ZEW Discussion Papers

ZEW Discussion Papers
ZEW Discussion Papers
Periodical ZEW Publications
Publication Series
ZEW Expertises & Research Reports
External Research Publications

Researchers at the ZEW participate in scientific debates by publishing their papers. The papers are predominantly in English (marked). For the German papers an English abstract is available. The contributions are intended for a final publication in special interest titles. The discussion papers can be downloaded as PDF or PostScript files starting from 1.1.1998. They aimed at national and international target groups.

  1. ZEW Discussion Paper No. 02-44 // 2002

    Flexibility Provisions in Multilateral Environmental Treaties

    In international politics, intergovernmental treaties provide the rules of the game. Similar to private law, treaty designers face a trade-off between flexibility to adjust to unforeseen contingencies and the…

    Environmental and Climate Economics
  2. ZEW Discussion Paper No. 02-43 // 2002

    Does Experience Matter? Innovations and the Productivity of ICT in German Services

    In this paper, it is argued that ICT investment is closely linked with complementary innovations and most productive in firms with innovative experience. In an analysis based on firm–level panel data covering…

    Digital Economy
  3. ZEW Discussion Paper No. 02-42 // 2002

    What's Spurious? What's Real? Measuring the Productivity Impacts of ICT at the Firm-Level

    In order to assess the productivity effects of information and communication technologies (ICT), regressions based on cross–sectional firm–level data may yield unreliable results for the commonly employed…

    Digital Economy
  4. ZEW Discussion Paper No. 02-41 // 2002

    Genetic Algorithms: A Tool for Optimization in Econometrics – Basic Concept and an Example for Empirical Applications

    This paper discusses a tool for optimization of econometric models based on genetic algorithms. First, we briefly describe the concept of this optimization technique. Then, we explain the design of a…

    Economics of Innovation and Industrial...
  5. ZEW Discussion Paper No. 02-40 // 2002

    Mixed Motives: An Empirical Analysis of ILO Roll-Call Votes

    In this empirical paper, we look at individual voting behaviour of government delegates to the International Labour Organization (ILO). We distinguish between the instrumental motive for voting, which consists…

    Labour Markets and Social Insurance
  6. ZEW Discussion Paper No. 02-39 // 2002

    Taxation and Unemployment: An Applied General Equilibrium Approach for Germany

    This paper presents an applied general equilibrium model for Germany. The model integrates specific labour market institutions in an otherwise standard general equilibrium framework. There are sectoral wage…

    Labour Markets and Social Insurance
  7. ZEW Discussion Paper No. 02-38 // 2002

    Simulated Classical Tests in the Multiperiod Multinomial Probit Model

    This paper compares different versions of the simulated counterparts of the Wald test, the score test, and the likelihood ratio test in the multiperiod multinomial probit model. Monte Carlo experiments show…

    Environmental and Climate Economics
  8. ZEW Discussion Paper No. 02-37 // 2002

    Welche Regionen profitieren von Venture Capital-Aktivitäten?

    Venture capital is assumed to play an important role for the commercialization of innovative ideas and the development of high-technology industries in a region. This paper deals with the regional distribution…

    Economics of Innovation and Industrial...
  9. ZEW Discussion Paper No. 02-36 // 2002

    Relative Specialisation of EU Regions: An Econometric Analysis of Sectoral Gross Fixed Capital Formation

    This paper analyses the level of relative specialisation in terms of gross fixed capital formation in EU regions for the period between 1985 and 1994. Controlling for heteroscedasticity and potential endogeneity…

    Pensions and Sustainable Financial...