1. Discussion and Working Paper // 2004

    Are Wages in Southern Europe More Flexible? The Effects of Cohort Size on European Earnings

    We exploit the cross–country and time variation in the demographics and education structure of 11 European countries to study how cohort size has affected real earnings in Europe. When we pool the data of all…

  2. Expertises // 2004

    Der IBC Taxation Index 2003 - Eine geographische Erweiterung

    This publication presents the effective tax burden of companies and on highly skilled man power of additional regions in Europe and complements the IBC Taxation Index 2003.

  3. ZEW Discussion Paper No. 04-73 // 2004

    Employment Effects of Different Innovation Activities: Microeconometric Evidence

    Using the model recently developed by Jaumandreu (2003) this paper reports new results on the relationship between innovation and employment growth in Germany. The model is tailor-made for analysing firm-level…

  4. ZEW Discussion Paper No. 04-72 // 2004

    Determinants of Patent Litigation in Germany

    This paper presents an empirical analysis of the determinants of patent litigation in Germany, based on information from suits filed during the period from 1993 to 1995 at two of the three most important…

  5. ZEW Discussion Paper No. 04-71 // 2004

    Integrated Product Policy and Environmental Product Innovations: An Empirical Analysis

    The European Commission has recently stepped up its promotion of the ‘Integrated Product Policy’. The objective of the IPP is to support the realisation of environmental product innovations and thus to achieve…

  6. ZEW Discussion Paper No. 04-70 // 2004

    Decision-Making of the ECB: Reform and Voting Power

    The ECB reform is designed to meet the challenges of an enlarged monetary union in the ECB Council. The reform is assessed by analysing alternatives for the classification of governors into groups of the…

  7. ZEW Discussion Paper No. 04-67 // 2004

    Using Methods of Treatment Evaluation to Estimate the Wage Effect of IT Usage

    In this study, I analyze the relationship between IT use and wages in West Germany in 1998/99. I use two estimation approaches: regression based matching and matching on the propensity score. The richness of the…