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Estimating The Size Distribution Of Firms Using Government Summary Statistics

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Author Info
Amos GOLAN
George JUDGE
Jeffrey M. PERLOFF ()

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Abstract

Using a maximum entropy technique, we estimate the market shares of each firm in an industry using the available government summary statistics such as the four-firm concentration ratio (C4) and the Herfindahl-Hirschmann Index (HHI). We show that our technique is very effective in estimating the distribution of market shares in 20 industries. Our results provide support for the recent practice of using HHI rather than C4 as the key explanatory variable in many market power studies, if only one measure is to be used.

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Paper provided by Department of Agricultural & Resource Economics, UC Berkeley in its series Department of Agricultural & Resource Economics, UC Berkeley, Working Paper Series with number 696.

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Date of revision: Apr 1995
Handle: RePEc:cdl:agrebk:696

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  1. Kwoka, John E, Jr, 1979. "The Effect of Market Share Distribution on Industry Performance," The Review of Economics and Statistics, MIT Press, vol. 61(1), pages 101-09, February. [Downloadable!] (restricted)
  2. Jacquemin, Alexis P & Berry, Charles H, 1979. "Entropy Measure of Diversification and Corporate Growth," Journal of Industrial Economics, Blackwell Publishing, vol. 27(4), pages 359-69, June. [Downloadable!] (restricted)
  3. Zellner, A., 1988. "Optimal Information-Processing And Bayes' Theorem," Papers m8803, Southern California - Department of Economics.
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  1. Msangi, Siwa & Howitt, Richard E., 2006. "Estimating Disaggregate Production Functions: An Application to Northern Mexico," 2006 Annual meeting, July 23-26, Long Beach, CA 21080, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association). [Downloadable!]
  2. Rigoberto Lopez & Azzeddine Azzam & Carmen Lirón-España, 2002. "Market Power and/or Efficiency: A Structural Approach," Review of Industrial Organization, Springer, vol. 20(2), pages 115-126, March. [Downloadable!] (restricted)
  3. Howitt, Richard E. & Msangi, Siwa, 2002. "Reconstructing Disaggregate Production Functions," 2002 Annual meeting, July 28-31, Long Beach, CA 19585, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association). [Downloadable!]
  4. Ximing Wu & Jeffrey Perloff & Amos Golan, 2002. "Effects of Government Policies on Income Distribution and Welfare," Department of Agricultural & Resource Economics, UC Berkeley, Working Paper Series 950, Department of Agricultural & Resource Economics, UC Berkeley. [Downloadable!]
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  5. Lopez, Rigoberto A. & Azzam, Azzeddine M. & Liron-Espana, Carmen, 2001. "Market Power and/or Efficiency: An Application to U.S. Food Processing," Research Reports 25160, University of Connecticut, Food Marketing Policy Center. [Downloadable!]
  6. Steven C. Michael, 2009. "Entrepreneurial signaling to attract resources: the case of franchising," Managerial and Decision Economics, John Wiley & Sons, Ltd., vol. 30(6), pages 405-422. [Downloadable!]
  7. Liron-Espana, Carmen & Lopez, Rigoberto A., 2001. "When is Concentration Beneficial?," Research Reports 25201, University of Connecticut, Food Marketing Policy Center. [Downloadable!]
  8. Sunila George & Raghbendra Jha & Hari K. Nagarajan, 2002. "The Evolution and Structure of the Two-wheeler Industry in India," ASARC Working Papers 2002-02, Australian National University, Australia South Asia Research Centre. [Downloadable!]
  9. Bhuyan, Sanjib & Lopez, Rigoberto A., 1998. "What Determines Welfare Losses From Oligopoly Power In The Food And Tobacco Industries?," Agricultural and Resource Economics Review, Northeastern Agricultural and Resource Economics Association, vol. 27(2), October. [Downloadable!]
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