We analyze the effects of regional structures on both females? willingness to work and the probability of being employed for those willing to work. Special permission was granted to link regional data to individual respondents in the German Socio-Economic Panel (GSOEP). Results of a bivariate...

This paper develops a three stage oligopoly game for R&D cooperation, R&D expenditure and product market competition. In the first stage, firms decide whether or not to conduct R&D in cooperation with other firms. In the second stage the level of R&D investment is determined. Finally, firms...

Dieser Beitrag stellt verschiedene ökonometrische Methoden zur Bewertung und Berechnung von Kreditausfallrisiken vor und wendet diese auf einen aus Kreditakten von sechs deutschen Universalbanken zusammengestellten Datensatz an. Im Mittelpunkt stehen dabei (i) binäre bzw. geordnete Logit- und...

The theory of differential overqualification, developed by Robert Frank (1978), claims that married women in smaller labor markets have a higher risk of working in jobs for which they are overqualified. This stems from the problem of dual job search for couples which is much more difficult to...

This paper makes use of the regional variation in schooling legislation within the German secondary education system to estimate the causal effect of central exit examinations on student performance. We propose a difference-in-differences framework that exploits the quasi-experimental nature of...

Multivariate Tobit models are estimated using German cross-sectional data to test whether strategic complementarities exist between expenditures in four different types of ICT-components. If two ICT-components are complements, they are correlated (provided that agents act rationally)....

Virtually all empirical firm-level studies on the demand for labor do not include labor cost in the econometric specification. This is due to the fact that business and innovation survey data usually lack information on labor cost. This paper shows how reliable skill-specific and firm-specific...

This paper investigates the impact of modern information and communication technologies on the demand for heterogeneous labor. It starts with an interrelated factor demand system. The "desired" level of employment, which is needed in such models, is derived from a generalized Leontief cost...