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The Logit as a Model of Product Differentiation

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  • Anderson, Simon P
  • De Palma, Andre

Abstract

The logit discrete choice model is argued to be flexible, tractable, and intuitively sound as a demand model of product differentiation under oligopoly. The free entry equilibrium product range is greater than or less than the social optimum, depending on cost and demand conditions and the degree of heterogeneity of consumer tastes. If the market provides "too many" products, then the difference between equilibrium and first-best optimal product diversity is negligible. However, when the market solution yields "too few" products, the market may seriously underprovide diversity. Copyright 1992 by Royal Economic Society.

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  • Anderson, Simon P & De Palma, Andre, 1992. "The Logit as a Model of Product Differentiation," Oxford Economic Papers, Oxford University Press, vol. 44(1), pages 51-67, January.
  • Handle: RePEc:oup:oxecpp:v:44:y:1992:i:1:p:51-67
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    1. Farzin, Y H & Tahvonen, O, 1996. "Global Carbon Cycle and the Optimal Time Path of a Carbon Tax," Oxford Economic Papers, Oxford University Press, vol. 48(4), pages 515-536, October.
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    Cited by:

    1. Martin Richardson & Simon Wilkie, 2013. "Faddists, enthusiasts and Canadian divas:a model of the recorded music market," ANU Working Papers in Economics and Econometrics 2013-600, Australian National University, College of Business and Economics, School of Economics.
    2. Cardoso-Vargas, Carlos Enrique, 2015. "Productivity, size and exporting dynamics of firms: Evidence for Mexico," MPRA Paper 68425, University Library of Munich, Germany, revised 09 Jul 2015.
    3. Hurkens, Sjaak & Jeon, Doh-Shin, 2009. "Mobile termination and mobile penetration," IESE Research Papers D/816, IESE Business School.
    4. repec:ebl:ecbull:v:4:y:2008:i:17:p:1-11 is not listed on IDEAS
    5. Ackermann, Jeff, 2016. "The Effect of Franchising on Store Performance: Evidence from an Ownership Change," MPRA Paper 76185, University Library of Munich, Germany.
    6. Anderson, Simon P & de Palma, Andre, 1992. "Multiproduct Firms: A Nested Logit Approach," Journal of Industrial Economics, Wiley Blackwell, vol. 40(3), pages 261-276, September.
    7. Martin Richardson, 1998. "Foreign entry and domestic welfare," Review of World Economics (Weltwirtschaftliches Archiv), Springer;Institut für Weltwirtschaft (Kiel Institute for the World Economy), vol. 134(2), pages 250-262, June.
    8. Sjaak Hurkens & Angel L. Lopez, 2010. "Mobile Termination, Network Externalities, and Consumer Expectations," Working Papers 441, Barcelona Graduate School of Economics.
    9. Sibdari, Soheil & Pyke, David F., 2010. "A competitive dynamic pricing model when demand is interdependent over time," European Journal of Operational Research, Elsevier, vol. 207(1), pages 330-338, November.
    10. Jonas Häckner, 2001. "Market Delineation and Product Differentiation," Journal of Industry, Competition and Trade, Springer, vol. 1(1), pages 81-99, March.
    11. Gagnepain, Philippe & Ivaldi, Marc, 2016. "An Evaluation of the Degree of Competition in the French Life Insurance Industry," TSE Working Papers 16-697, Toulouse School of Economics (TSE).
    12. Arguedas, Carmen & Hamoudi, Hamid & Saez, Manuel, 2007. "Equilibrium Nonexistence in Spatial Competition with Quadratic Transportation Costs," Working Papers in Economic Theory 2007/01, Universidad Autónoma de Madrid (Spain), Department of Economic Analysis (Economic Theory and Economic History).
    13. Yubo Chen & Jinhong Xie, 2005. "Third-Party Product Review and Firm Marketing Strategy," Marketing Science, INFORMS, vol. 24(2), pages 218-240, February.
    14. Robert Somogyi & Janos Vincze, 2011. "Price Rigidity and Strategic Uncertainty An Agent-based Approach," IEHAS Discussion Papers 1135, Institute of Economics, Centre for Economic and Regional Studies, Hungarian Academy of Sciences.
    15. Andre dePalma & Karim Kilani, 2000. "The Optimal of Provision of Products with Income Effects," Econometric Society World Congress 2000 Contributed Papers 1299, Econometric Society.
    16. repec:ebl:ecbull:v:3:y:2007:i:30:p:1-15 is not listed on IDEAS
    17. Damania, D., 1996. "The scope for collusion in a regulated vertically integrated telecommunications industry," Information Economics and Policy, Elsevier, vol. 8(2), pages 141-160, June.
    18. Hurkens, Sjaak & Jeon, Doh-Shin, 2012. "Promoting network competition by regulating termination charges," International Journal of Industrial Organization, Elsevier, vol. 30(6), pages 541-552.
    19. Liao, Hao & Xiao, Rui & Chen, Duanbing & Medo, Matúš & Zhang, Yi-Cheng, 2014. "Firm competition in a probabilistic framework of consumer choice," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 400(C), pages 47-56.
    20. Sjaak Hurkens & Doh-Shin Jeon, 2008. "A Retail Benchmarking Approach to Efficient Two-Way Access Pricing: Termination-Based Price Discrimination with Elastic Subscription Demand," Working Papers 08-41, NET Institute, revised Nov 2008.
    21. Rhee, Byong-Duk, 2006. "First-mover disadvantages with idiosyncratic consumer tastes along unobservable characteristics," Regional Science and Urban Economics, Elsevier, vol. 36(1), pages 99-117, January.

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