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Equilibrium labour turnover, firm growth and unemployment

  • Coles, Melvyn G.
  • Mortensen, Dale T.

This paper identifies a data-consistent, equilibrium model of unemployment, wage dispersion, quit turnover and firm growth dynamics. In a separating equilibrium, more productive firms signal their type by paying strictly higher wages in every state of the market. Workers optimally quit to firms paying a higher wage and so move effciently from less to more productive firms. Start-up firms are initially small and grow endogenously over time. Consistent with Gibrat's law, individual firm growth rates depend on firm productivity but not on firm size. Aggregate unemployment evolves endogenously. Restrictions are identified so that the model is consistent with empirical wage distributions.

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File URL: https://www.iser.essex.ac.uk/research/publications/working-papers/iser/2012-07.pdf
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Paper provided by Institute for Social and Economic Research in its series ISER Working Paper Series with number 2012-07.

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Date of creation: 30 Mar 2012
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Publication status: published
Handle: RePEc:ese:iserwp:2012-07
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  1. Melvyn G. Coles & Dale T. Mortensen, 2016. "Equilibrium Labor Turnover, Firm Growth, and Unemployment," Econometrica, Econometric Society, vol. 84, pages 347-363, 01.
  2. Jean-Marc Robin, 2010. "On the dynamics of unemployment and wage distributions," CeMMAP working papers CWP04/10, Centre for Microdata Methods and Practice, Institute for Fiscal Studies.
  3. Christopher A. Pissarides, 2000. "Equilibrium Unemployment Theory, 2nd Edition," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262161877, March.
  4. Guido Menzio & Shouyong Shi, 2010. "Directed Search on the Job, Heterogeneity, and Aggregate Fluctuations," Working Papers tecipa-390, University of Toronto, Department of Economics.
  5. Weiss, Andrew W, 1980. "Job Queues and Layoffs in Labor Markets with Flexible Wages," Journal of Political Economy, University of Chicago Press, vol. 88(3), pages 526-38, June.
  6. Merz, Monika & Yashiv, Eran, 2003. "Labor and the Market Value of the Firm," IZA Discussion Papers 965, Institute for the Study of Labor (IZA).
  7. John C. Haltiwanger & Ron S. Jarmin & Javier Miranda, 2010. "Who Creates Jobs? Small vs. Large vs. Young," NBER Working Papers 16300, National Bureau of Economic Research, Inc.
  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. Rasmus Lentz & Dale T. Mortensen, 2005. "An Empirical Model of Growth Through Product Innovation," Boston University - Department of Economics - Working Papers Series WP2005-004, Boston University - Department of Economics.
  10. McAfee, R. Preston & McMillan, John, 1987. "Auctions with a stochastic number of bidders," Journal of Economic Theory, Elsevier, vol. 43(1), pages 1-19, October.
  11. Fabien Postel-Vinay & Giuseppe Moscarini, 2013. "Stochastic Search Equilibrium," 2013 Meeting Papers 159, Society for Economic Dynamics.
  12. Burdett, Kenneth & Judd, Kenneth L, 1983. "Equilibrium Price Dispersion," Econometrica, Econometric Society, vol. 51(4), pages 955-69, July.
  13. Melvyn G. Coles, 2001. "Equilibrium Wage Dispersion, Firm Size and Growth," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 4(1), pages 159-187, January.
  14. Robert E. Lucas & Jr., 1967. "Adjustment Costs and the Theory of Supply," Journal of Political Economy, University of Chicago Press, vol. 75, pages 321.
  15. Tor Jakob Klette & Samuel Kortum, 2004. "Innovating Firms and Aggregate Innovation," Journal of Political Economy, University of Chicago Press, vol. 112(5), pages 986-1018, October.
  16. repec:spo:wpecon:info:hdl:2441/eu4vqp9ompqllr09j003nctkn is not listed on IDEAS
  17. Robert Shimer, 2005. "The Cyclical Behavior of Equilibrium Unemployment and Vacancies," American Economic Review, American Economic Association, vol. 95(1), pages 25-49, March.
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