1. 题目：Information in the Labor Market
   作者：Stigler, G.J. (1962)
杂志：Journal of Political Economy 69(3): 213–225.
链接：http://www.jstor.org/pss/1829106
2. 题目：Search and Consumer Theory
   作者：MANNING, R., AND P. MORGAN
   杂志：Review of Economic Studies 49(1982), 203-216.
  链接：http://www.jstor.org/pss/2297270.