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On Monopolistic Competition and Optimal Product Diversity: a Comment on Cost Structure and Workers' Rents

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  • Pierre M. Picard
  • Eric Toulemonde

Abstract

In the Dixit-Stiglitz model of monopolistic competition, entry of firms is socially too small. Other authors have shown that excess entry is also a possibility with other preferences for diversity. We show that the cost structure and workers's rents can also explain excess entry.

Suggested Citation

  • Pierre M. Picard & Eric Toulemonde, 2005. "On Monopolistic Competition and Optimal Product Diversity: a Comment on Cost Structure and Workers' Rents," Cahiers de Recherches Economiques du Département d'Econométrie et d'Economie politique (DEEP) 05.02, Université de Lausanne, Faculté des HEC, DEEP.
  • Handle: RePEc:lau:crdeep:05.02
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    References listed on IDEAS

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    1. George A. Akerlof & Janet L. Yellen, 1990. "The Fair Wage-Effort Hypothesis and Unemployment," The Quarterly Journal of Economics, Oxford University Press, vol. 105(2), pages 255-283.
    2. d'Aspremont, Claude & Dos Santos Ferreira, Rodolphe & Gerard-Varet, Louis-Andre, 1996. "On the Dixit-Stiglitz Model of Monopolistic Competition," American Economic Review, American Economic Association, vol. 86(3), pages 623-629, June.
    3. Head, Keith & Mayer, Thierry, 2004. "The empirics of agglomeration and trade," Handbook of Regional and Urban Economics,in: J. V. Henderson & J. F. Thisse (ed.), Handbook of Regional and Urban Economics, edition 1, volume 4, chapter 59, pages 2609-2669 Elsevier.
    4. 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.
    5. Dixit, Avinash K & Stiglitz, Joseph E, 1977. "Monopolistic Competition and Optimum Product Diversity," American Economic Review, American Economic Association, vol. 67(3), pages 297-308, June.
    6. P M Picard & E Toulemonde, 2005. "On Monopolistic Competition and Optimal Product Diversity: A Comment on Cost Structure and Workers' Rents," The School of Economics Discussion Paper Series 0518, Economics, The University of Manchester.
    7. Gans, J.S., 1995. "Fixed Cost Assumptions," Papers 95/47, New South Wales - School of Economics.
    8. d’ASPREMONT, Cl. & DOS SANTOS FERREIRA, R. & GERARD-VARET, L.-A., 1988. "Unemployment in a Cournot oligopoly model with Ford effects," CORE Discussion Papers 1988018, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
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    10. Solow, Robert M., 1979. "Another possible source of wage stickiness," Journal of Macroeconomics, Elsevier, vol. 1(1), pages 79-82.
    11. Benassy, Jean-Pascal, 1991. "Monopolistic competition," Handbook of Mathematical Economics,in: W. Hildenbrand & H. Sonnenschein (ed.), Handbook of Mathematical Economics, edition 1, volume 4, chapter 37, pages 1997-2045 Elsevier.
    12. McDonald, Ian M & Solow, Robert M, 1981. "Wage Bargaining and Employment," American Economic Review, American Economic Association, vol. 71(5), pages 896-908, December.
    13. Benassy, Jean-Pascal, 1996. "Taste for variety and optimum production patterns in monopolistic competition," Economics Letters, Elsevier, vol. 52(1), pages 41-47, July.
    14. Gans, Joshua S., 1997. "Fixed cost assumptions in industrialisation theories," Economics Letters, Elsevier, vol. 56(1), pages 111-119, September.
    15. Xavier Vives, 2001. "Oligopoly Pricing: Old Ideas and New Tools," MIT Press Books, The MIT Press, edition 1, volume 1, number 026272040x, January.
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    Cited by:

    1. P M Picard & E Toulemonde, 2005. "On Monopolistic Competition and Optimal Product Diversity: A Comment on Cost Structure and Workers' Rents," The School of Economics Discussion Paper Series 0518, Economics, The University of Manchester.

    More about this item

    Keywords

    monopolistic competition; product diversity;

    JEL classification:

    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection
    • J5 - Labor and Demographic Economics - - Labor-Management Relations, Trade Unions, and Collective Bargaining
    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • L16 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Industrial Organization and Macroeconomics; Macroeconomic Industrial Structure

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