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Multi-period Competition with Switching Costs


  • Beggs, Alan W
  • Klemperer, Paul


The authors analyze the evolution of duopolists' prices and market shares in an infinite-period market with consumer switching costs in which in every period new consumers arrive and a fraction of old consumers leaves. They show prices (and profits) are higher than without switching costs and that this result does not depend importantly on their specific assumptions. The authors show switching costs make the market more attractive to a new entrant, even though an entrant must overcome the disadvantage that a large fraction of the market is already committed to the incumbent's product. They also examine the effects of market growth. Copyright 1992 by The Econometric Society.

Suggested Citation

  • Beggs, Alan W & Klemperer, Paul, 1992. "Multi-period Competition with Switching Costs," Econometrica, Econometric Society, vol. 60(3), pages 651-666, May.
  • Handle: RePEc:ecm:emetrp:v:60:y:1992:i:3:p:651-66

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    References listed on IDEAS

    1. Ernst Fehr & Simon Gächter, 2000. "Fairness and Retaliation: The Economics of Reciprocity," Journal of Economic Perspectives, American Economic Association, vol. 14(3), pages 159-181, Summer.
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