This paper presents a model that measures the impact of political risk on portfolio investment when the political risks are multivariate and correlated across countries. The multivariate approach generalizes the single country model but retains most of its characteristics in terms of its ability...

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...