• Making sense of market delineation with the aggregate diversion ratio 

      Daljord, Øystein Børnes; Sørgard, Lars; Thomassen, Øyvind (Discussion paper, Working paper, 2007-08)
      The US Merger Guidelines leave it an open question if the SSNIP test requires an increase in one, some or all prices in the candidate market. We argue that the characteristics of the candidate market in question should be ...
    • Market definition with shock analysis 

      Daljord, Øystein Børnes; Sørgard, Lars; Thomassen, Øyvind (Discussion paper, Working paper, 2007-11)
      The SSNIP test for market definition requires information about demand substitution and profitability. If detailed information about demand is not available, observed effects of a shock in the industry may be an alternative ...