ZEW Discussion Papers

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. 97-27 // 1997

    Citation Frequency and the Value of Patented Innovation

    Through a survey, economic value estimates were obtained on 962 inventions made in the United States and Germany and on which German patent renewal fees were paid to full-term expiration in 1995. A search of…

  2. ZEW Discussion Paper No. 97-26 // 1997

    Double Dividend of Climate Protection and the Role of International Policy Coordination in the EU - An Applied General Equilibrium

    National economic concerns still hinder the implementation of effective policy measures that would enable a significant reduction of greenhouse gas emissions. Considering other economic problems like…

  3. ZEW Discussion Paper No. 97-25 // 1997

    East-West German Wage Convergence - How far have we got ?

    East-west German wage convergence in the period 1990 to 1995 is analyzed on the basis of the German Socio-Economic Panel. Empirical wage equations show that the west German wage structure has remained fairly…

  4. ZEW Discussion Paper No. 97-23 // 1997

    A Simple Test of the Effiency Wage Hypothesis Revisted

    Gerlach and Stephan (1994) proposed a test based on the idea that the "wage premium", the part of the wage which is not explained by the stock of human capital, should help predict variables such as career…

  5. ZEW Discussion Paper No. 97-22 // 1997

    Welche Bedeutung haben Unternehmenscharakteristica und regionales Umfeld für die Beschäftigungsdynamik? Eine mikroökonometrische Analyse für das ostdeutsche Verarbeitende Gewerbe

    In this paper, we analyse the influence of firm characteristics and the regional environment on employment growth of East German manufacturing firms between 1992 and 1996. Our results confirm the negative impact…

  6. ZEW Discussion Paper No. 97-20 // 1997

    Innovation und Information Technology Services

    The missing effect of investments of firms in information and communication technologies on productivity is studied by various recent papers (e.g. Olinerand Sichels 1994, Landauer 1995, Brynjolfsson and Hitt…