ZEW Discussion Papers

Violence at schools is a well-known problem in many societies. This paper assesses the degree of school violence in 11 European countries and analyzes the determinants of being a victim and its effect on student…

We present evidence on venture capitalists' (VCs) impact on turnover of executives for a sample of nearly 47,000 German high-tech start-ups between 1995 and 2004. We confirm that the presence of VCs increases…

Wie lässt sich die Grundsicherung in Deutschland effizienter und gerechter ausgestalten, wenn das Arbeitslosengeld II aus politischen Gründen nicht generell gesenkt werden soll und keine zusätzlichen unteren…

We estimate the effects of hiring subsidies for older workers on transitions from unemployment to employment in Germany. Using a natural experiment, our first set of estimates is based on a legal change…

This paper studies the incentives to undertake uncertain R&D initiatives in a dynamic duopoly network industry. It is shown that network externalities positively affect the incentives to invest in R&D. In the…

This paper analyzes the impact of network externalities on R&D competition between an incumbent and a potential entrant. The analysis shows that the incumbent always invests more than the entrant in the…

Recent labor market reforms in Germany aim, among other things, at reducing unemployment by restricting passive unemployment measures, emphasizing local labor market policies and re-structuring public employment…

Cross-border private equity deals have increased substantially in recent years. This study looks at the issue of how European investors view their local counterparts in the portfolio companies’ home countries.…

Gegenstand ist die Untersuchung der Auswirkungen der privaten, staatlich geförderten Altersvorsorge (Riester-Rente) auf die Alterseinkommen und die Konsummöglichkeiten im Alter nach Wohnkosten. Zu diesem Zweck…