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…

Zahlreiche Studien weisen auf hohe Misserfolgsquoten von Unternehmenszusammenschlüssen hin, messen dies jedoch vor allem anhand finanzieller Indikatoren, während eine mitarbeiterbezogene Betrachtung unterbleibt.…

This research investigates the hypothesis that publicly funded scientific research complements private R&D investment in the pharmaceutical industry. New microlevel data on public research investment by 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…

This paper tests some of the predictions of recent advances in trade theory that have focused on different trade patterns of firms within the same sector. Helpman, Melitz and Yeaple (2005) develop a model in…

The paper empirically analyses the effect of R&D activities, human resource and knowledge management, and the organisation of knowledge sharing within a firm on the absorptive capacity of innovative firms for…