rand joumai of economics vol 28 no 2 summer 1997 pp 304 322 collusive conduct in duopolies multimarket contact and cross ownership the mobile telephone industry philip m parker lars hendrik roller with deregulation telecommunications a variety struc tures have been created hopes increasing competition one example is li censing cellular services united states where fcc which two firms were granted licenses to compete strictly defined prod uct geographic markets taking advantage unique regulatory environment we test what degree duopolistic leads competitive market outcomes find that are important factors ex plaining noncompetitive prices phone users finding price making wireless calls has remained high some cases as much 80 times conventional call new york november 1992 1 introduction proponents more us often argued increased drives down end user service case late
