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Does the fourth entrant make any difference?: Entry and competition in the early U.S. broadband market

  • Xiao, Mo
  • Orazem, Peter F.

We study the importance of sunk costs in determining entry conditions and inferences about firm conduct in an adapted Bresnahan and Reiss (1991, 1994) framework. In our framework, entrants incur sunk costs to enter, while incumbents disregard these costs in deciding on continuation or exit. We apply this framework to study entry and competition in the local U.S. broadband markets from 1999 to 2003. Ignoring sunk costs generates unreasonable variation in firms' competitive conduct over time. This variation disappears when entry costs are allowed. Once the market has one to three incumbent firms, the fourth entrant has little effect on competitive conduct.

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Article provided by Elsevier in its journal International Journal of Industrial Organization.

Volume (Year): 29 (2011)
Issue (Month): 5 (September)
Pages: 547-561

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Handle: RePEc:eee:indorg:v:29:y:2011:i:5:p:547-561
Contact details of provider: Web page: http://www.elsevier.com/locate/inca/505551

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  1. Bresnahan, Timothy F & Reiss, Peter C, 1990. "Entry in Monopoly Markets," Review of Economic Studies, Wiley Blackwell, vol. 57(4), pages 531-53, October.
  2. Michael J. Mazzeo, 2002. "Competitive Outcomes in Product-Differentiated Oligopoly," The Review of Economics and Statistics, MIT Press, vol. 84(4), pages 716-728, November.
  3. Timothy Dunne & Shawn Klimek & Mark Roberts & Daniel Yi Xu, 2009. "Entry, Exit, and the Determinants of Market Structure," Working Papers 09-23, Center for Economic Studies, U.S. Census Bureau.
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  8. Pindyck, Robert S., 2005. "Sunk Costs and Real Options in Antitrust," Working papers 18233, Massachusetts Institute of Technology (MIT), Sloan School of Management.
  9. Patrick Bajari & C. Lanier Benkard & Jonathan Levin, 2007. "Estimating Dynamic Models of Imperfect Competition," Econometrica, Econometric Society, vol. 75(5), pages 1331-1370, 09.
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  17. Allan Collard-Wexler, 2006. "Demand Fluctuations and Plant Turnover in the Ready-Mix Concrete Industry," Working Papers 06-25, New York University, Leonard N. Stern School of Business, Department of Economics.
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  19. Wilson, Robert, 1992. "Strategic models of entry deterrence," Handbook of Game Theory with Economic Applications, in: R.J. Aumann & S. Hart (ed.), Handbook of Game Theory with Economic Applications, edition 1, volume 1, chapter 10, pages 305-329 Elsevier.
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