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Publications [#238060] of Allan Collard-Wexler

Journal Articles

  1. Collard-Wexler, A, Mergers and sunk costs: An application to the ready-mix concrete industry, American Economic Journal: Microeconomics, vol. 6 no. 4 (January, 2014), pp. 407-447, American Economic Association, ISSN 1945-7669 [doi]
    (last updated on 2021/11/27)

    Abstract:
    Horizontal mergers have a large impact by inducing a long-lasting change in market structure. Only in an industry with substantial entry barriers is a merger not immediately counteracted by postmerger entry. To evaluate the duration of the effects of a merger, I use the model of Abbring and Campbell (2010) to estimate demand thresholds for entry and for exit. These thresholds, along with the process for demand, are estimated using data from the ready-mix concrete industry. Simulations predict that a merger from duopoly to monopoly generates between nine and ten years of monopoly in the market.


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