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A Statistical Equilibrium Model of Competitive Firms

  • Irle, Albrecht
  • Milaković, Mishael
  • Alfarano, Simone
  • Kauschke, Jonas

We argue that the complex interactions of competitive heterogeneous firms lead to a statistical equilibrium distribution of firms? profit rates, which turns out to be an exponential power (or Subbotin) distribution. Moreover, we construct a diffusion process that has the Subbotin distribution as its stationary probability density, leading to a phenomenologically inspired interpretation of variations in the shape parameter of the statistical equilibrium distribution. Our main finding is that firms? idiosyncratic efforts and the tendency for competition to equalize profit rates are two sides of the same coin.

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File URL: http://econstor.eu/bitstream/10419/22055/1/EWP-2008-10.pdf
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Paper provided by Christian-Albrechts-University of Kiel, Department of Economics in its series Economics Working Papers with number 2008,10.

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Date of creation: 2008
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Handle: RePEc:zbw:cauewp:7362
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Web page: http://www.wiso.uni-kiel.de/econ/

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  2. Glen, Jack & Lee, Kevin & Singh, Ajit, 2001. "Persistence of profitability and competition in emerging markets," Economics Letters, Elsevier, vol. 72(2), pages 247-253, August.
  3. Giulio Bottazzi & Elena Cefis & Giovanni Dosi, 2002. "Corporate growth and industrial structures: some evidence from the Italian manufacturing industry," Industrial and Corporate Change, Oxford University Press, vol. 11(4), pages 705-723, August.
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  7. Xavier Gabaix, 2005. "The Granular Origins of Aggregate Fluctuations," 2005 Meeting Papers 470, Society for Economic Dynamics.
  8. Castaldi, Carolina & Milakovic, Mishael, 2007. "Turnover activity in wealth portfolios," Journal of Economic Behavior & Organization, Elsevier, vol. 63(3), pages 537-552, July.
  9. Giorgio Fagiolo & Lucia Alessi & Matteo Barigozzi & Marco Capasso, 2007. "On the distributional properties of household consumption expenditures. The case of Italy," LEM Papers Series 2007/24, Laboratory of Economics and Management (LEM), Sant'Anna School of Advanced Studies, Pisa, Italy.
  10. Jack Glen & Kevin Lee & Ajit Singh, 2002. "Corporate profitability and the dynamics of competition in emerging markets: a time series analysis," ESRC Centre for Business Research - Working Papers wp248, ESRC Centre for Business Research.
  11. Giorgio Fagiolo & Mauro Napoletano & Andrea Roventini, 2006. "Are Output Growth-Rate Distributions Fat-Tailed? Some Evidence from OECD Countries," LEM Papers Series 2006/23, Laboratory of Economics and Management (LEM), Sant'Anna School of Advanced Studies, Pisa, Italy.
  12. Giulio Bottazzi & Angelo Secchi, 2003. "Common Properties and Sectoral Specificities in the Dynamics of U.S. Manufacturing Companies," Review of Industrial Organization, Springer, vol. 23(3), pages 217-232, December.
  13. Adelina Gschwandtner, 2004. "Profit Persistence in the "Very" Long Run: Evidence from Survivors and Exiters," Vienna Economics Papers 0401, University of Vienna, Department of Economics.
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  15. Wagner, Friedrich & Milaković, Mishael & Alfarano, Simone, 2010. "Firm profitability and the network of organizational capabilities," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 389(21), pages 4769-4775.
  16. Alfarano, Simone & Milakovic, Mishael, 2008. "Does classical competition explain the statistical features of firm growth?," Economics Letters, Elsevier, vol. 101(3), pages 272-274, December.
  17. G. Bottazzi & E. Cefis & G. Dosi & A. Secchi, 2007. "Invariances and Diversities in the Patterns of Industrial Evolution: Some Evidence from Italian Manufacturing Industries," Small Business Economics, Springer, vol. 29(1), pages 137-159, June.
  18. Giulio Bottazzi & Angelo Secchi & Federico Tamagni, 2008. "Productivity, profitability and financial performance," Industrial and Corporate Change, Oxford University Press, vol. 17(4), pages 711-751, August.
  19. Foley Duncan K., 1994. "A Statistical Equilibrium Theory of Markets," Journal of Economic Theory, Elsevier, vol. 62(2), pages 321-345, April.
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  21. Vickers, John, 1995. "Concepts of Competition," Oxford Economic Papers, Oxford University Press, vol. 47(1), pages 1-23, January.
  22. Stutzer, Michael, 1996. " A Simple Nonparametric Approach to Derivative Security Valuation," Journal of Finance, American Finance Association, vol. 51(5), pages 1633-52, December.
  23. Goddard, J. A. & Wilson, J. O. S., 1999. "The persistence of profit: a new empirical interpretation," International Journal of Industrial Organization, Elsevier, vol. 17(5), pages 663-687, July.
  24. Maruyama, Nobuhiro & Odagiri, Hiroyuki, 2002. "Does the 'persistence of profits' persist?: a study of company profits in Japan, 1964-97," International Journal of Industrial Organization, Elsevier, vol. 20(10), pages 1513-1533, December.
  25. Geroski, Paul A & Jacquemin, Alexis, 1988. "The Persistence of Profits: A European Comparison," Economic Journal, Royal Economic Society, vol. 98(391), pages 375-89, June.
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