1. 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…

  2. 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…

  3. 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…

  4. 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…

  5. 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…

  6. ZEW Discussion Paper No. 04-64 // 2004

    GPD-linked Bonds as a Financing Tool for Developing Countries and Emerging Markets

    The paper examines the applicability of GDP-linked bonds for the financing of developing countries and emerging markets. GDP-linked bonds are bonds of which the coupon and/or redemption payments are tied to…

  7. ZEW Discussion Paper No. 04-62 // 2004

    Computer Use and the Employment Status of Older Workers - An Analysis Based on Individual Data

    This paper analyzes the determinants of computer use by male employees and estimates the impact of computer use on the employment status for older workers, based on individual data from the German Socio-Economic…

  8. ZEW Discussion Paper No. 04-61 // 2004

    A Note on Implementing Box-Cox Quantile Regression

    The Box-Cox quantile regression model using the two stage method introduced by Chamberlain (1994) and Buchinsky (1995) provides an attractive extension of linear quantile regression techniques. However, a…

  9. ZEW Discussion Paper No. 04-57 // 2004

    Censored Quantile Regressions and the Length of Unemployment Periods in West Germany

    We apply censored quantile regressions to representative German register data with more than 91,000 observations in order to determine crucial factors that influence the distribution of unemployment duration in…

  10. ZEW Discussion Paper No. 04-56 // 2004

    The Link between R&D Subsidies, R&D Spending and Technological Performance

    This paper analyzes the effects of public R&D funding on R&D expenditure and patenting behavior of German firms. The main focus is the direct impact of subsidies on R&D and the indirect effect on innovation…

  11. ZEW Discussion Paper No. 04-55 // 2004

    Using Innovation Survey Data to Evaluate R&D Policy: The Case of Belgium

    This study focuses on the impact of R&D policies in Flanders. We conduct a treatment effects analysis at the firm level to investigate possible crowdingout effects on the input side of the innovation process.…

  12. ZEW Discussion Paper No. 04-53 // 2004

    Semiparametric Estimation of Consumption Based Equivalence Scales – The Case of Germany

    Consumption based equivalence scales are estimated by applying the extended partially linear model (EPLM) to the 1998 German Income and Consumption Survey (EVS). In this model the equivalence scales are…