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

  • Dubois, Pierre
  • Jodar-Rosell, Sandra

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.

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Paper provided by Institut d'Économie Industrielle (IDEI), Toulouse in its series IDEI Working Papers with number 604.

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Date of creation: Apr 2010
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Handle: RePEc:ide:wpaper:22617
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  1. K. Sudhir & Debabrata Talukdar, 2004. "Does Store Brand Patronage Improve Store Patronage?," Review of Industrial Organization, Springer, vol. 24(2), pages 143-160, 03.
  2. Bonnet, Céline & Dubois, Pierre, 2009. "Inference on Vertical Contracts between Manufacturers and Retailers Allowing for Nonlinear Pricing and Resale Price Maintenance," IDEI Working Papers 583, Institut d'Économie Industrielle (IDEI), Toulouse.
  3. Howard Smith, 2004. "Supermarket Choice and Supermarket Competition in Market Equilibrium," Review of Economic Studies, Oxford University Press, vol. 71(1), pages 235-263.
  4. David Besanko & Sachin Gupta & Dipak Jain, 1998. "Logit Demand Estimation Under Competitive Pricing Behavior: An Equilibrium Framework," Management Science, INFORMS, vol. 44(11-Part-1), pages 1533-1547, November.
  5. Marie-Laure Allain & Claire Chambolle, 2004. "Loss-leaders Banning Laws as Vertical Restraints," Working Papers 2004-19, Centre de Recherche en Economie et Statistique.
  6. Bontemps, Christophe & Orozco, Valérie & Réquillart, Vincent & Trévisiol, Audrey, 2004. "Price Effects of Private Labels Development," IDEI Working Papers 299, Institut d'Économie Industrielle (IDEI), Toulouse.
  7. Michaela Draganska & Dipak C. Jain, 2005. "Product-Line Length as a Competitive Tool," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 14(1), pages 1-28, 03.
  8. Berry, Steven & Levinsohn, James & Pakes, Ariel, 1995. "Automobile Prices in Market Equilibrium," Econometrica, Econometric Society, vol. 63(4), pages 841-90, July.
  9. Bergès-Sennou Fabian & Bontems Philippe & Réquillart Vincent, 2004. "Economics of Private Labels: A Survey of Literature," Journal of Agricultural & Food Industrial Organization, De Gruyter, vol. 2(1), pages 1-25, February.
  10. Bontemps, Christophe & Orozco, Valérie & Réquillart, Vincent, 2008. "Private Labels, National Brands and Food Prices," IDEI Working Papers 402, Institut d'Économie Industrielle (IDEI), Toulouse.
  11. Armstrong, Mark, 2006. "Price discrimination," MPRA Paper 4693, University Library of Munich, Germany.
  12. Patrick REY & Thibaud VERGE, 2009. "Resale Price Maintenance and Interlocking Relationships," Working Papers 2009-11, Centre de Recherche en Economie et Statistique.
  13. Hanemann, W Michael, 1984. "Discrete-Continuous Models of Consumer Demand," Econometrica, Econometric Society, vol. 52(3), pages 541-61, May.
  14. Mills, David E, 1995. "Why Retailers Sell Private Labels," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 4(3), pages 509-28, Fall.
  15. André Bonfrer & Pradeep K. Chintagunta, 2004. "Store Brands: Who Buys Them and What Happens to Retail Prices When They Are Introduced?," Review of Industrial Organization, Springer, vol. 24(2), pages 195-218, 03.
  16. Dubin, Jeffrey A & McFadden, Daniel L, 1984. "An Econometric Analysis of Residential Electric Appliance Holdings and Consumption," Econometrica, Econometric Society, vol. 52(2), pages 345-62, March.
  17. Bontems, Philippe & Monier-Dilhan, Sylvette & Requillart, Vincent, 1999. "Strategic Effects of Private Labels," European Review of Agricultural Economics, Foundation for the European Review of Agricultural Economics, vol. 26(2), pages 147-65, June.
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