1Heath C, Tversky A. Preference and belief: Ambiguity and competence in choice under uncertainty[J]. Journal of Risk and Uncertainty,1991,4(1) : 5-28.
2Katlsson A,Norden L L. Investor Competence, Information, and Investment Activity[J]. 2008, Available at SSRN.. http:// ssrn. corn/abstract = 1007193 or http..//dx, doi. org/10. 2139/ ssrn. 1007193.
3Graham J R, Harvey C R, Huang H. Investor competence, trading frequency, and home bias[J]. NBER Working Paper No. 11426,2009.
4Gusso L, Pasella M. Risk aversion, wealth, and background risk[J]. Journal of the European Economic Association, 2008,6 (6):1109-1150.
