Operationelle Risiken betreffen nahezu jede Geschäftstätigkeit von Banken. Sie verfügen über ein hohes Schadenspotential und stellen eine große Herausforderung für das Risikomanagement der Banken dar. Verena Bayer untersucht Ansätze zur Quantifizierung operationeller Risiken und der...

Using a unique data set on German banks' sector specific loan exposures to the real economy and the corresponding write-offs and write-downs, we examine the impact of loan portfolio sector concentration on credit risk. By controlling for common risk factors, we separate the bank-specific...

This paper conducts a broad-based comparison of iterated and direct multi-step forecasting approaches applied to both univariate and multivariate models. Theoretical results and Monte Carlo simulations suggest that iterated forecasts dominate direct forecasts when estimation error is a...