(1)Ray Y. Chou, and Kenneth F. Kroner, 1992, ARCH modeling in finance: A review of the thoery and empirical evidence, Journal of Econometrics 52, 5-59.

(2)Ludger Hentschel, 1992, No news is good news: An asymmetric model of changing volatility in stock returns, Journal of Finance Economics 31, 281-318

(3)Merton, Robert C., 1980, On estimating the expected return on the market: An exploratory investigation, Journal of Financial Econometrics 8, 323-361

这些文献都在 science direct 中，可是图书馆的数据库都没法下。顺便请教，有没有办法在下到这些年代较早的文献？

谢谢楼下的同学，不过您给的不是我要找的文献～