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Differentiation and Competition in HMO Markets

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  • David Dranove
  • Anne Gron
  • Michael J. Mazzeo

Abstract

This paper examines how differentiation among Health Maintenance Organizations (HMOs) affects local market competition. Most markets for HMOs appear sufficiently unconcentrated; however, differences among HMOs may make competition less intense than the number of competitors would suggest. To investigate this possibility, we distinguish HMOs that serve only local markets from those that operate regional or national networks. We analyze how HMOs of one type affect the profitability of the other using an equilibrium model of entry and product choice. While the two types of HMOs have strong competitive effects within segments, the competitive effect of differentiated firms is negligible. Copyright Blackwell Publishing Ltd. 2003.

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Bibliographic Info

Article provided by Wiley Blackwell in its journal The Journal of Industrial Economics.

Volume (Year): 51 (2003)
Issue (Month): 4 (December)
Pages: 433-454

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Handle: RePEc:bla:jindec:v:51:y:2003:i:4:p:433-454

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Cited by:
  1. Prentice, David, 2008. "The origins of American industrial success: Evidence from the US portland cement industry," MPRA Paper 13409, University Library of Munich, Germany.
  2. Martin Gaynor & Robert J. Town, 2011. "Competition in Health Care Markets," NBER Working Papers 17208, National Bureau of Economic Research, Inc.
  3. Leemore S. Dafny, 2010. "Are Health Insurance Markets Competitive?," American Economic Review, American Economic Association, vol. 100(4), pages 1399-1431, September.
  4. Leemore Dafny, 2008. "Are Health Insurance Markets Competitive?," NBER Working Papers 14572, National Bureau of Economic Research, Inc.
  5. Rebeca Juan, 2008. "Competition in Local Markets: Some Evidence from the Spanish Retail Banking Market," Review of Industrial Organization, Springer, vol. 32(2), pages 145-162, March.
  6. Martin Gaynor & Kate Ho & Robert Town, 2014. "The Industrial Organization of Health Care Markets," NBER Working Papers 19800, National Bureau of Economic Research, Inc.
  7. Matthew Gentzkow & Jesse M. Shapiro, 2010. "What Drives Media Slant? Evidence From U.S. Daily Newspapers," Econometrica, Econometric Society, vol. 78(1), pages 35-71, 01.
  8. Kathleen Cleeren & Frank Verboven & Marnik G. Dekimpe & Katrijn Gielens, 2010. "Intra- and Interformat Competition Among Discounters and Supermarkets," Marketing Science, INFORMS, vol. 29(3), pages 456-473, 05-06.
  9. Bokhari, Farasat A.S., 2009. "Managed care competition and the adoption of hospital technology: The case of cardiac catheterization," International Journal of Industrial Organization, Elsevier, vol. 27(2), pages 223-237, March.
  10. Yiyan Liu & Ginger Zhe Jin, 2013. "Employer Contribution and Premium Growth in Health Insurance," NBER Working Papers 19760, National Bureau of Economic Research, Inc.
  11. Xiao, Mo & Orazem, Peter, 2006. "Do Entry Conditions Vary over Time? Entry and Competition in the Broadband Market: 1999-2003," Staff General Research Papers 12500, Iowa State University, Department of Economics.
  12. Abe Dunn, 2009. "Does Competition Among Medicare Advantage Plans Matter?: An Empirical Analysis of the Effects of Local Competition in a Regulated Environment," EAG Discussions Papers 200905, Department of Justice, Antitrust Division.
  13. Xiao, Mo & Orazem, Peter F., 2011. "Does the fourth entrant make any difference?: Entry and competition in the early U.S. broadband market," International Journal of Industrial Organization, Elsevier, vol. 29(5), pages 547-561, September.
  14. Picone, Gabriel A. & Ridley, David B. & Zandbergen, Paul A., 2009. "Distance decreases with differentiation: Strategic agglomeration by retailers," International Journal of Industrial Organization, Elsevier, vol. 27(3), pages 463-473, May.

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