3Pecker, Gary S., Human Capital s A theoretical and Empirical Analysis, with Special Reference to Education, Chicago : University of Press, 19 6 4.
4]Boskin, Michael J. ,'A Conditional Logit Model of Occupational Choice', Journal of Political Economy,March/April 1974, 82(2).
5Berger, Mark C. ,' Predicted Future Earnings and Choice of College Major', Industrial and Labor Relations Review, April 1988, 41(3).
6Raven Saks and Stephen H. Shore, Risk and Career Choice ,Working Paper, 2002. http,//www, irm. wharton. upenn, edu/S03- Shore. pdf.
7Davis, Steven J. ,Willen, Paul, ' Occupation- Level Income Shocks and Asset Returns: Their covariance and Implication for Portfolio Choice', NBER Working Paper 7905, 2000. http://www, papers, ssrn. com/sol3/papers, cfm? abstract id=241161 # Paper Download.
