• A note on upward pricing pressure: the possibility of false positives 

      Mathiesen, Lars; Nilsen, Øivind Anti; Sørgard, Lars (Journal article; Peer reviewed, 2012)
      Joseph Farrell and Carl Shapiro proposed a simple test of the possible upward pricing pressure (UPP) following a merger. They showed that the test may give false negatives—that is, indicate that a merger may not give an ...
    • Climate Policy and the steel industry: achieving global emission reductions by an incomplete climate agreement 

      Mathiesen, Lars; Mæstad, Ottar (Journal article; Peer reviewed, 2004)
      The steel industry is one of the largest sources of global CO 2 emissions and hence a candidate for climate policies. A carbon tax on emissions in industrialized countries, however, will cause relocation of steel production ...
    • Merger simulations with observed diversion ratios 

      Mathiesen, Lars; Nilsen, Øivind Anti; Sørgard, Lars (Journal article; Peer reviewed, 2011)
      One 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 dimensions, ...
    • Om fusjonssimulering 

      Mathiesen, Lars (Journal article; Peer reviewed, 2013)
      Artikkelen beskriver sentrale elementer i en fusjonssimulering (FS) og illustrerer disse ved hjelp av analyser fra tre reelle saker. FS er en matematisk metode for å beregne markedseffekter av bedriftssamarbeid. FS ...