3Joseph Farrell,Paul Klemperer.Coordination and Lock-in:Competition with Switching Costs and Network Effects.http://emlab.berkeley.edu/users/farrell,2001.
4William G.Chismar,Johnnnes Meier.A Model of Competing Interorganizational Systems and Its Application to Airline Reservation Systems.Decision Support Systems,1992;(8).
5PeiYu Chen,Lorin M.Hitt.Measuring Switching Costs and Their Determinants in Internet-Enabled Businesses:A Study of the Online Brokerage Industry.University of Pennsylvania,Wharton school,2001.