ZEW Discussion Papers

The majority of industrial organizations literature on network externalities looks at firm behavior under given market characteristics. The present paper instead asks the question whether the presence of network…

In this paper, we study the effect of skill-biased technological change on unemployment when benefits are linked to the evolution of average income and when this is not the case. In the former case, an increase…

This paper uses Granger non{causality tests to analyze if channel competition exists between the companion websites of 93 German newspapers observed between I/1998 and II/2005. It provides econometric evidence…

Based on unique administrative data, which has only recently become available, this paper estimates the employment effects of the most important type of public sector sponsored training in Germany, namely the…

Syndication, which is a joint realization of one project/one investment by several capital providers, is a long existing phenomenon that plays a central role in many financial market segments. Within this paper…

In this analysis, the informational content of central bank rhetoric is assessed based on the experience with the ECB since 1999. Among the ECB’s communication channels we focus on the monthly press conferences.…

Dieser Artikel beschäftigt sich mit den Unterschieden zwischen Geld- und Fiskalpolitik, die für die unterschiedliche institutionelle Ausgestaltung dieser beiden Bereiche der Wirtschaftspolitik in der…

We report empirical evidence from the first field experiments to be conducted in Germany with program and control groups between 1999 and 2002. The evaluated program called ”Targeted Negative Income Tax (TNIT)”…

In many econometric applications it is unclear from the very beginning whether a parametric functional of a continuous regressor should be specified as a linear, as a higher order polynomial or as a piecewise…