• Competition and compatibility among Internet service providers 

      Foros, Øystein; Hansen, Bjørn (Discussion paper, Working paper, 2001-03)
      We consider a two-stage game between two competing Internet service providers(ISPs). The firms offer access to the Internet. Access is assumed to be vertically and horizontally differentiated. Our model exhibits network ...
    • Demand-side spillovers and semi-collusion in the mobile communications market 

      Foros, Øystein; Hansen, Bjørn; Sand, Jan Yngve (Discussion paper, Working paper, 2001-12)
      We analyze roaming policy in the market for mobile telecommunications. Firms undertake investments in network infrastructure to increase geographical coverage, capacity in a given area, or functionality. Prior to ...