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Welfare Effects of Third-Degree Price Discrimination: Ippolito Meets Schmalensee and Varian

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  • Aguirre Pérez, Iñaki

Abstract

Based on a pioneering work by Ippolito (1980) we construct a simple model wich allows the welfare effects of third-degree price discrimination to be well understood and explained. The decomposition of the change in welfare into a misallocation effect and an output effect has advantages over the well-established analysis by Schamalensee (1981) and Varian (1985). In particular, our approach provides a graphic analysis which clarifies the welfare analysis of third-degree price discrimination.

Suggested Citation

  • Aguirre Pérez, Iñaki, 2011. "Welfare Effects of Third-Degree Price Discrimination: Ippolito Meets Schmalensee and Varian," IKERLANAK info:eu-repo/grantAgreeme, Universidad del País Vasco - Departamento de Fundamentos del Análisis Económico I.
    • Handle: RePEc:ehu:ikerla:6235
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    References listed on IDEAS

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    1. David K. Round & Ron P. Mclver, 2006. "Teaching Third-Degree Price Discrimination," The Journal of Economic Education, Taylor & Francis Journals, vol. 37(2), pages 236-243, April.
    2. Schmalensee, Richard, 1981. "Output and Welfare Implications of Monopolistic Third-Degree Price Discrimination," American Economic Review, American Economic Association, vol. 71(1), pages 242-247, March.
    3. Liu Qihong & Serfes Konstantinos, 2011. "Third-Degree Price Discrimination," Journal of Industrial Organization Education, De Gruyter, vol. 5(1), pages 1-23, March.
    4. Varian, Hal R., 1989. "Price discrimination," Handbook of Industrial Organization, in: R. Schmalensee & R. Willig (ed.), Handbook of Industrial Organization, edition 1, volume 1, chapter 10, pages 597-654, Elsevier.
    5. Iñaki Aguirre & Simon Cowan & John Vickers, 2010. "Monopoly Price Discrimination and Demand Curvature," American Economic Review, American Economic Association, vol. 100(4), pages 1601-1615, September.
    6. Schwartz, Marius, 1990. "Third-Degree Price Discrimination and Output: Generalizing a Welfare Result," American Economic Review, American Economic Association, vol. 80(5), pages 1259-1262, December.
    7. Simon Cowan, 2007. "The welfare effects of third-degree price discrimination with nonlinear demand functions," RAND Journal of Economics, RAND Corporation, vol. 38(2), pages 419-428, June.
    8. Formby, John P & Layson, Stephen K & Smith, W James, 1983. "Price Discrimination, 'Adjusted Concavity,' and Output Changes under Conditions of Constant Elasticity," Economic Journal, Royal Economic Society, vol. 93(372), pages 892-899, December.
    9. Greenhut, M L & Ohta, H, 1976. "Joan Robinson's Criterion for Deciding Whether Market Discriminntion Reduces Output," Economic Journal, Royal Economic Society, vol. 86(341), pages 96-97, March.
    10. R. Schmalensee & R. Willig (ed.), 1989. "Handbook of Industrial Organization," Handbook of Industrial Organization, Elsevier, edition 1, volume 1, number 1.
    11. Paolo Bertoletti, 2009. "On the output criterion for price discrimination," Economics Bulletin, AccessEcon, vol. 29(4), pages 2951-2956.
    12. Leeson, Peter T. & Sobel, Russell S., 2008. "Costly price discrimination," Economics Letters, Elsevier, vol. 99(1), pages 206-208, April.
    13. Iñaki Aguirre, 2006. "Monopolistic price discrimination and output effect under conditions of constant elasticity demand," Economics Bulletin, AccessEcon, vol. 4(23), pages 1-6.
    14. R. Schmalensee & R. Willig (ed.), 1989. "Handbook of Industrial Organization," Handbook of Industrial Organization, Elsevier, edition 1, volume 2, number 2.
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    Cited by:

    1. O. Loginova & A. Mantovani, 2015. "Information and Online Reviews," Working Papers wp996, Dipartimento Scienze Economiche, Universita' di Bologna.
    2. Oksana Loginova & Andrea Mantovani, 2019. "Price competition in the presence of a web aggregator," Journal of Economics, Springer, vol. 126(1), pages 43-73, January.
    3. 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.
    4. Aguirre, Iñaki, 2017. "Cournot Oligopoly, Price Discrimination and Total Output," MPRA Paper 80166, University Library of Munich, Germany.
    5. Amedeo Piolatto, 2015. "Online booking and information: competition and welfare consequences of review aggregators," Working Papers 2015/11, Institut d'Economia de Barcelona (IEB).

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    JEL classification:

    • D60 - Microeconomics - - Welfare Economics - - - General

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