[感谢]经典文献：Chamberlin, E., 1948 "An Experimental Imperfect Market", Journal of Politial Economy, 56, (April), 95-108, [JSTOR].。对johncena的爱心奉献深表感谢。

[此贴子已经被作者于2008-4-3 8:51:47编辑过]