3Sharpe W F. Capital asset prices : A theory of market e-quilibrium under conditions of risk [ J] . Journal of Fi-nance ,1964, 19: 425 -442.
4Lintner J. The valuation of risk assets and the selection ofrisky investments in stock portfolios and capital budgets[J]. Review of Economics and Statistics, 1965, 47:13-37.
5Black F. Capital market equilibrium with restricted bor-rowing [J]. Journal of Business, 1972,45 : 444 - 455.
6Black F, Jensen M, Scholes M. The capital asset pricingmodel : Some empirical tests [ A]. Jensen M. Studies inthe theory of capital markets [ C]. New York: Praeger,1972.
7Blume M,Friend I. A new look at the capital asset pri-cing model[ J], Journal of Finance, 1973,28: 19 -33.
8Fama E, MacBeth J. Risk, return and equilibrium: Em-pirical tests [ J] . Journal of Political Economy, 1973,81: 607 -636.
9Roll R. A critique of the asset pricing theory,s test: PartI. On past and potential testability of the theory [ J].Journal of Financial Economics, 1977,4: 129 - 176.
10Banz R W. The relationship between return and marketvalue of common stocks [ J]. Journal of Financial Eco-nomics ,1981, 9; 3 - 18.