1. ZEW Discussion Paper Nr. 04-18 // 2004

    Agglomeration, Population Size, and the Cost of Providing Public Services: An Empirical Analysis for German States

    This paper is concerned with the question as to what extent population size and density affect the cost of providing public services at the subnational level. Empirical estimates of cost functions are obtained…

  2. ZEW Discussion Paper Nr. 04-17 // 2004

    What a Difference Immigration Law Makes: PISA Results, Migration Background and Social Mobility in Europe and Traditional Countries of Immigration

    The purpose of this article is to evaluate the importance of social class, migration background and command of national languages for the PISA school performance of teenagers living in European countries…

  3. ZEW Discussion Paper Nr. 04-16 // 2004

    Who Are the True Venture Capitalists in Germany?

    In this paper, we analyze the investment and divestment patterns of different types of venture capitalists. Using a data set embracing all venture-backed IPOs that occurred on Germany's Neuer Markt we…

  4. ZEW Discussion Paper Nr. 04-14 // 2004

    Measuring Sustainable Development: The Use of Computable General Equilibrium Models

    This paper advocates computable general equilibrium models as a methodological tool that is particularly suitable for measuring the impacts of policy interference on the three dimensions of sustainable…

  5. ZEW Discussion Paper Nr. 04-13 // 2004

    Ausmaß und Konsequenzen von Lohnrigiditäten

    In diesem Beitrag werden Ausmaß und Konsequenzen von nominalen und tariflichen Lohnrigiditäten mikroökonomisch und mikroökonometrisch untersucht. Die Analyse verdeutlicht, dass in Deutschland Lohnrigiditäten…

  6. ZEW Discussion Paper Nr. 04-06 // 2004

    ICT, Innovation and Business Performance in Services: Evidence for Germany and the Netherlands

    Using panel data for German and Dutch firms from the services sector, this paper analyses the importance of ICT capital deepening and innovation for productivity. We employ a model that takes into account that…