Dieses Papier untersucht, inwieweit Multifaktormodelle nach Fama/French (1993) am deutschen Aktienmarkt die zeitliche Streuung von Renditen abbilden und Portfolio-Renditen im Querschnitt erklären können. Analog zu vergleichbar angelegten Studien am US-amerikanischen, kanadischen und britischen...

Dieses Papier betrachtet den Effekt der Umwelt- und Sozialperformance europäischer Unternehmen auf deren Shareholder Value. Der Shareholder Value wird dabei mit der durchschnittlichen monatlichen Aktienrendite zwischen 1996 und 2001 operationalisiert. Die Studie basiert auf zweistufigen...

This paper examines return predictability when the investor is uncertain about the right state variables. A novel feature of the model averaging approach used in this paper is to account for finite-sample bias of the coefficients in the predictive regressions. Drawing on an extensive...

In many situations the applied researcher wants to combine different data sources without knowing the exact link and merging rule. This paper introduces a theoretical framework how two different regional administrative data sources can be merged. It presents different merging schemes based on...

Employee resistance against innovations is a virulent phenomenon and there is a broad theoretical literature on its determinants. The empirical evidence is scarce, however, and mainly provides descriptive evidence on the incidence of the phenomenon and concentrates on the effectiveness of change...

Ideally a new reform of the EU trade regime for bananas (COMB) should be equipped in a way that it makes a long-term contribution to the realisation of sustainable goals, or at least does not prevent them. From a point of view of sustainable development, a trade restriction measure has to...

With the referral of the Kodak - Fuji market access dispute to the World Trade Organization, the role of retail distribution channel control by incumbent firms as a barrier to imports has drawn much interest. This paper reviews the issues from an historical perspective and analyzes the...