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Product Differentiation and Mergers in the Carbonated Soft Drink Industry

Jean-Pierre H. Dube

University of Chicago - Booth School of Business

August 6, 2003

University of Chicago GSB Working Paper

I simulate the competitive impact of several soft drink mergers from the 1980s on equilibrium prices and quantities. An unusual feature of soft drink demand is that, at the individual purchase level, households regularly select a variety of soft drink products. Specifically, on a given trip households may select multiple soft drink products and multiple units of each. A concern is that using a standard discrete choice model that assumes single unit purchases may understate the price elasticity of demand. To model the sophisticated choice behavior generating this multiple discreteness, I use household-level scanner data set. Market demand is then computed by aggregating the household estimates. Combining the aggregate demand estimates with a model of static oligopoly, I then run the merger simulations. Consistent with the arguments of Coca-Cola, we find that only the merger between Coca-Cola and Pepsi leads to substantial price increases and corresponding welfare losses.

Number of Pages in PDF File: 27

Keywords: mergers, demand estimation, multiple-discreteness, structural modeling

JEL Classification: L15, C5, D4

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Date posted: September 4, 2003  

Suggested Citation

Dube, Jean-Pierre H., Product Differentiation and Mergers in the Carbonated Soft Drink Industry (August 6, 2003). University of Chicago GSB Working Paper. Available at SSRN: http://ssrn.com/abstract=432940 or http://dx.doi.org/10.2139/ssrn.432940

Contact Information

Jean-Pierre H. Dube (Contact Author)
University of Chicago - Booth School of Business ( email )
5807 South Woodlawn Avenue
Chicago, IL 60637
United States
HOME PAGE: http://gsb.uchicago.edu/fac/jean-pierre.dube
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References:  28
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