• Are tv-viewers and surfers different breeds? : broadband demand and asymmetric cross-price effects 

      Andersson, Kjetil; Fjell, Kenneth; Foros, Øystein (Working paper, Working paper, 2003-04)
      We consider two different qualities of broadband access, one that simply means greater access speed to Internet applications and content and a premium version that also gives access to interactive TV-centric applications. ...
    • Empirical evidence on the relationship between mobile termination rates and firms' profit 

      Andersson, Kjetil; Foros, Øystein; Hansen, Bjørn (Discussion paper;2012:10, Working paper, 2012-08)
      The comprehensive theoretical literature on mobile termination rates (MTRs) is inconclusive on how the level of MTRs affects overall consumer charges and firms’ profit. In a theoretical model, well suited for econometric ...
    • Empirical evidence on the relationship between mobile termination rates and firms’ profit 

      Andersson, Kjetil; Foros, Øystein; Hansen, Bjørn (Working paper;27/12, Working paper, 2012-08)
      The comprehensive theoretical literature on mobile termination rates (MTRs) is inconclusive on how the level of MTRs affects overall consumer charges and firms’ profit. In a theoretical model, well suited for econometric ...
    • Network competition : empirical evidence on mobile termination rates and profitability 

      Andersson, Kjetil; Hansen, Bjørn (Working paper, Working paper, 2009-04)
      We analyze a model of multi firm competition between mobile network operators. The model assumes inelastic usage demand and full penetration, and allows for asymmetric termination rates, differences in marginal costs and ...
    • The SMS bandwagon in Norway : what made the market? 

      Andersson, Kjetil; Foros, Øystein; Steen, Frode (Working paper, Working paper, 2004-06)
      Short Message Service (SMS) has been an overwhelming success in Europe, substantially larger than in the United States. In relative terms Norway represents one of the largest SMS markets in the world. The aim of the paper ...
    • Text and voice : complements, substitutes or both? 

      Andersson, Kjetil; Foros, Øystein; Steen, Frode (Discussion paper, Working paper, 2005)
      Text messaging has become an important revenue component for European and Asian mobile operators. We develop a simple model of demand for mobile services incorporating the existence of call externalities and network ...
    • Text and voice : complements, substitutes or both? 

      Andersson, Kjetil; Foros, Øystein; Steen, Frode (Working paper, Working paper, 2005)
      Text messaging has become an important revenue component for European and Asian mobile operators. We develop a simple model of demand for mobile services incorporating the existence of call externalities and network effects. ...