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Mixed oligopoly with consumer-friendly public firms

  • Roy Chowdhury, Prabal

We consider a mixed oligopoly with a public firm that maximizes the sum of its own profits and consumers' surplus. We characterize the unique pure strategy equilibrium and show that as long as the cost function is not ``too concave'', privatization reduces welfare. We find that while the first best cannot be implemented using a tax/subsidy policy that is the same for all firms, a budget-balancing policy that involves a tax on the public firm, coupled with subsidies to the private firms, can do so. Further, the optimal tax/subsidy policy is critically dependent on whether there is privatization or not.

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File URL: http://mpra.ub.uni-muenchen.de/4255/1/MPRA_paper_4255.pdf
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Paper provided by University Library of Munich, Germany in its series MPRA Paper with number 4255.

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Date of creation: Jul 2007
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Handle: RePEc:pra:mprapa:4255
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  1. White, Mark D., 1996. "Mixed oligopoly, privatization and subsidization," Economics Letters, Elsevier, vol. 53(2), pages 189-195, November.
  2. Gareth Myles, 2002. "Mixed oligopoly, subsidization and the order of firms' moves: an irrelevance result for the general case," Economics Bulletin, AccessEcon, vol. 12(1), pages 1-6.
  3. Kolstad, Charles D & Mathiesen, Lars, 1987. "Necessary and Sufficient Conditions for Uniqueness of a Cournot Equilibrium," Review of Economic Studies, Wiley Blackwell, vol. 54(4), pages 681-90, October.
  4. de Fraja, Giovanni & Delbono, Flavio, 1989. "Alternative Strategies of a Public Enterprise in Oligopoly," Oxford Economic Papers, Oxford University Press, vol. 41(2), pages 302-11, April.
  5. Fjell, Kenneth & Heywood, John S., 2004. "Mixed oligopoly, subsidization and the order of firm's moves: the relevance of privatization," Economics Letters, Elsevier, vol. 83(3), pages 411-416, June.
  6. Kato, Kazuhiko & Tomaru, Yoshihiro, 2007. "Mixed oligopoly, privatization, subsidization, and the order of firms' moves: Several types of objectives," Economics Letters, Elsevier, vol. 96(2), pages 287-292, August.
  7. Joanna Poyago-Theotoky, 2001. "Mixed oligopoly, subsidization and the order of firms' moves: an irrelevance result," Economics Bulletin, AccessEcon, vol. 12(3), pages 1-5.
  8. repec:ebl:ecbull:v:12:y:2002:i:1:p:1-6 is not listed on IDEAS
  9. Matsumura, Toshihiro, 1998. "Partial privatization in mixed duopoly," Journal of Public Economics, Elsevier, vol. 70(3), pages 473-483, December.
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