In this paper we show that by assuming a constant variance/covariance matrix over the holding period, the VaR limits can often be exceeded within the relevant horizon period. To minimize this risk, we formulate the problem in terms of portfolio selection and propose an innovative methodology...

In the years since the subprime financial crisis of 2007–2011, we have learned a number of important lessons about the crisis, and have subsequently applied appropriate legislation, such as increased capital ratios and systematic stress testing, in order to combat it. However, it would be...