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On Third‐Degree Price Discrimination In Oligopoly

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  • KRISHNENDU GHOSH DASTIDAR

Abstract

In this paper we analyse the effects of third‐degree price discrimination on output, profit and welfare in a symmetric cost duopoly. We provide sufficient conditions for output, profit and welfare to be higher (or lower) under third‐degree price discrimination in a duopoly, compared with a uniform price regime. Comparing our findings with the traditional results on monopoly price discrimination, we show that the output and profit effects under duopoly price discrimination are very different from those under the monopoly case. However, the welfare effects are very similar.

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  • Krishnendu Ghosh Dastidar, 2006. "On Third‐Degree Price Discrimination In Oligopoly," Manchester School, University of Manchester, vol. 74(2), pages 231-249, March.
    • Handle: RePEc:bla:manchs:v:74:y:2006:i:2:p:231-249
    DOI: 10.1111/j.1467-9957.2006.00490.x
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    Cited by:

    1. Amarjyoti Mahanta, 2016. "Contemporaneous Most-Favoured-Customer Pricing Policy vs. Price Discrimination in a Differentiated Product Duopoly Market," Economics Bulletin, AccessEcon, vol. 36(1), pages 75-83.
    2. Takanori Adachi & Noriaki Matsushima, 2014. "The Welfare Effects Of Third-Degree Price Discrimination In A Differentiated Oligopoly," Economic Inquiry, Western Economic Association International, vol. 52(3), pages 1231-1244, July.
    3. Aguirre Iñaki, 2016. "On the Economics of the “Meeting Competition Defense” Under the Robinson–Patman Act," The B.E. Journal of Economic Analysis & Policy, De Gruyter, vol. 16(3), pages 1213-1238, September.
    4. Francisco Galera & Pedro Mendi & Juan Carlos Molero, 2017. "Quality Differences, Third-Degree Price Discrimination, And Welfare," Economic Inquiry, Western Economic Association International, vol. 55(1), pages 339-351, January.
    5. Akio Kawasaki, 2020. "Airport pricing strategy by hub airports: does the number of local airports matter?," Asia-Pacific Journal of Regional Science, Springer, vol. 4(3), pages 835-857, October.
    6. Aguirre, Iñaki & Yenipazarli, Arda, 2022. "A Rationale for the “Meeting Competition Defense” when Competitive Pressure Varies Across Markets," MPRA Paper 113746, University Library of Munich, Germany.
    7. Takanori Adachi & Michal Fabinger, 2019. "Output and Welfare Implications of Oligopolistic Third-Degree Price Discrimination," Working Papers e139, Tokyo Center for Economic Research.
    8. Aguirre, Iñaki, 2019. "Oligopoly price discrimination, competitive pressure and total output," Economics - The Open-Access, Open-Assessment E-Journal (2007-2020), Kiel Institute for the World Economy (IfW Kiel), vol. 13, pages 1-16.
    9. Adachi, Takanori, 2023. "A sufficient statistics approach for welfare analysis of oligopolistic third‐degree price discrimination," International Journal of Industrial Organization, Elsevier, vol. 86(C).
    10. Aguirre Pérez, Iñaki, 2011. "Multimarket Competition and Welfare Effects of Price discrimination," IKERLANAK info:eu-repo/grantAgreeme, Universidad del País Vasco - Departamento de Fundamentos del Análisis Económico I.
    11. Qihong Liu, 2016. "Market Foreclosure and the Welfare Impacts of Price Discrimination," Economics Bulletin, AccessEcon, vol. 36(1), pages 337-348.

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