We implement an endogeneous switching-regression model for labour productivity and firms' decision to use business--to--business (B2B) e--commerce. Our approach allows B2B usage to affect any parameter of the…
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…
Mit den Daten des Mannheimer Innovationspanels wird für die Jahre 1999 bis 2002 untersucht, welche Faktoren die zweistufige betriebliche Weiterbildungsentscheidung determinieren. Eine Probit-Schätzung zeigt,…
This paper analyzes the regional dimension of the German digital divide. It considers the impact of regional characteristics on differences in the share of Internet use between German counties. In addition, it…
Academic spin-offs are one way in which employability of university graduates is reflected. Using the ZEW spinoff-survey, this paper studies empirically the impact of human capital on the success of academic…
Der ZEW-IDI, Stimmungsindikator für den Wirtschaftszweig Dienstleister der Informationsgesellschaft, ist im vierten Quartal 2006 leicht um 0,2 Punkte gestiegen und liegt nun bei einem…
