On Welfare Effects of Horizontal Mergers with Product Differentiation
Keywords:Horizontal mergers, product differentiation, welfare
We use a non-spatial (Chamberlinian) product differentiation model to analyze the welfare effects of horizontal mergers with quantity competition. We argue that (i) mergers can be welfare enhancing if the degree of product differentiation increases after the merger; and, (ii) privately profitable mergers can also increase welfare. Consequently, in this paper we demonstrate that the degree of product differentiation is a crucial factor to assess the welfare effects of a merger.
Deneckere, R., & Davidson, C. (1985). Incentives to Form Coalitions with Bertrand Competition. The RAND Journal of Economics, 16(4), 473-486.
Dixit, A., & Stiglitz, J. (1977). Monopolistic Competition and Optimum Product Diversity. The American Economic Review, 67(3), 297-308.
Escrihuela-Villar, M. (2008). Partial Coordination and Mergers among Quantity-Setting Firms. International Journal of Industrial Organization, 26, 803-810.
Farrell, J., & Shapiro, C. (1990). Horizontal Mergers: An Equilibrium Analysis. American Economic Review, 80, 107-126.
Ivaldi, M., & Verboven, F. (2005). Quantifying the Effects from Horizontal Mergers in European competition Policy. International Journal of Industrial Organization, 23(9-10), 669-691.
Lancaster, K. (1990). The Economics of Product Variety: A Survey. Marketing Science, 9(3), 189-206.
Lommerud, K. E., and S0rgard, L. (1997). Merger and Product Range Rivalry. International Journal of Industrial Organization, 16(1), 21-42.
Prokop, J. (1999). Process of Dominant-cartel Formation. International Journal of Industrial Organization, 17, 241-257.
Salant, S., Switzer, S., & Reynolds, R. (1983). The Effects of an Exogenous Change in Industry Structure on Cournot-Nash Equilibrium. Quarterly Journal of Economics, 98(2), 185-99.
Spence, M. (1976a). Product Differentiation and Welfare. Papers and Proceedings of the Eighty-eighth Annual Meeting of the American Economic Association. The American Economic Review, 66(2), 407-414.
Spence, M. (1976b). Product Selection, Fixed Costs, and Monopolistic Competition. The Review of Economic Studies, 43(2), 217-235.
Vives, X. (1998). Oligopoly Pricing: Old ideas and New Tools. Massachusetts: MIT Press.
Werden, G., & Froeb, L. (1994). The Effects of Mergers in Differentiated Products Industries: Logit Demand and Merger Policy. International Journal of Law, Economics, and Organization, 10(2), 407-426.
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