What happens to demand if a magazine launches a website? This question is empirically analyzed for the German women?s magazine market, a particularly large segment of the German magazine where fierce competition is reigning. Models for differentiated product demand are estimated on panel data...

Die aktuelle Diskussion um die Novellierung der deutschen Pressefusionskontrolle macht deutlich, welche Relevanz medienökonomische Fragestellungen haben. Was jedoch bei dieser Diskussion häufig vernachlässigt wird, ist die intensive Betrachtung der Ökonomischen Besonderheiten von...

Any serious empirical study of factor substitutability has to allow the data to display complementarity as well as substitutability. The standard approach reflecting this idea is a translog specification – this is also the approach used by numerous studies analyzing the relative capital-skill...

This paper compares technologies across space and time on the basis of factual and counterfactual substitution elasticities and argues that differences in estimated substitution elasticities should be decomposed into two counterfactual components. While the first component is designed to...

This paper deals with a special type of voluntary approach to protect the environment, for example, that we would like to term voluntary commitment. Its major characteristic is that it represents a unilateral declaration without a decisively active role of regulators. In other words, voluntary...

Dieser Beitrag untersucht die Entscheidung junger Mütter, die im Jahr vor der Geburt eines Kindes berufstätig waren, in einem Zeitraum von bis zu drei Jahren nach der Geburt auf den Arbeitsmarkt zurückzukehren. Neben dem Einfluss sozioökonomischer Faktoren werden die Auswirkungen...

It is often noted that employment rates of females have been rising during the last decades. However, in contrast to men, women are often part-time employed and the allocation of working time over the life-cycle is linked to family formation. In addition, employment rates may differ across skill...

This paper compares the work attachment of French and German women after childbirth. Both fertility and employment of mothers are higher in France than in Germany. Since the sample of mothers deciding on employment after a child is born might not be representative for all women, we take account...

Labor market participation rates of West German females have risen during the last decades, whereas participation rates of males have declined or remained stable. Nevertheless, differences in aggregate gender specific participation rates remain. The purpose of this paper is to compare life cycle...

The creation of spinoff companies is often promoted as a desirable mechanism for transferring knowledge and technologies from research organizations to the private sector for commercialization. In the promotion process, policymakers typically treat these 'university' spinoffs like industry...