1. Studies of stock price volatility changes;Black,,1976
2. The capital asset pricing model: Some empirical tests;Black,,1972
3. Generalized autoregressive conditional heteroskedasticity;Bollerslev,;Journal of Econometrics,1986
4. A capital asset pricing model with time varying covariances;Bollerslev,,1985
5. Empirical tests of the consumption-oriented CAPM;Breeden,1986