6Allen, L, Bali, T.G., Cyclicality in Catastrophic and Operational Risk Measurements[J]. Journal of Banking and Fi- nance, 2007 (31): 1191-1235.
7Chernobai, A., Yildirim, Y. The Dynamics of Operational Loss Clustering[J]. Journal of Banking and Finance, 2008 (32) : 2655-2666.
8Cummins, J.D., Lewis, C.M., Wei, R. The Market Value Impact of Operational Risk Events for US Banks and Insurers[J]. Journal of Banking and Finance, 2006 (30) : 2605-2634.
9Patell, J.M. Corporate Forecasts of Earnings Per Share and Stock Price Behaviour: Empirical Tests[J]. Journal of Accounting Research, 1976 (14): 246-276.