Historical evidence like the global financial crisis from 2007-09 highlights that sector concentration risk can play an … II consider only name concentration risk explicitly in their solvency capital requirements for asset concentration risk … and neglect sector concentration risk. We show by means of US insurers' asset holdings from 2009 to 2018 that substantial …

Solvency II. However, there is evidence that the standard formula inaccurately reflects insurers’ risk situation and may … provide misleading steering incentives. In the second pillar, Solvency II requires insurers to perform a so-called “Own Risk … and Solvency Assessment” (ORSA). In their ORSA, insurers must establish their own risk measurement approaches, including …

This paper deals with stress tests for credit risk and shows how exploiting the discretion when setting up and … probabilities are less exposed to model and estimation risk. In addition, the risk horizon over which the stress default … extensive robustness checks for model-based credit risk stress tests. …

in the banking industry. Especially life insurance companies could serve as CoCo bond holders as they are already the … insurance and study the effects of various types of bonds such as non-convertible bonds, write-down bonds and CoCos on banks …' and insurers' risk situations. In addition, we compare insurers' capital requirements under the proposed Solvency II …

in the banking industry. Especially life insurance companies could serve as CoCo bond holders as they are already the … insurance and study the effects of various types of bonds such as non-convertible bonds, write-down bonds and CoCos on banks …' and insurers' risk situations. In addition, we compare insurers' capital requirements under the proposed Solvency II …

probabilities, on reduced-form credit risk stress testing. This type of uncertainty is omnipresent in most macroeconomic stress … testing applications due to short time series for banks' portfolio risk parameters and highly collinear macroeconomic … distributions and implied capital shortfalls by conducting a full-edged top-down credit risk stress test for over 1,500 German banks …

The regulatory use of banks' internal models makes capital requirements more risk-sensitive but invites regulatory … arbitrage. I develop a framework to study bank regulation with strategic selection of risk models. A bank supervisor can … discourage arbitrage by auditing risk models, and implements capital ratios less risk-sensitive than in the first-best to reduce …

exposed to credit and interest rate risk and demonstrates how the model can be calibrated empirically. The main features of … macroeconomic risk factors, 3) Principal component analysis helps to reduce the dimensionality of the space of systematic risk … factors, 4) Due to data limitations, the results of reverse stress tests are exposed to considerable model and estimation risk …