摘要引言
金融机构面临着多种风险,例如市场风险、信贷风险、流动性风险、操作风险等等。金融机构特别关注不利的市场因素变化对资产价值所造成的影响,即需要估计经过已知时间间隔,资产组合价值可能减少的幅度及发生的可能性,这样就产生了风险价值的概念。风险价值(Value at Risk,简称VaR)的含义是“处于风险中的价值”,是指在市场波动下,某一金融资产或证券组合的最大可能损失,可表示为:
6Christoffersen P F.Evaluating interval forecasts[].International Economic Journal.1998
7Jenkinson A F.The frequency distribution of the annual maximum (or minimum) values of meteorological elements[].Quarterly Journal of the Royal Meteorological Society.1955
8Longin F M.The asymptotic distribution of extreme stock market returns[].Journal of Business.1996
9McNeil A J.Calculating quantile risk measures for financial return series using extreme value theory[]..1998
10Ho L C,Burridge P,Cadle J.Value-at-Risk: applying the extreme value approach to Asian markets in the recent financial turmoil[].Pacific Basin Finance Journal.2000