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Competitive Outcomes in Product-Differentiated Oligopoly

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  • Michael J. Mazzeo

    (Northwestern University)

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    Abstract

    This paper analyzes the effect of market concentration and product differentiation on the observed outcomes of competition among oligopolists. The empirical framework is designed to examine whether competition is less intense in markets with equal levels of concentration but more differentiation among the products offered. A two-stage estimation procedure is proposed to address the endogeneity problem inherent in comparing outcomes across different market structures. I estimate the competitive effects using data from a cross section of oligopoly motel markets located along U.S. interstate highways. The results indicate that firms benefit substantially by offering differentiated products. The presence of any market competitor drives down prices, but the effect is much smaller when the competitor is a different product type. Differentiation is optimal product choice behavior because the resulting competition among firms is less tough when their products are differentiated. © 2002 President and Fellows of Harvard College and the Massachusetts Institute of Technology.

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    Bibliographic Info

    Article provided by MIT Press in its journal Review of Economics and Statistics.

    Volume (Year): 84 (2002)
    Issue (Month): 4 (November)
    Pages: 716-728

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    Handle: RePEc:tpr:restat:v:84:y:2002:i:4:p:716-728

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    Web page: http://mitpress.mit.edu/journals/

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    Cited by:
    1. Degryse, Hans & Ferrari, Stijn & Verboven, Frank, 2007. "Investment and Usage of New Technologies: Evidence from a Shared ATM Network," CEPR Discussion Papers 6592, C.E.P.R. Discussion Papers.
    2. Darlene C. Chisolm & Margaret McMillan & George Norman, 2007. "Product Differentiation and Film Programming Choice: Do First-Run Movie Theatres Show the Same Films?," Discussion Papers Series, Department of Economics, Tufts University 0713, Department of Economics, Tufts University.
    3. Toro-Gonzalez, Daniel & Yan, Jia & Gallardo, Rosa Karina & McCluskey, Jill J., 2012. "Demand Estimation In The Presence Of An Unobservable Product Attribute: The Case Of Mint Quality," 2012 Annual Meeting, August 12-14, 2012, Seattle, Washington 123518, Agricultural and Applied Economics Association.
    4. Toro-González Daniel & Gallardo R. Karina & Yan Jia & McCluskey Jill J., 2013. "Quality Differentiation with Flavors: Demand Estimation of Unobserved Attributes," Journal of Agricultural & Food Industrial Organization, De Gruyter, vol. 11(1), pages 11, September.
    5. Daniel Albalate & Jordi Perdiguero, 2012. "“Entry Regulation Asymmetries and Gasoline Competition in a Mixed Motorway Network”," IREA Working Papers 201218, University of Barcelona, Research Institute of Applied Economics, revised Nov 2012.
    6. Haizhen Lin & Yijia Wang, 2012. "Competition and Price Discrimination in the Parking Garage Industry," Working Papers 2012-07, Indiana University, Kelley School of Business, Department of Business Economics and Public Policy.
    7. Kosová, Renáta & Lafontaine, Francine, 2012. "Much ado about chains: A research agenda," International Journal of Industrial Organization, Elsevier, vol. 30(3), pages 303-308.
    8. Coublucq, Daniel, 2013. "Demand estimation with selection bias: A dynamic game approach with an application to the US railroad industry," DICE Discussion Papers 94, Heinrich‐Heine‐Universität Düsseldorf, Düsseldorf Institute for Competition Economics (DICE).

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