Insurance companies and banks regularly have to face stress tests performed by regulatory instances. To model their investment decision problems that includes stress scenarios, we propose the worst-case portfolio approach. Thus, the resulting optimal portfolios are already stress test prone by...

In this paper, we analyze data on trends since 2000 in foreign holdings of government securities and other debt securities, with emphasis on Japan and developing Asia. We find that foreign residents generally increased their holdings of Asian debt securities during the sample period and in...

In this paper, we analyze data on trends since 2000 in foreign holdings of government securities and other debt securities, with emphasis on Japan and developing Asia. We find that foreign residents generally increased their holdings of Asian debt securities during the sample period and in...

In an arbitrage free incomplete market we consider the problem of maximizing terminal isoelastic utility. The relationship between the optimal portfolio, the optimal martingale measure in the dual problem and the optimal value function of the problem is described by an BSDE. For a totally...