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Exogenous vs. Endogenous Separation

  • Ramey, Garey
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    This paper assesses how various approaches to modelling the separation margin a¤ect the ability of the Mortensen-Pissarides job matching model to explain key facts about the aggregate labor market. Allowing for realistic time variation in the separation rate, whether exogenous or endogenous, greatly in- creases the unemployment variability generated by the model. Speci…cations with exogenous separation rates, whether constant or time-varying, fail to pro- duce realistic volatility and productivity responsiveness of the separation rate and worker ‡ows. Speci…cations with endogenous separation rates, on the other hand, succeed along these dimensions. In addition, the endogenous separation model with on-the-job search yields a realistic Beveridge curve correlation, and it performs well in accounting for the productivity responsiveness of vacancies and market tightness. When the Hagedorn-Manovskii calibration approach is used, the behavior of the job …nding rate, vacancies and market tightness be- comes more realistic, but the volume of job-to-job transitions in the on-the-job search speci…cation is essentially zero.

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    Paper provided by Department of Economics, UC San Diego in its series University of California at San Diego, Economics Working Paper Series with number qt0qb196qd.

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    Date of creation: 01 Oct 2008
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    Handle: RePEc:cdl:ucsdec:qt0qb196qd
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    1. Christopher Pissarides, 2007. "The unemployment volatility puzzle: is wage stickiness the answer?," LSE Research Online Documents on Economics 4460, London School of Economics and Political Science, LSE Library.
    2. Murat Tasci, 2006. "On-the-Job Search and Labor Market Reallocation," 2006 Meeting Papers 333, Society for Economic Dynamics.
    3. Farmer, Roger E A, 2005. "Shooting the Auctioneer," CEPR Discussion Papers 4825, C.E.P.R. Discussion Papers.
    4. Mortensen, Dale T., 1994. "The cyclical behavior of job and worker flows," Journal of Economic Dynamics and Control, Elsevier, vol. 18(6), pages 1121-1142, November.
    5. Ramey, Garey & Shigeru Fujita, 2006. "The Cyclicality of Job Loss and Hiring," University of California at San Diego, Economics Working Paper Series qt4nz8p839, Department of Economics, UC San Diego.
    6. Marcus Hagedorn & Iourii Manovskii, 2007. "The Cyclical Behavior of Equilibrium Unemployment and Vacancies Revisited," IEW - Working Papers 351, Institute for Empirical Research in Economics - University of Zurich.
    7. James S. Costain & Michael Reiter, 2003. "Business Cycles, Unemployment Insurance, and the Calibration of Matching Models," CESifo Working Paper Series 1008, CESifo Group Munich.
    8. Guido Menzio & Shouyong Shi, 2008. "Efficient Search on the Job and the Business Cycle," Working Papers tecipa-327, University of Toronto, Department of Economics.
    9. Julio J. Rotemberg, 2008. "Cyclical Wages in a Search-and-Bargaining Model with Large Firms," NBER Chapters, in: NBER International Seminar on Macroeconomics 2006, pages 65-114 National Bureau of Economic Research, Inc.
    10. Tauchen, George, 1986. "Finite state markov-chain approximations to univariate and vector autoregressions," Economics Letters, Elsevier, vol. 20(2), pages 177-181.
    11. Robert Shimer, 2005. "The Cyclical Behavior of Equilibrium Unemployment and Vacancies," American Economic Review, American Economic Association, vol. 95(1), pages 25-49, March.
    12. Mark Gertler & Antonella Trigari, 2006. "Unemployment fluctuations with staggered Nash wage bargaining," Proceedings, Federal Reserve Bank of San Francisco.
    13. Fujita, Shigeru & Ramey, Garey, 2007. "Job matching and propagation," Journal of Economic Dynamics and Control, Elsevier, vol. 31(11), pages 3671-3698, November.
    14. Thomas Lubik & Michael Krause, 2003. "The (Ir)relevance of Real Wage Rigidity in the New Keynesian Model with Search Frictions," Economics Working Paper Archive 504, The Johns Hopkins University,Department of Economics.
    15. Andolfatto, David, 1996. "Business Cycles and Labor-Market Search," American Economic Review, American Economic Association, vol. 86(1), pages 112-32, March.
    16. Shigeru Fujita, 2005. "Vacancy Persistence," Computing in Economics and Finance 2005 191, Society for Computational Economics.
    17. Andreas Hornstein & Per Krusell & Giovanni L. Violante, 2005. "Unemployment and vacancy fluctuations in the matching model: inspecting the mechanism," Economic Quarterly, Federal Reserve Bank of Richmond, issue Sum, pages 19-50.
    18. Merz, Monika, 1995. "Search in the labor market and the real business cycle," Journal of Monetary Economics, Elsevier, vol. 36(2), pages 269-300, November.
    19. Krause, Michael U. & Lubik, Thomas A., 2006. "The cyclical upgrading of labor and on-the-job search," Labour Economics, Elsevier, vol. 13(4), pages 459-477, August.
    20. Yashiv, Eran, 2006. "Evaluating the Performance of the Search and Matching Model," IZA Discussion Papers 1931, Institute for the Study of Labor (IZA).
    21. Mortensen, Dale T & Pissarides, Christopher A, 1994. "Job Creation and Job Destruction in the Theory of Unemployment," Review of Economic Studies, Wiley Blackwell, vol. 61(3), pages 397-415, July.
    22. Christopher A. Pissarides, 2000. "Equilibrium Unemployment Theory, 2nd Edition," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262161877, June.
    23. Harold L. Cole & Richard Rogerson, 1996. "Can the Mortonson-Pissarides matching model match the business cycle facts?," Staff Report 224, Federal Reserve Bank of Minneapolis.
    24. Robert E. Hall, 2006. "The labor market and macro volatility: a nonstationary general-equilibrium analysis," Proceedings, Federal Reserve Bank of San Francisco.
    25. Moscarini, Giuseppe & Thomsson, Kaj, 2006. "Occupational and Job Mobility in the US," Working Papers 19, Yale University, Department of Economics.
    26. Pissarides, Christopher A, 1994. "Search Unemployment with On-the-Job Search," Review of Economic Studies, Wiley Blackwell, vol. 61(3), pages 457-75, July.
    27. Shigeru Fujita & Christopher J. Nekarda & Garey Ramey, 2007. "The cyclicality of worker flows: new evidence from the SIPP," Working Papers 07-5, Federal Reserve Bank of Philadelphia.
    28. Guido Menzio & Shouyong Shi, 2008. "Efficient Search on the Job and the Business Cycle, Second Version," PIER Working Paper Archive 09-010, Penn Institute for Economic Research, Department of Economics, University of Pennsylvania, revised 28 Feb 2009.
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