2Atip Asvanund,Karen Clay,Ramayya Krishnan,Michael Smith(2001):Bigger May Not Be Better:An Empirical Analysis of Optimal Membership Rules in Peer-To-Peer Networks,paper for Telecommunications Policy.Research Conference (TPRC),Alexandria,Virginia,October 27-29.Smith,Michael.2001.
3Arthur,W.Brian(1996):Increasing Returns and the Two Worlds of Business.Harvard Business Review,July-August 1996.
4Economides,Nicholas and Fredrick Flyer,(1998),Compatibility and Market Structure for Network Goods,Discussion Paper EC-98-02,Stern School of Business,N.Y.U.,http://www.stern.nyu.edu/networks/98-02.pdf.
5Hal R.Varian(1999):Market Structure in the Network Age,Working Paper,UC-Berkeley.Timothy F.Bresnahan,Shane Greenstein (1999):Technological Competition and the Structure of the Computer Industry,12/14/97 Journal of Industrial Economics,vol.47,issue 1,pages 1-40.
6Economides,N.(1996):The Economics of Network,International Joumal of Industrial Organization,Vol.14,no.6,675-699.
7Economides,Nicholas and Fredrick Flyer,(1998):Compatibility and Market Structure for Network Goods,Discussion Paper EC-98-02,Stern School of Business,N.Y.U.,http://www.stem.nyu.edu/networks/98-02.pdf.
8Jeffrey Church,Neil Gandal,David Krause (2002):Indirect Network Effects and Adoption Externalities,Foerder Institute for Economic Research Working Paper No.02-30.