ZEW Discussion Papers

We estimate the determinants of various types of product innovation. Knowledge spillovers from rivals have a positive impact on incremental innovations. This impact is largely independent of the participation in…

The relationship between individual firms’ export behaviour and firm performance has been studied extensively in the economic literature. However, most studies from the field of economics only distinguish…

We estimate the effects of R&D on firms' credit ratings and on financial distress. The main purpose is the comparison of firms in Western Germany and Eastern Germany as a transitional economy. Innovative…

Subsidising research networks has become a popular instrument in technology policies, driven mainly by expected positive spillovers. In particular, the stimulation of R&D co-operation between scientific…

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…

In dieser Studie werden ausgewählte makroökonomische Determinanten der Anzahl der Selbständigen in fünfzehn Ländern Europas untersucht. Datenbasis sind die Arbeitskräfteerhebungen der Europäischen Union für die…

New version, original title: Consumption-Based Asset Pricing with a Reference Level: New Evidence from the Cross-Section of Stock Returns

This paper presents an empirical evaluation of recently proposed asset…

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…