参考文献:[1] Markowitz H. Portfolio Selection. Journal of Finance, 1952. [2] Fama E., French K. The Cross‑Section of Expected Stock Returns, 1993. [3] Barber B., Odean T. Boys Will Be Boys: Gender, Overconfidence, and Common Stock Investment, 2000. [4] 中国证监会官网,融资融券与杠杆业务监管相关文件。