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Choosing Roles in a Duopoly for Endogenously Differentiated Products

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  • Luca Lambertini

Abstract

The choice of the roles by firms in a vertically differentiated duopoly is analyzed introducing a preplay stage where firms set the timing of moves, under the alternative assumptions of full or non full market coverage. Under the first, it turns out that the unique subgame perfect equilibrium entails simultaneous play in the quality stage, followed by sequential play in the price stage, where both firms would prefer to be price leader, contrarily to the results obtained by previous literature. Under partial market coverage, it is possible to analyze both price and quantity competition. In such a case, simultaneous play in both stages emerges as the optimal behavior. Overall, contrarily to the conclusions reached by the previous literature, it is not possible to claim that the choice of the strategy space dominates the distribution of roles. Copyright 1996 by Blackwell Publishers Ltd/University of Adelaide and Flinders University of South Australia

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Bibliographic Info

Paper provided by Dipartimento Scienze Economiche, Universita' di Bologna in its series Working Papers with number 191.

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Date of creation: Jan 1994
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Handle: RePEc:bol:bodewp:191

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Cited by:
  1. Luca Lambertini & Piero Tedeschi, 2006. "Would you like to enter first with a low-quality good?," Working Papers 20060504, Università degli Studi di Milano-Bicocca, Dipartimento di Statistica.
  2. E. Bacchiega & L. Lambertini & A. Mantovani, 2007. "Process and product innovation in a vertically differentiated industry," Working Papers 583, Dipartimento Scienze Economiche, Universita' di Bologna.
  3. Amacher, Gregory & Koskela, Erkki & Ollikainen, Markku, 2003. "Quality Competition and Social Welfare in Markets with Partial Coverage: New Results," Discussion Papers 851, The Research Institute of the Finnish Economy.
  4. Giulio ECCHIA & Luca LAMBERTINI, 2001. "Endogenous Timing and Quality Standards in a Vertically Differentiated Duopoly," Discussion Papers (REL - Recherches Economiques de Louvain) 2001021, Université catholique de Louvain, Institut de Recherches Economiques et Sociales (IRES).
  5. L. Lambertini & R. Orsini, 1998. "Existence of Equilibrium in A Differentiated Duopoly With Network Externalities," Working Papers 333, Dipartimento Scienze Economiche, Universita' di Bologna.
  6. Lin Liu & Yuanzhu Lu, 2011. "Endogenous Timing in a Mixed Duopoly with Endogenous Vertical Differentiation," CEMA Working Papers 452, China Economics and Management Academy, Central University of Finance and Economics.
  7. Li, Youping, 2014. "Price leadership in a vertically differentiated market," Economic Modelling, Elsevier, vol. 38(C), pages 67-70.
  8. Yong-Hwan Noh & GianCarlo Moschini, 2006. "Vertical Product Differentiation, Entry-Deterrence Strategies, and Entry Qualities," Center for Agricultural and Rural Development (CARD) Publications 05-wp403, Center for Agricultural and Rural Development (CARD) at Iowa State University.
  9. S. Baranzoni & P. Bianchi & L. Lambertini, 2000. "Market Structure," Working Papers 368, Dipartimento Scienze Economiche, Universita' di Bologna.
  10. Desquilbet, Marion & Hassan, Daniel & Monier-Dilhan, Sylvette, 2006. "Are Geographical Indications a Worthy Quality Signal? A Framework on Protected Designation of Origin with Endogenous Quality Choice," 2006 Annual meeting, July 23-26, Long Beach, CA 21466, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).

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