• Merger simulations with observed diversion ratios 

      Mathiesen, Lars; Nilsen, Øivind Anti; Sørgard, Lars (Discussion paper, Working paper, 2010-10)
      A common approach to merger simulations used in antitrust cases is to calibrate demand from market shares and a few additional parameters. When the products involved in the merger case are differentiated along several ...
    • National versus international mergers in unionised oligopoly 

      Lommerud, Kjell Erik; Straume, Odd Rune; Sørgard, Lars (Discussion paper, Working paper, 2004-06)
      We analyse how the presence of trade unions affects the pattern of mergers in an international oligopoly and the welfare implications thereof. We find that wages for the merger participants are always lower when they ...