ZEW Discussion Papers

Overview

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. 02-43 // 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…

  2. 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…

  3. ZEW Discussion Paper No. 02-07 // 2002

    Reassessing the Impact of High Performance Workplaces

    High performance workplace practices were extolled as an efficient means to increase firm productivity. The empirical evidence is disputed, however. To assess the productivity effects of a broad variety of…

  4. ZEW Discussion Paper No. 02-61 // 2002

    The Effects of Quotas on Vertical Intra-Industry Trade

    A quota on foreign competition will generally lead to quality-upgrading (downgrading) of the low-quality (high-quality) firm, an increase in average quality, a reduction of quality differentiation, and a…

  5. ZEW Discussion Paper No. 02-59 // 2002

    Backwardation and Normal Backwardation in Energy Futures Markets.

    We show that, since the inception of energy futures markets, prices have on average exhibited backwardation. Normal backwardation has also been the norm, but, because of the low power of the standard tests, most…

  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…

  7. 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…

  8. 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…

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Kerstin Heres

Kerstin Heres

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