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Employment Fluctuations with Downward Wage Rigidity: The Role of Moral Hazard

  • Costain, James


    (Bank of Spain)

  • Jansen, Marcel


    (Universidad Autónoma de Madrid)

This paper studies the cyclical dynamics of Mortensen and Pissarides' (1994) model of job creation and destruction when workers' effort is not perfectly observable, as in Shapiro and Stiglitz (1984). An occasionally-binding no-shirking constraint truncates the real wage distribution from below, making firms' share of surplus weakly procyclical, and may thus amplify fluctuations in hiring. It may also cause a burst of inefficient firing at the onset of a recession, separating matches that no longer have sufficient surplus for incentive compatibility. On the other hand, since marginal workers in booms know firms cannot commit to keep them in recessions, they place little value on their jobs and are expensive to motivate. For a realistic calibration, this last effect is by far the strongest; even a moderate degree of moral hazard can eliminate all fluctuation in the separation rate. This casts doubt on Ramey and Watson's (1997) "contractual fragility" mechanism, and means worker moral hazard only makes the "unemployment volatility puzzle" worse. However, moral hazard has potential to explain other labor market facts, because it is consistent with small but clearly countercyclical fluctuations in separation rates, and a robust Beveridge curve.

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Paper provided by Institute for the Study of Labor (IZA) in its series IZA Discussion Papers with number 4344.

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Length: 45 pages
Date of creation: Aug 2009
Date of revision:
Publication status: published in: Scandinavian Journal of Economics, special issue: "Price and Wage Dynamics", 2010, 112(4), 782-811
Handle: RePEc:iza:izadps:dp4344
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  1. Kangwoo Park, 2007. "Labor-Market Implications of Contracts under Moral Hazard," 2007 Meeting Papers 277, Society for Economic Dynamics.
  2. Kimball, Miles S, 1994. "Labor-Market Dynamics When Unemployment is a Worker Discipline Device," American Economic Review, American Economic Association, vol. 84(4), pages 1045-59, September.
  3. Robert Shimer, 2005. "The Cyclical Behavior of Equilibrium Unemployment and Vacancies," American Economic Review, American Economic Association, vol. 95(1), pages 25-49, March.
  4. Costain, James S. & Reiter, Michael, 2008. "Business cycles, unemployment insurance, and the calibration of matching models," Journal of Economic Dynamics and Control, Elsevier, vol. 32(4), pages 1120-1155, April.
  5. Christian Haefke & Marcus Sonntag & Thijs van Rens, 2012. "Wage Rigidity and Job Creation," Working Papers 629, Barcelona Graduate School of Economics.
  6. Hagedorn, Marcus & Manovskii, Iourii, 2008. "The cyclical behavior of equilibrium unemployment and vacancies revisited," Working Paper Series 0853, European Central Bank.
  7. Cole, Harold L & Rogerson, Richard, 1999. "Can the Mortensen-Pissarides Matching Model Match the Business-Cycle Facts?," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 40(4), pages 933-59, November.
  8. Dale T. Mortensen & Christopher A. Pissarides, 1994. "Job Creation and Job Destruction in the Theory of Unemployment," Review of Economic Studies, Oxford University Press, vol. 61(3), pages 397-415.
  9. Veronica Guerrieri & Robert Shimer & Randall Wright, 2009. "Adverse Selection in Competitive Search Equilibrium," NBER Working Papers 14915, National Bureau of Economic Research, Inc.
  10. MacLeod, W Bentley & Malcomson, James M, 1989. "Implicit Contracts, Incentive Compatibility, and Involuntary Unemployment," Econometrica, Econometric Society, vol. 57(2), pages 447-80, March.
  11. Shigeru Fujita & Garey Ramey, 2007. "The cyclicality of separation and job finding rates," Working Papers 07-19, Federal Reserve Bank of Philadelphia.
  12. Guillaume ROCHETEAU, 2000. "Equilibrium Unemployment and Wage Formation with Matching Frictions and Worker Moral Hazard," Cahiers de Recherches Economiques du Département d'Econométrie et d'Economie politique (DEEP) 00.07, Université de Lausanne, Faculté des HEC, DEEP.
  13. Robert Shimer, 2007. "Reassessing the Ins and Outs of Unemployment," NBER Working Papers 13421, National Bureau of Economic Research, Inc.
  14. Dale T. Mortensen & Eva Nagypal, 2005. "More on Unemployment and Vacancy Fluctuations," NBER Working Papers 11692, National Bureau of Economic Research, Inc.
  15. Christopher A. Pissarides & Barbara Petrongolo, 2001. "Looking into the Black Box: A Survey of the Matching Function," Journal of Economic Literature, American Economic Association, vol. 39(2), pages 390-431, June.
  16. Krause, Michael U. & Lubik, Thomas A., 2007. "The (ir)relevance of real wage rigidity in the New Keynesian model with search frictions," Journal of Monetary Economics, Elsevier, vol. 54(3), pages 706-727, April.
  17. Walsh, Carl E., 2003. "Labor Market Search, Sticky Prices, and Interest Rate Policies," Santa Cruz Center for International Economics, Working Paper Series qt6tg550dv, Center for International Economics, UC Santa Cruz.
  18. Gary Solon & Ryan Michaels & Michael W. L. Elsby, 2009. "The Ins and Outs of Cyclical Unemployment," American Economic Journal: Macroeconomics, American Economic Association, vol. 1(1), pages 84-110, January.
  19. Morten O. Ravn, 2006. "The Consumption-Tightness Puzzle," NBER Working Papers 12421, National Bureau of Economic Research, Inc.
  20. Robert E. Hall, 2005. "Employment Efficiency and Sticky Wages: Evidence from Flows in the Labor Market," NBER Working Papers 11183, National Bureau of Economic Research, Inc.
  21. Rustichini, Aldo, 1998. "Dynamic Programming Solution of Incentive Constrained Problems," Journal of Economic Theory, Elsevier, vol. 78(2), pages 329-354, February.
  22. Barro, Robert J., 1977. "Long-term contracting, sticky prices, and monetary policy," Journal of Monetary Economics, Elsevier, vol. 3(3), pages 305-316, July.
  23. Robert E. Hall, 2005. "Employment Fluctuations with Equilibrium Wage Stickiness," American Economic Review, American Economic Association, vol. 95(1), pages 50-65, March.
  24. Garey Ramey & Joel Watson, 1997. "Contractual Fragility, Job Destruction, and Business Cycles," The Quarterly Journal of Economics, Oxford University Press, vol. 112(3), pages 873-911.
  25. Gomme, Paul, 1999. "Shirking, Unemployment and Aggregate Fluctuations," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 40(1), pages 3-21, February.
  26. Kirk White & Arpad Abraham, 2004. "The Dynamics of Plant-level Productivity in U.S. Manufacturing," Computing in Economics and Finance 2004 332, Society for Computational Economics.
  27. John Kennan, 2005. "Private Information, Wage Bargaining and Employment Fluctuations," 2005 Meeting Papers 555, Society for Economic Dynamics.
  28. Robert Shimer, 2004. "The Consequences of Rigid Wages in Search Models," NBER Working Papers 10326, National Bureau of Economic Research, Inc.
  29. Michael T. Kiley, 1997. "Efficiency wages, nominal rigidities, and the cyclical behavior of real wages and marginal cost," Finance and Economics Discussion Series 1997-24, Board of Governors of the Federal Reserve System (U.S.).
  30. Wouter J. den Haan & Garey Ramey & Joel Watson, 1999. "Contract-Theoretic Approaches to Wages and Displacement," NBER Working Papers 6972, National Bureau of Economic Research, Inc.
  31. Danthine, Jean-Pierre & Donaldson, John B., 1990. "Efficiency wages and the business cycle puzzle," European Economic Review, Elsevier, vol. 34(7), pages 1275-1301, November.
  32. Shigeru Fujita, 2004. "Vacancy persistence," Working Papers 04-23, Federal Reserve Bank of Philadelphia.
  33. Mark Gertler & Antonella Trigari, 2006. "Unemployment Fluctuations with Staggered Nash Wage Bargaining," Computing in Economics and Finance 2006 525, Society for Computational Economics.
  34. Steven J. Davis & John C. Haltiwanger & Scott Schuh, 1998. "Job Creation and Destruction," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262540932, December.
  35. Mortensen, Dale T & Pissarides, Christopher, 1999. "New Developments in Models of Search in the Labour Market," CEPR Discussion Papers 2053, C.E.P.R. Discussion Papers.
  36. Arthur J. Hosios, 1990. "On The Efficiency of Matching and Related Models of Search and Unemployment," Review of Economic Studies, Oxford University Press, vol. 57(2), pages 279-298.
  37. Bjoern Bruegemann & Giuseppe Moscarini, 2007. "Rent Rigidity, Asymmetric Information, and Volatility Bounds in Labor Markets," NBER Working Papers 13030, National Bureau of Economic Research, Inc.
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