• Customer ignorance, price cap regulation and rent-seeking in mobile roaming 

      Ambjørnsen, Terje; Foros, Øystein; Wasenden, Ole-Christian B. (Working paper, Working paper, 2009-03)
      Mobile phone usage when travelling abroad is expensive. In contrast to domestic voice call prices, entry of new firms does not put a downward wholesale and retail price pressure on mobile usage abroad. The network connection ...
    • Why are mobile voice calls so expensive when abroad? 

      Ambjørnsen, Terje; Foros, Øystein; Wasenden, Ole C. (Working paper, Working paper, 2007-11)
      Mobile phone usage when traveling abroad is expensive. We show that the more firms enter the market - which may lower domestic voice call prices - the higher wholesale and retail prices for mobile usage abroad may become.