A major topic in retail lending is the measurement of the inherent portfolio credit risk. Two importantparameters are default probabilities (PDs) and correlations. Both are considered in theNew Basel Accord. Due to limited empirical evidence on their magnitude, in particular for retailcredit...

We use a dynamic adjustment model and panel methodology to investigatethe determinants of a time- varying optimal capital structure. Because firmsmay temporarily deviate from their optimal capital structure in the presenceof adjustment costs, we also endogenize the adjustment process. In partic...

We analyze the asset allocation decisions of different investor groups and investigate how their investmentbehavior changes with macroeconomic conditions. Using a new data set that includes themonthly portfolio holdings of private, commercial, and institutional investors deposited with...

Das deutsche Geschäftsmodell, geprägt durch eine industriebasierte, dienstleistungsergänzte, exportorientierte und regional balancierte Struktur, steht unter erheblichem Druck, Seit 2018 schrumpft die Industrieproduktion, während die Bruttowertschöpfung zwar stabil bleibt, jedoch stagniert,...

Zwar sind Anzeichen einer konjunkturellen Erholung nach Phasen der Stagnation und Rezession erkennbar, doch um einen nachhaltigen wirtschaftlichen Aufschwung zu erreichen, müssen notwendige Strukturreformen durchgesetzt werden. Insbesondere bei kleinen und mittelständischen Unternehmen führen...

We measure the cost of consumption fluctuations using an approach that does not require the specification of preferences and instead uses asset prices. We measure the marginal cost of consumption fluctuations, the per unit benefit of a marginal reduction in consumption fluctuations...

The main objective of this work is to develop a general equilibrium business cycle model linking financial and real estate markets to the macroeconomy. The ability of a production economy to account simultaneously for asset pricing, business cycle and real estate market facts is then evaluated...

We are interested in the macroeconomic implications of the separation of ownership and control. An alternative decentralized interpretation of the stochastic growth model is proposed, one where shareholders hire a self-interested manager who is in charge of the firm’s hiring and investment...