This paper studies the relationship between wages and the degree of firm heterogeneity in a given industry under different wage setting structures. To derive testable hypotheses, we set up a theoretical model that analyses the sensitivity of wages to the variability in productivity conditions in...

In April 1995, 5.3 million people in Germany were on the lookout for a new job opportunity. 177,000 or nearly 3% of those were searching for an opportunity to get self-employed. In this study the determinants of the lookout for selfemployment in lieu of wage work are investigated separately for...

Dieser Beitrag stellt ausgew ahlte Ergebnisse des vom Zentrum für Europäische Wirtschaftsforschung (ZEW) im Auftrag des IAB und des Ministeriums für Arbeit und Soziales Rheinland-Pfalz bearbeiteten Forschungsprojekts "Arbeitsplatzeffekte gemeinnütziger Arbeitnehmerüberlassungen in...

In der folgenden Studie möchten wir ausgewählte Aspekte von intra- und intergenerationalen Umverteilungseffekten im System der bundesdeutschen Alterssicherung auf der Basis der Humankapitalheorie mit Simulationsmethoden analysieren. Falls es das Ziel der Politik ist, die Ungleichheit des...

Public procurement has been at the centre of recent discussions on innovation policy on both European and national levels (e.g., Aho-Report, Barcelona Strategy). It has a large potential to stimulate innovation since it accounts for 16% of combined EU-15 GDP. We embed public procurement for...

This paper investigates the development of basic cognitive, motor and noncognitive abilities from infancy to adolescence. We analyse the predictive power of these abilities, initial risk conditions and home resources for children's achievement. Our data are taken from the Mannheim Study of...

This paper investigates the impact of in-house R&D and innovation management practices on innovation success in small and medium-sized firms (SMEs). While there is little doubt about the significance of technology competence for generating successful innovations, inhouse R&D activities may be a...

This paper analyses whether wages in Germany respond to firm-specific profitability conditions. Particular emphasis lies on the question of whether the extent of rent-sharing varies across different systems of wage determination. Those may be categorised into sector-specific wage agreements,...