In this paper, we show that coherent upper and lower previsions as well as coherent risk measures are only meaningful … extend coherence to all possible situations of initial wealth. Since a coherent risk measure is the negative of a coherent … lower prevision, all results presented in this paper can easily be reformulated in terms of risk measures. Finally, we …

risk capital needed for a portfolio of random activities should be allocated to its components. The well known allocation … model with expected shortfall as corresponding risk value is a prominent member of this class. Our contribution values also …

We derive a general framework for collateral risk control determination for central bank's open market operations. This … framework allows us to determine the schedule of haircuts consistent with the risk tolerated by the central bank while at the …, if the bank fixes its risk exposure, which is related to its risk appetite, the required haircut can be extracted …

arguably a superior proxy to credit risk than bond spreads. The variables considered include fixed-income as well as equity … markets data. We thus provide an international analysis of corporate credit risk, and some results on sovereign risk. Simple … bond spreads when pricing credit risk. …

analyzed in this pap er reinsurance markets are unable to cope with this risk completely. Insurance-linked securities, such as … cat bonds, have been issued to complete the international risk transfer process, but their development is disappointing so … far. This paper argues that downside risk aversion and ambiguity aversion explain the limited success of cat bonds. Hybrid …

to condition default intensities of mortgages on relevant economic risk drivers. We calibrate our model on a large … from CreditRisk+ as commonly applied in the industry. The conditional loss distribution and risk measures for a large … aggregated res-idential mortgage default risk is not only driven by the rating but also by variables such as the loan …

financial applications. In particular we focus on issues arising in the estimation and the empirical choice of copulas as well …

explained by an individual’s perception of the risk that is involved whenever an outcome is to be received in the future. This … risk may concern the size of the actual outcome or the endowment consumption stream to which the outcome is added. Both … experiments. We show how relative degrees of changes in risk over time can predict choices. …

The aim of this paper is to study the impact of bankruptcy law on financing, investment, default and liquidation …. Because of risk, the firm may default. The firm manager takes investment and default decisions in order to maximize the value … parameters that summarize the bankruptcy procedure. …

reinsurance companies, financial markets have failed to displace reinsurance as the primary risk-sharing vehicle for natural … catastrophe risk. We show that this failure can be explained by differences in information gathering incentives between financial … markets and reinsurance companies. Using a simple model of an insurance company that seeks to transfer a fraction of its risk …