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Environmental policies in a differentiated oligopoly revisited

  • Fujiwara, Kenji

Constructing a model of polluting oligopoly with product differentiation, we consider how product differentiation, together with the presence and absence of free entry, affects optimal pollution tax/subsidy policies. The sign of the short- and long-run optimal pollution taxes are highly sensitive to the parameter measuring product differentiation as well as the presence of free entry. How they are affected by a change in product differentiation, which is not addressed in the existing literature, is also made clear.

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

Volume (Year): 31 (2009)
Issue (Month): 3 (August)
Pages: 239-247

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Handle: RePEc:eee:resene:v:31:y:2009:i:3:p:239-247
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  1. Gianmarco Ottaviano & Takatoshi Tabuchi & Jacques-FranÁois Thisse, 2002. "Agglomeration and Trade Revisited," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 43(2), pages 409-436, May.
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  3. Sajal Lahiri & Yoshiyasu Ono, 2007. "Relative Emission Standard versus Tax under Oligopoly: The Role of Free Entry," Journal of Economics, Springer, vol. 91(2), pages 107-128, June.
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  8. Xavier Vives, 2001. "Oligopoly Pricing: Old Ideas and New Tools," MIT Press Books, The MIT Press, edition 1, volume 1, number 026272040x, December.
  9. Xiangkang Yin, 2003. "Corrective Taxes under Oligopoly with Inter-Firm Externalities," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 26(2), pages 269-277, October.
  10. Sajal Lahiri & George Symeonidis, 2007. "Piecemeal Multilateral Environmental Policy Reforms under Asymmetric Oligopoly," Journal of Public Economic Theory, Association for Public Economic Theory, vol. 9(5), pages 885-899, October.
  11. R. Simpson, 1995. "Optimal pollution taxation in a Cournot duopoly," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 6(4), pages 359-369, December.
  12. Toshimitsu, Tsuyoshi, 2008. "On the effects of emission standards as a non-tariff barrier to trade in the case of a foreign Bertrand duopoly: A note," Resource and Energy Economics, Elsevier, vol. 30(4), pages 578-584, December.
  13. Kotaro Suzumura & Kazuharu Kiyono, 1987. "Entry Barriers and Economic Welfare," Review of Economic Studies, Oxford University Press, vol. 54(1), pages 157-167.
  14. N. Gregory Mankiw & Michael D. Whinston, 1986. "Free Entry and Social Inefficiency," RAND Journal of Economics, The RAND Corporation, vol. 17(1), pages 48-58, Spring.
  15. Cellini, Roberto & Lambertini, Luca & Ottaviano, Gianmarco I. P., 2004. "Welfare in a differentiated oligopoly with free entry: a cautionary note," Research in Economics, Elsevier, vol. 58(2), pages 125-133, June.
  16. Toshimitsu, Tsuyoshi, 2008. "Effect of a tariff on the environment and welfare: The case of an environmental differentiated duopoly in a Green Market," Japan and the World Economy, Elsevier, vol. 20(1), pages 114-128, January.
  17. Katsoulacos, Yannis & Xepapadeas, Anastasios, 1995. " Environmental Policy under Oligopoly with Endogenous Market Structure," Scandinavian Journal of Economics, Wiley Blackwell, vol. 97(3), pages 411-20, September.
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