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Price and Brand Competition between Differentiated Retailers: A Structural Econometric Model

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  • Dubois, Pierre
  • Jodar Rosell, Sandra

Abstract

We develop a model of competition between retailer chains with a structural estimation of the demand and supply in the supermarket industry in France. In the model, supermarkets compete in price and brand offer over all food products to attract consumers, in particular through the share of private labels versus national brands across all their products. Private labels can serve as a differentiation tool for the retailers in order to soften price competition. They may affect the marginal costs of all products for the retailer because of eventual quality differences and also by helping retailers to obtain better conditions from their manufacturers. Differentiation is taken into account by estimating a discrete-continuous choice model of demand where outlet choice and total expenditures are determined endogenously. On the supply side, we consider a simultaneous competition game in brand offer and price between retailers to identify marginal costs. After estimation by simulated maximum likelihood, the structural estimates allow to simulate the effect on the equilibrium behavior of retailer chains of a demand shock through an increase in transportation costs for consumers and a merger between two retailer chains.

Suggested Citation

  • Dubois, Pierre & Jodar Rosell, Sandra, 2010. "Price and Brand Competition between Differentiated Retailers: A Structural Econometric Model," CEPR Discussion Papers 7847, C.E.P.R. Discussion Papers.
  • Handle: RePEc:cpr:ceprdp:7847
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    References listed on IDEAS

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    Cited by:

    1. Griffith, Rachel & Krol, Michal & Smith, Kate, 2015. "Store Brands and the Role of Advertising," CEPR Discussion Papers 10877, C.E.P.R. Discussion Papers.
    2. Stéphane Turolla, 2016. "Spatial Competition in the French Supermarket Industry," Annals of Economics and Statistics, GENES, issue 121-122, pages 213-259.
    3. Smith, Howard & Thomassen, Øyvind, 2012. "Multi-category demand and supermarket pricing," International Journal of Industrial Organization, Elsevier, vol. 30(3), pages 309-314.
    4. Eizenberg, Alon & Lach, Saul & Yiftach, Merav, 2016. "Retail Prices in a City," CEPR Discussion Papers 11590, C.E.P.R. Discussion Papers.

    More about this item

    Keywords

    competition; discrete/continuous choice; retailing; structural estimation;

    JEL classification:

    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • L22 - Industrial Organization - - Firm Objectives, Organization, and Behavior - - - Firm Organization and Market Structure
    • L81 - Industrial Organization - - Industry Studies: Services - - - Retail and Wholesale Trade; e-Commerce

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