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Mergers as Auctions

Most empirical studies that evaluate motives and gains in M&A conclude that acquirers at best do not lose from the deal while targets obtain positive gains. With a database containing merging firms’ characteristics and final bids, we propose a structural approach to infer acquirers’ gains from merging by interpreting a merger as an auction. Using nonparametric methods, we estimate bidders’ private values for targets and informational rents. We provide evidence of significant and positive merging gains. Moreover, investigating for the source of bidders’ private valuation and informational rents, our empirical analysis supports the synergy hypothesis as a motive in horizontal mergers.