This paper evaluates the efficacy of a structural model of oligopoly used for merger review. Using premerger data, we estimate several demand systems and use a static Bertrand model to simulate the price effects of two mergers. Using pre- and postmerger data, we directly estimate the price...

Because of its unique institutional and regulatory features, the generic drug industry provides a useful laboratory for understanding how competition evolves. We exploit these features to estimate a system of structural relationships in this industry, including the relationship between price and...