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Alternative Theories of Wage Dispersion

  • Damien Gaumont

    ()

    (Universite Pantheon-Assas (Paris II))

  • Martin Schindler

    ()

    (International Monetary Fund)

  • Randall Wright

    ()

    (Department of Economics, University of Pennsylvania)

We analyze labor market models where the law of one price does not hold; i.e., models with equilibrium wage dispersion. We begin assuming workers are ex ante heterogeneous, and highlight a flaw with this approach: if search is costly, the market shuts down. We then assume workers are homogeneous but matches are ex post heterogeneous. This model is robust to search costs, and delivers equilibria equilibrium wage dispersion. However, we prove the law of two prices holds: generically we cannot get more than two wages. We explore several other models, including one combining ex ante and ex post heterogeneity; this model is robust, and can deliver more than two-point wage distributions.

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Paper provided by Penn Institute for Economic Research, Department of Economics, University of Pennsylvania in its series PIER Working Paper Archive with number 05-017.

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Length: 25 pages
Date of creation: 23 Feb 2005
Date of revision:
Handle: RePEc:pen:papers:05-017
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  1. Eckstein, Zvi & Wolpin, Kenneth I, 1990. "Estimating a Market Equilibrium Search Model from Panel Data on Individuals," Econometrica, Econometric Society, vol. 58(4), pages 783-808, July.
  2. Gaumont D. & Schindler M. & Wright R., 2005. "“Alternative Theories of Wage Dispersion”," Working Papers ERMES 0505, ERMES, University Paris 2.
  3. Peter Diamond, 1987. "Consumer Differences and Prices in a Search Model," The Quarterly Journal of Economics, Oxford University Press, vol. 102(2), pages 429-436.
  4. Albrecht, James W & Axell, Bo, 1984. "An Equilibrium Model of Search Unemployment," Journal of Political Economy, University of Chicago Press, vol. 92(5), pages 824-40, October.
  5. Gerard J. van den Berg & Geert Ridder, 1998. "An Empirical Equilibrium Search Model of the Labor Market," Econometrica, Econometric Society, vol. 66(5), pages 1183-1222, September.
  6. Diamond, Peter A., 1971. "A model of price adjustment," Journal of Economic Theory, Elsevier, vol. 3(2), pages 156-168, June.
  7. Albrecht, James W & Vroman, Susan B, 1998. "Nash Equilibrium Efficiency Wage Distributions," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 39(1), pages 183-203, February.
  8. Fabien Postel-Vinay & Jean-Marc Robin, 2002. "Equilibrium Wage Dispersion with Worker and Employer Heterogeneity," Université Paris1 Panthéon-Sorbonne (Post-Print and Working Papers) hal-00357751, HAL.
  9. Ricardo Lagos, 2000. "An Alternative Approach to Search Frictions," Journal of Political Economy, University of Chicago Press, vol. 108(5), pages 851-873, October.
  10. Damien Gaumont & Martin Schindler & Randall Wright, 2006. "Equilibrium Wage Dispersion: An Example," 2006 Meeting Papers 147, Society for Economic Dynamics.
  11. Eckstein, Zvi & Mortensen, Dale T., 2006. "Labor search," European Economic Review, Elsevier, vol. 50(4), pages 807-810, May.
  12. Curtis, Elisabeth & Wright, Randall, 2004. "Price setting, price dispersion, and the value of money: or, the law of two prices," Journal of Monetary Economics, Elsevier, vol. 51(8), pages 1599-1621, November.
  13. Richard D. MacMinn, 1980. "Job Search and the Labor Dropout Problem Reconsidered," The Quarterly Journal of Economics, Oxford University Press, vol. 95(1), pages 69-87.
  14. Jafarey, Saqib & Masters, Adrian, 2003. " Output, Prices, and the Velocity of Money in Search Equilibrium," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 35(6), pages 871-88, December.
  15. Diamond, Peter A, 1982. "Aggregate Demand Management in Search Equilibrium," Journal of Political Economy, University of Chicago Press, vol. 90(5), pages 881-94, October.
  16. Kenneth Burdett & Ricardo Lagos & Randall Wright, 2002. "Crime, Inequality, and Unemployment, Second Version," PIER Working Paper Archive 03-029, Penn Institute for Economic Research, Department of Economics, University of Pennsylvania, revised 01 Sep 2003.
  17. Ken Burdett & Randall Wright, 1998. "Two-Sided Search with Nontransferable Utility," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 1(1), pages 220-245, January.
  18. Eckstein, Zvi & van den Berg, Gerard J., 2003. "Empirical Labor Search: A Survey," IZA Discussion Papers 929, Institute for the Study of Labor (IZA).
  19. Rafael Rob, 1985. "Equilibrium Price Distributions," Review of Economic Studies, Oxford University Press, vol. 52(3), pages 487-504.
  20. Dale T. Mortensen & Christopher A. Pissarides, 1993. "Job Creation and Job Destruction in the Theory of Unemployment," CEP Discussion Papers dp0110, Centre for Economic Performance, LSE.
  21. Burdett, Kenneth & Judd, Kenneth L, 1983. "Equilibrium Price Dispersion," Econometrica, Econometric Society, vol. 51(4), pages 955-69, July.
  22. James W. Albrecht & Susan B. Vroman, 1992. "Non-Existence of Single-Wage Equilibria in Search Models with Adverse Selection," Review of Economic Studies, Oxford University Press, vol. 59(3), pages 617-624.
  23. Christopher A. Pissarides, 2000. "Equilibrium Unemployment Theory, 2nd Edition," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262161877.
  24. Albrecht, James & Jovanovic, Boyan, 1985. "The Efficiency of Search Under Competition and Monopsony," Working Papers 85-15, C.V. Starr Center for Applied Economics, New York University.
  25. Diamond, Peter A, 1981. "Mobility Costs, Frictional Unemployment, and Efficiency," Journal of Political Economy, University of Chicago Press, vol. 89(4), pages 798-812, August.
  26. Masters, Adrian M, 1999. "Wage Posting in Two-Sided Search and the Minimum Wage," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 40(4), pages 809-26, November.
  27. Burdett, Kenneth & Mortensen, Dale T, 1998. "Wage Differentials, Employer Size, and Unemployment," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 39(2), pages 257-73, May.
  28. repec:inr:wpaper:155908 is not listed on IDEAS
  29. Shapiro, Carl & Stiglitz, Joseph E, 1984. "Equilibrium Unemployment as a Worker Discipline Device," American Economic Review, American Economic Association, vol. 74(3), pages 433-44, June.
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