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A Search Model of Unemployment and Firm Dynamics

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  • Matteo Richiardi

Abstract

An urn-ball probabilistic model of the labour market is developed. Agents can be employed, (voluntary or involuntary) unemployed or entrepreneurs. The analytical long run equilibrium probabilities for each state and the matching function are derived. Then, the out-of-equilibrium dynamics are investigated through an agent-based simulation, which provides also results on firm demography. The simulation model is finally used to investigate departures from maximizing individual behaviour and the effects of more realistic assumptions about profits and the business cycle.

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Bibliographic Info

Paper provided by LABORatorio R. Revelli, Centre for Employment Studies in its series LABORatorio R. Revelli Working Papers Series with number 30.

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Length: 50 pages
Date of creation: 2003
Date of revision:
Handle: RePEc:cca:wplabo:30

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Keywords: Unemployment; Jobs; Startup; Vacancies; Search; Simulation.;

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References

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  1. Shi Shougong, 1995. "Money and Prices: A Model of Search and Bargaining," Journal of Economic Theory, Elsevier, vol. 67(2), pages 467-496, December.
  2. Shimer, R. & Smith, L., 1997. "Assortative Matching and Search," Working papers 97-2a, Massachusetts Institute of Technology (MIT), Department of Economics.
  3. Aghion, Philippe & Howitt, Peter, 1994. "Growth and Unemployment," Review of Economic Studies, Wiley Blackwell, vol. 61(3), pages 477-94, July.
  4. Jovanovic, B. & MacDonald, G.M., 1991. "Competitive Diffusion," Papers 92-08, Rochester, Business - Financial Research and Policy Studies.
  5. Diamond, Peter A, 1982. "Wage Determination and Efficiency in Search Equilibrium," Review of Economic Studies, Wiley Blackwell, vol. 49(2), pages 217-27, April.
  6. Richard Rogerson & Robert Shimer & Randall Wright, 2004. "Search-Theoretic Models of the Labor Market-A Survey," NBER Working Papers 10655, National Bureau of Economic Research, Inc.
  7. Daniel Diermeier & Jan A. Van Mieghem, 2000. "Spontaneous Collective Action," Discussion Papers 1302, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
  8. 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.
  9. Moen, Espen R, 1997. "Competitive Search Equilibrium," Journal of Political Economy, University of Chicago Press, vol. 105(2), pages 385-411, April.
  10. Burdett, Kenneth & Coles, Melvyn G, 1999. "Long-Term Partnership Formation: Marriage and Employment," Economic Journal, Royal Economic Society, vol. 109(456), pages F307-34, June.
  11. 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.
  12. Mortensen, Dale T, 1982. "Property Rights and Efficiency in Mating, Racing, and Related Games," American Economic Review, American Economic Association, vol. 72(5), pages 968-79, December.
  13. Barbara Petrongolo & Christopher A. Pissarides, 2000. "Looking Into the Black Box: A Survey of the Matching Function," CEP Discussion Papers dp0470, Centre for Economic Performance, LSE.
  14. James Albrecht & Susan Vroman, 2000. "A Matching Model with Endogenous Skill Requirements," Econometric Society World Congress 2000 Contributed Papers 0774, Econometric Society.
  15. Diamond, Peter A., 1971. "A model of price adjustment," Journal of Economic Theory, Elsevier, vol. 3(2), pages 156-168, June.
  16. Pissarides, Christopher A, 1984. "Search Intensity, Job Advertising, and Efficiency," Journal of Labor Economics, University of Chicago Press, vol. 2(1), pages 128-43, January.
  17. Wright, Randall D, 1987. "Search, Layoffs, and Reservation Wages," Journal of Labor Economics, University of Chicago Press, vol. 5(3), pages 354-65, July.
  18. Albrecht, James W. & Gautier, Pieter A. & Vroman, Susan B., 2003. "Matching with multiple applications," Economics Letters, Elsevier, vol. 78(1), pages 67-70, January.
  19. 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.
  20. Michael Neugart, 2004. "Endogenous Matching Functions: An Agent-Based Computational Approach," Advances in Complex Systems (ACS), World Scientific Publishing Co. Pte. Ltd., vol. 7(02), pages 187-201.
  21. Jovanovic, Boyan & Rob, Rafael, 1989. "The Growth and Diffusion of Knowledge," Review of Economic Studies, Wiley Blackwell, vol. 56(4), pages 569-82, October.
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  23. Caballero, R.J. & Hammour, M.L., 1991. "The Cleansing Effect of Recessions," Discussion Papers 1991_59, Columbia University, Department of Economics.
  24. Pissarides, C A, 1984. "Efficient Job Rejection," Economic Journal, Royal Economic Society, vol. 94(376a), pages 97-108, Supplemen.
  25. Jovanovic, Boyan, 1982. "Selection and the Evolution of Industry," Econometrica, Econometric Society, vol. 50(3), pages 649-70, May.
  26. Shimer Robert & Smith Lones, 2001. "Matching, Search, and Heterogeneity," The B.E. Journal of Macroeconomics, De Gruyter, vol. 1(1), pages 1-18, April.
  27. Burdett, Ken & Coles, Melvyn G, 1997. "Marriage and Class," The Quarterly Journal of Economics, MIT Press, vol. 112(1), pages 141-68, February.
  28. Burdett, Kenneth & Mortensen, Dale T, 1980. "Search, Layoffs, and Labor Market Equilibrium," Journal of Political Economy, University of Chicago Press, vol. 88(4), pages 652-72, August.
  29. Kiyotaki, Nobuhiro & Wright, Randall, 1993. "A Search-Theoretic Approach to Monetary Economics," American Economic Review, American Economic Association, vol. 83(1), pages 63-77, March.
  30. Jovanovic, Boyan, 1979. "Job Matching and the Theory of Turnover," Journal of Political Economy, University of Chicago Press, vol. 87(5), pages 972-90, October.
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Citations

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Cited by:
  1. Matteo Richiardi, 2006. "Toward a Non-Equilibrium Unemployment Theory," Computational Economics, Society for Computational Economics, vol. 27(1), pages 135-160, February.
  2. Neugart, Michael, 2008. "Labor market policy evaluation with ACE," Journal of Economic Behavior & Organization, Elsevier, vol. 67(2), pages 418-430, August.
  3. Neugart, Michael, 2006. "Labor market policy evaluation with an agent-based model," MPRA Paper 4726, University Library of Munich, Germany.
  4. Michael Neugart & Matteo G. Richiardi, 2012. "Agent-based models of the labor market," LABORatorio R. Revelli Working Papers Series 125, LABORatorio R. Revelli, Centre for Employment Studies.

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