This paper shows that the presence of conditional staging in R&D (Research & Development) has a critical impact on portfolio risk, and changes diversification arguments when a portfolio is constructed. When R&D projects exhibit option-like characteristics, correlation between projects plays a...

We study how risk management through hedging impacts firms and competition among firms in the life insurance industry - an industry with over 7 Trillion in assets and over 1,000 private and public firms. We show that firms that are likely to face costly external finance increase hedging after...

While risk management gained popularity during the last decades even some of the basic risk types are still far out of focus. One of these is path dependency that refers to the uncertainty of how we reach a certain level of total performance over time. While decision makers are careful in...

Institutional investors pay considerable attention to the quality of a company's governance. Unfortunately, it is difficult for outside observers to reliably gauge governance quality. Oftentimes, poor governance manifests itself only after decisions have been made and their outcomes known. We...

This paper shows that the presence of conditional staging in R&D (Research & Development) has a critical impact on portfolio risk, and changes diversification arguments when a portfolio is constructed. When R&D projects exhibit option-like characteristics, correlation between projects plays a...

Starting from the Merton framework for firm defaults, we provide theanalytics and robustness of the relationship between defaultprobabilities and default correlations. We show that loans with higherdefault probabilities will not only have higher variances but also highercorrelations with other...

This paper investigates the extent to which corporate cash holdings protect firms from the adverse consequences of shocks to their borrowing cost. It develops a dynamic model of corporate investment and financing decisions subject to real and financial frictions. The calibrated model matches the...

While risk management gained popularity during the last decades even some of the basic risk types are still far out of focus. One of these is path dependency that refers to the uncertainty of how we reach a certain level of total performance over time. While decision makers are careful in...

Estimation or mis-specification errors in the portfolio loss distribution can have a considerable impact on risk measures. This paper investigates the sensitivity of tail-related risk measures including the Value-at-Risk, expected shortfall and the expectile-quantile transformation level in an...

Die aktuellen EU-Solvabilitätsvorschriften sind seit ihrer Einführung in den Jahren1973 (Nichtlebensversicherungen) und 1979 (Lebensversicherungsunternehmen)Gegenstand massiver Kritik.1 Ein zentraler Kritikpunkt resultiert aus derTatsache, dass sich die EU-Solvabilitätsregeln lediglich am...