4Akerlof, George A. 1970, "The Market for 'Lem- ons': Qualitative Uncertainty and the Market Mechanism," Quart. J. Econ. 84..3, 488-500.
5Spence, A. Michael. 1973, " Job Market Signaling," Quart. J. Econ. 87:3, 355-79.
6Riley, John G , 1985. " Competition with Hidden Knowl- edge,"J. Polit. Econ. 93.-5, pp. 958-76.
7Rothschild, Michael and Joseph E. Stiglitz, 1976," Equilibrium in Competitive Insurance Mar- kets: An Essay on the Economics of Imperfect Information," Quart. J. Econ. 90, 629-49.
8Ichniowski, Casey, Kathryn Shaw, and Giovanna Prennushi. 1997, "The Effects of Human Resource Manage- ment Practices on Productiv ity: A Study of Steel Finishing Lines." Ameri can Economic Review, 87(3): 291-313.
9Fali Huang, Peter CappeUi, 2010, "Applicant Screen- ing and Performance-Related Outcomes", The American Eco- nomic Review, Vol. 100 , 214-218.
