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Losses from competition in a dynamic game model of a renewable resource oligopoly

  • Fujiwara, Kenji

This article develops a dynamic game model of an asymmetric oligopoly with a renewable resource to reconsider welfare effects of increases in the number of firms. We show that increasing not only the number of inefficient firms but also that of efficient firms reduces welfare, which sharply contrasts to a static outcome. It is discussed that the closed-loop property of feedback strategies plays a decisive role in this finding.

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Article provided by Elsevier in its journal Resource and Energy Economics.

Volume (Year): 33 (2011)
Issue (Month): 1 (January)
Pages: 1-11

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Handle: RePEc:eee:resene:v:33:y:2011:i:1:p:1-11
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  1. Tornell, Aaron & Velasco, Andes, 1992. "The Tragedy of the Commons and Economic Growth: Why Does Capital Flow from Poor to Rich Countries?," Journal of Political Economy, University of Chicago Press, vol. 100(6), pages 1208-31, December.
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  8. Dockner,Engelbert J. & Jorgensen,Steffen & Long,Ngo Van & Sorger,Gerhard, 2000. "Differential Games in Economics and Management Science," Cambridge Books, Cambridge University Press, number 9780521637329.
  9. Tsutsui, Shunichi & Mino, Kazuo, 1990. "Nonlinear strategies in dynamic duopolistic competition with sticky prices," Journal of Economic Theory, Elsevier, vol. 52(1), pages 136-161, October.
  10. Dockner Engelbert J. & Van Long Ngo, 1993. "International Pollution Control: Cooperative versus Noncooperative Strategies," Journal of Environmental Economics and Management, Elsevier, vol. 25(1), pages 13-29, July.
  11. Ngo Van Long & Shengzu Wang, 2008. "Resource-Grabbing By Status-Conscious Agents," Departmental Working Papers 2008-08, McGill University, Department of Economics.
  12. Shimomura, Koji, 1991. "The feedback equilibria of a differential game of capitalism," Journal of Economic Dynamics and Control, Elsevier, vol. 15(2), pages 317-338, April.
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  14. Lahiri, Sajal & Ono, Yoshiyasu, 1988. "Helping Minor Firms Reduces Welfare," Economic Journal, Royal Economic Society, vol. 98(393), pages 1199-1202, December.
  15. Benchekroun, Hassan, 2003. "Unilateral production restrictions in a dynamic duopoly," Journal of Economic Theory, Elsevier, vol. 111(2), pages 214-239, August.
  16. Benchekroun, Hassan & Van Long, Ngo, 2002. "Transboundary Fishery: A Differential Game Model," Economica, London School of Economics and Political Science, vol. 69(274), pages 207-21, May.
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