacancies and unemployment found in Shimer's data. (Copyright: Elsevier)Download Info
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Bibliographic Info
Article provided by Elsevier for the Society for Economic Dynamics in its journal Review of Economic Dynamics.
Volume (Year): 10 (2007)
Issue (Month): 3 (July)
Pages: 327-347
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Related research
Keywords: Labor-market search; Unemployment and vacancies volatility; Job-finding rate; Productivity shocks; Wage rigidity;Other versions of this item:
- Dale T. Mortensen, 2005. "More on Unemployment and Vacancy Fluctuations," 2005 Meeting Papers 326, Society for Economic Dynamics.
- Dale T. Mortensen & Eva Nagypal, 2005. "More on Unemployment and Vacancy Fluctuations," NBER Working Papers 11692, National Bureau of Economic Research, Inc.
- Mortensen, Dale T. & Nagypál, Éva, 2005. "More on Unemployment and Vacancy Fluctuations," IZA Discussion Papers 1765, Institute for the Study of Labor (IZA).
- E24 - Macroeconomics and Monetary Economics - - Macroeconomics: Consumption, Saving, Production, Employment, and Investment - - - Employment; Unemployment; Wages; Intergenerational Income Distribution
- E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
- J41 - Labor and Demographic Economics - - Particular Labor Markets - - - Labor Contracts
- J63 - Labor and Demographic Economics - - Mobility, Unemployment, and Vacancies - - - Turnover; Vacancies; Layoffs
- J64 - Labor and Demographic Economics - - Mobility, Unemployment, and Vacancies - - - Unemployment: Models, Duration, Incidence, and Job Search
References
References listed on IDEASPlease report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
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