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Entry and Market Selection of Firms: A Laboratory Study

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  • Jordi Brandts
  • Ayça Ebru Giritligil

Abstract

We study competition in experimental markets in which two incumbents face entry by three other firms. Our treatments vary with respect to three factors: sequential vs. block or simultaneous entry, the cost functions of entrants and the amount of time during which incumbents are protected from entry. Before entry incumbents are able to collude in all cases. When all firms' costs are the same entry always leads consumer surplus and profits to their equilibrium levels. When entrants are more efficient than incumbents, entry leads consumer surplus to equilibrium. However, total profits remain below equilibrium, due to the fact that the inefficient incumbents produce too much and efficient entrants produce too little. Market behavior is satisfactory from the consumers' standpoint, but does not yield adequate signals to other potential entrants. These results are not affected by whether entry is simultaneous or sequential. The length of the incumbency phase does have some subtle effects.

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Bibliographic Info

Paper provided by Barcelona Graduate School of Economics in its series Working Papers with number 299.

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Date of creation: Sep 2006
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Handle: RePEc:bge:wpaper:299

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Keywords: Market selection; Imperfect competititon; Entry; Experiments;

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  1. Bresnahan, Timothy F & Reiss, Peter C, 1991. "Entry and Competition in Concentrated Markets," Journal of Political Economy, University of Chicago Press, vol. 99(5), pages 977-1009, October.
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  3. Steffen Huck & Hans-Theo Normann & Jörg Oechssler, 2001. "Two are Few and Four are Many: Number Effects in Experimental Oligopolies," Bonn Econ Discussion Papers bgse12_2001, University of Bonn, Germany.
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  5. Klaus Abbink & Jordi Brandts & Tanga McDaniel, 2002. "Asymmetric demand information in uniform and discriminatory call auctions: an experimental analysis motivated by electricity markets," UFAE and IAE Working Papers 520.02, Unitat de Fonaments de l'Anàlisi Econòmica (UAB) and Institut d'Anàlisi Econòmica (CSIC).
  6. Jordi Brandts & David J. Cooper, 2006. "A Change Would Do You Good .... An Experimental Study on How to Overcome Coordination Failure in Organizations," American Economic Review, American Economic Association, vol. 96(3), pages 669-693, June.
  7. Rassenti, Stephen J & Smith, Vernon L & Wilson, Bart J, 2003. "Discriminatory Price Auctions in Electricity Markets: Low Volatility at the Expense of High Price Levels," Journal of Regulatory Economics, Springer, vol. 23(2), pages 109-23, March.
  8. Plott, Charles R. & Salmon, Timothy, 2002. "The Simultaneous, Ascending Auction: Dynamics of Price Adjustment in Experiments and in the U.K. 3G Spectrum Auction," Working Papers 1155, California Institute of Technology, Division of the Humanities and Social Sciences.
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