• Access regulation and cross-border mergers : is international coordination beneficial? 

      Lommerud, Kjell Erik; Olsen, Trond E.; Straume, Odd Rune (Working paper, Working paper, 2005-06)
      The international integration of regulated markets poses new challenges for regulatory policy. One question is the implications that the overall international regulatory regime will have for cross-border and/or domestic ...
    • 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 ...
    • Entry in telecommunication : customer loyalty, price sensitivity and access prices 

      Lommerud, Kjell Erik; Sørgard, Lars (Working paper, Working paper, 2000-11)
      Telecommunications is an industry characterised by heavy investments in infrastructure. Historically, one firm has typically been granted a national monopoly. Recently, competition has been opened up. Entrants have been ...
    • Good jobs, bad jobs and redistribution 

      Lommerud, Kjell Erik; Sandvik, Bjørn; Straume, Odd Rune (Working Paper, Working paper, 2001-08)
      We analyse the question of optimal taxation in a dual economy, when the government is concerned about the distribution of labour income. Income inequality is caused by the presence of sunk capital investments, which creates ...
    • 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 ...
    • Unionized oligopoly, trade liberalization and location choice 

      Lommerud, Kjell Erik; Meland, Frode; Sørgard, Lars (Working Paper, Working paper, 2001-08)
      In a two-country reciprocal dumping model, with on country unionized, we analyze how wage setting and firm location are influenced by trade liberalization. We show that trade liberalization can induce a unionized firm to ...