• Downstream merger with upstream market power 

      Lommerud, Kjell Erik; Straume, Odd Rune; Sørgard, Lars (Working Paper, Working paper, 2002-12)
      We examine how a downstream merger affects input prices and, in turn, the profitability of a such a merger under Cournot competition with differentiated products. Input suppliers can be interpreted as ordinary upstream ...
    • National versus international mergers in unionised oligopoly 

      Lommerud, Kjell Erik; Straume, Odd Rune; Sørgard, Lars (Working paper, Working paper, 2003-06)
      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 an international merger results in lower wages for all firms. A ...