Horizontal mergers and product quality

Kurt Brekke (), Luigi Siciliani and Odd Rune Straume

Canadian Journal of Economics, 2017, vol. 50, issue 4, 1063-1103

Abstract: We study the effects of a horizontal merger when firms compete on price and quality. In a Salop framework with three symmetric firms, several striking results appear. First, the merging firms reduce quality but possibly also price, whereas the outside firm increases both price and quality. As a result, the average price in the market increases, but also the average quality. Second, the outside firm benefits more than the merging firms from the merger, and the merger can be unprofitable for the merger partners, i.e., the merger paradox may appear. Third, the merger always reduces total consumer utility (though some consumers may benefit), but total welfare can increase due to endogenous quality cost savings. In a generalized framework with n firms, we identify two key factors for the merger effects: (i) the magnitude of marginal variable quality costs, which determines the nature of strategic interaction and (ii) the cross-quality and cross-price demand effects, which determines the intensity of price relative to quality competition. These findings have implications for antitrust policy in industries where quality is a key strategic variable for the firms.

JEL-codes: L13 (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (15)

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Journal Article: Horizontal mergers and product quality (2017)
Working Paper: Horizontal Mergers and Product Quality (2015)
Working Paper: Horizontal Mergers and Product Quality (2014)
Working Paper: Horizontal Mergers and Product Quality- (2014)
Working Paper: Horizontal Mergers and Product Quality (2014)
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