5Krishnan S. Anand, Ravi Aron. Group Buying on the Web: A Comparison of Price- Discovery Mechanisms[J]. Manag ement Science, 2003,49 ( 11 ) : 1546 - 1562.
6Cases, A. Perceived Risk and Risk - Reduction Strate- gies in Internet Shopping[J] . International Review of Retail, Distribution and Consumer Research, 2002,12 (4) : 375 - 394.
7O' Brien J. Cooperative Commerce: Group - Buying Engines Promise Consumers Strength in Numbers[J] . Computer Shopper, 2000, (5) : 75 - 80.
8Cai Y, Cude B J. Online Shopping [ C ]//Xiao J J. Handbook of Consumer Finance Research [ M ]. Springer,2008 : 137 - 159.