8AKERLOF G. 1970. The market for"lemon": qualitative uncertainty and the market mechanism [ J]. Quarterly Journal of Economics, 84 (4) : 488 - 500.
9BA S , PAUL A. 2002. Evidence of the effect of trust building technology in electronic markets: price premi- ums and buyer behavior [ J]. MIS Quarterly, 26 (3) : 243 - 268.
10BAJARI P, HORTACSU A. 2003. The winner' s curse, reserve prices, and endogenous entry: empirical insights from eBay auctions [ J]. RAND Journal of Economics, 34:329 - 355.