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Non Price Interaction and Business Fluctuations in an Agent Based Model of Firms’ Demography

  • Roberto Leombruni

This paper presents some artificial stylised facts emerging in a simulated contestable market where firms interact with each other in taking their stay or go decision. I use nearly zero-intelligence firms: no optimisation is considered, and all the firms sell at a fixed price an equal quantity of the good. The entry of new firms is triggered by the overall profitability of the market, measured by the spread between the average rate of profit and the interest rate. The exit decision is modelled via a mean field effect, to take into account in the decision process both the performance of the individual firm, and the information about the profitability of the market that can be abduced looking at the stay or go decision of the other firms. Financial requirements of production are considered, with a spread between creditor and debtor interest rates. The model is simulated with an ACE approach, using the Swarm libraries released by the Santa Fe Institute.

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Paper provided by LABORatorio R. Revelli, Centre for Employment Studies in its series LABORatorio R. Revelli Working Papers Series with number 17.

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Length: 22 pages
Date of creation: 2002
Date of revision:
Handle: RePEc:cca:wplabo:17
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  1. Hopenhayn, Hugo A, 1992. "Entry, Exit, and Firm Dynamics in Long Run Equilibrium," Econometrica, Econometric Society, vol. 60(5), pages 1127-50, September.
  2. John C. Haltiwanger, 1997. "Measuring and analyzing aggregate fluctuations: the importance of building from microeconomic evidence," Review, Federal Reserve Bank of St. Louis, issue May, pages 55-78.
  3. Richard E. Caves, 1998. "Industrial Organization and New Findings on the Turnover and Mobility of Firms," Journal of Economic Literature, American Economic Association, vol. 36(4), pages 1947-1982, December.
  4. Robert E. Lucas Jr., 1978. "On the Size Distribution of Business Firms," Bell Journal of Economics, The RAND Corporation, vol. 9(2), pages 508-523, Autumn.
  5. Raghuram G. Rajan & Luigi Zingales, 1996. "Financial Dependence and Growth," NBER Working Papers 5758, National Bureau of Economic Research, Inc.
  6. Satyajit Chatterjee & Russell Cooper, 1993. "Entry and Exit, Product Variety and the Business Cycle," NBER Working Papers 4562, National Bureau of Economic Research, Inc.
  7. Evans, David S, 1987. "The Relationship between Firm Growth, Size, and Age: Estimates for 100 Manufacturing Industries," Journal of Industrial Economics, Wiley Blackwell, vol. 35(4), pages 567-81, June.
  8. Brock, William A & Durlauf, Steven N, 2001. "Discrete Choice with Social Interactions," Review of Economic Studies, Wiley Blackwell, vol. 68(2), pages 235-60, April.
  9. Stephen Hymer & Peter Pashigian, 1962. "Firm Size and Rate of Growth," Journal of Political Economy, University of Chicago Press, vol. 70, pages 556.
  10. Dunne, T. & Roberts, M.J. & Samuelson, L., 1988. "Pattenrs Of Firm Entry And Exit In U.S. Manufacturing Industries," Papers 1-88-2, Pennsylvania State - Department of Economics.
  11. SEHSHINSKI, Eytan & DREZE, Jacques H., . "Demand fluctuations, capacity utilization and costs," CORE Discussion Papers RP -279, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  12. F. Lotti & E. Santarelli, 2001. "Industry Dynamics and the Distiribution of Firm Sizes: A Non-Parametric Apporoach," Working Papers 406, Dipartimento Scienze Economiche, Universita' di Bologna.
  13. Gode, Dhananjay K & Sunder, Shyam, 1993. "Allocative Efficiency of Markets with Zero-Intelligence Traders: Market as a Partial Substitute for Individual Rationality," Journal of Political Economy, University of Chicago Press, vol. 101(1), pages 119-37, February.
  14. Greenwald, Bruce C & Stiglitz, Joseph E, 1993. "Financial Market Imperfections and Business Cycles," The Quarterly Journal of Economics, MIT Press, vol. 108(1), pages 77-114, February.
  15. Gode, Dhananjay K & Sunder, Shyam, 1997. "What Makes Markets Allocationally Efficient?," The Quarterly Journal of Economics, MIT Press, vol. 112(2), pages 603-30, May.
  16. Bernanke, Ben & Gertler, Mark, 1989. "Agency Costs, Net Worth, and Business Fluctuations," American Economic Review, American Economic Association, vol. 79(1), pages 14-31, March.
  17. Alan P. Kirman, 1992. "Whom or What Does the Representative Individual Represent?," Journal of Economic Perspectives, American Economic Association, vol. 6(2), pages 117-136, Spring.
  18. Francesca Lotti & Enrico Santarelli, 2004. "Industry Dynamics and the Distribution of Firm Sizes: A Nonparametric Approach," Southern Economic Journal, Southern Economic Association, vol. 70(3), pages 443-466, January.
  19. Jovanovic, Boyan, 1982. "Selection and the Evolution of Industry," Econometrica, Econometric Society, vol. 50(3), pages 649-70, May.
  20. Bernanke, Ben & Gertler, Mark, 1990. "Financial Fragility and Economic Performance," The Quarterly Journal of Economics, MIT Press, vol. 105(1), pages 87-114, February.
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