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Endogenous timing in quality choices and price competition

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  • Lambertini, Luca
  • Tampieri, Alessandro

Abstract

The authors modify the price-setting version of the vertically differentiated duopoly model by Aoki (Effect of Credible Quality Investment with Bertrand and Cournot Competition, 2003) by introducing an extended game in which firms noncooperatively choose the timing of moves at the quality stage. Their results show that there are multiple equilibria in pure strategies, whereby firms always select sequential play at the quality stage. They also investigate the mixed-strategy equilibrium, revealing that the probability of generating out-of-equilibrium outcomes is higher than its complement to one. In the alternative case with full market coverage, the authors show that the quality stage is solved in dominant strategies and therefore the choice of roles becomes irrelevant as the Nash and Stackelberg solutions coincide. --

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Bibliographic Info

Paper provided by Kiel Institute for the World Economy in its series Economics Discussion Papers with number 2013-37.

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Date of creation: 2013
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Handle: RePEc:zbw:ifwedp:201337

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Keywords: Endogenous timing; product quality; market coverage;

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  1. Bulow, Jeremy I & Geanakoplos, John D & Klemperer, Paul D, 1985. "Multimarket Oligopoly: Strategic Substitutes and Complements," Journal of Political Economy, University of Chicago Press, vol. 93(3), pages 488-511, June.
  2. Hamilton, J.H. & Slutsky, S.M., 1988. "Endogenous Timing In Duopoly Games: Stackelberg Or Cournot Equilibria," Papers 88-4, Florida - College of Business Administration.
  3. Reiko Aoki, 2003. "Effect of credible quality investment with Bertrand and Cournot competition," Economic Theory, Springer, vol. 21(2), pages 653-672, 03.
  4. d'ASPREMONT, C. & GERARD-VARET, L.-A., . "Stackelberg-solvable games and pre-play communication," CORE Discussion Papers RP -425, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  5. Mussa, Michael & Rosen, Sherwin, 1978. "Monopoly and product quality," Journal of Economic Theory, Elsevier, vol. 18(2), pages 301-317, August.
  6. Lambertini, Luca & Tampieri, Alessandro, 2012. "Low-quality leadership in a vertically differentiated duopoly with Cournot competition," Economics Letters, Elsevier, vol. 115(3), pages 396-398.
  7. Aoki, Reiko & Prusa, Thomas J., 1997. "Sequential versus simultaneous choice with endogenous quality," International Journal of Industrial Organization, Elsevier, vol. 15(1), pages 103-121, February.
  8. Motta, Massimo, 1993. "Endogenous Quality Choice: Price vs. Quantity Competition," Journal of Industrial Economics, Wiley Blackwell, vol. 41(2), pages 113-31, June.
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