6Andieh, Robert B. Making markets: Network effects and the role of lawin the creation and restructuring of securities markets[J]. Southern California Law Review, 1998,32: 22-34.
7Arminger, Gerhard, Daniel Enache and Thorsten Bonne. Analyzing credit risk data. A comparison of logistic discrimination, classification tree analysis, and feed forward networks[J]. Computational Statistics, 1997,12. 66-67.
8Asplund, Marcus and Rickard SandirL Competition in interrelated markets: An empirical study[J]. International Journal of Industrial Organization, 1999,17; 102-115.
9Batt Rosemary. Explaining wage inequality in telecommunications services: Customer segmentation, human resource practices, and union decline[J]. Industrial and Labor Relations Review, 2001,10: 19-28.
10Bental B, Spiegel M. Network competition, product quality, and market coverage in the presence of network externalities[J]. Journal of Industrial Economics, 1995,40(2) : 197-208.