5IMrkoulas J, IMum C F. Long term dependence in stock returns[J]. Economics Letters, 1995, 53: 253- 259.
6Bollerslev T R, Chou Y, Kroner K F. ARCH modeling in finance: A review of the theory and empirical evidence[J].Journal of Econometrics, 1992, 52: 5-59.
7Black F. Studies of stock price volatility changes[A], Proceedings of the American Statistical Association, Business and Economics Statistics Section[C]. 1976. 177-181.
8Engle R F, Bollerslev T. Modeling the persistence of conditional variances [J]. Econometric Reviews, 1986,5: 1-50.
9Engle R F, Ng V K. Testing for common features[J]. Journal of Finance, 1993, 48: 1749-1778.
10Engle R F, Ito T, Lin W L. Meteor showers or heat waves? Hetroskedastic intra-daily volatility in the foreign exchange market[J]. Econometrica, 1990, 58: 525-542.