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. 03-48 // 2003

    What Determines the ZEW Indicator?

    This paper analyzes which factors are driving the ZEW Indicator of Economic Sentiment. Using the results of a poll among survey participants as well as Granger causality tests we identify three groups of…

  2. ZEW Discussion Paper No. 03-47 // 2003

    Works Councils and the Productivity Impact of Direct Employee Participation

    This paper measures the productivity impact of management-led participative establishment practices. On the basis of a representative German establishment data set, the IAB establishment panel, the study finds…

  3. ZEW Discussion Paper No. 03-46 // 2003

    Strategic Complementarities Between Different Types of ICT–expenditures

    Multivariate Tobit models are estimated using German cross–sectional data to test whether strategic complementarities exist between expenditures in four different types of ICT–components. If two…

  4. ZEW Discussion Paper No. 03-44 // 2003

    Is the Behavior of German Venture Capitalists Different? Evidence from the Neuer Markt

    Using a unique, hand-collected database of all venture- backed firms listed on Germany's Neuer Markt, we analyze the history of venture capital financing of these firms before the IPO and the behavior of venture…

  5. ZEW Discussion Paper No. 03-42 // 2003

    Changes in Union Membership Over Time: A Panel Analysis for West Germany

    Despite the apparent stability of the wage bargaining institutions in West Germany, aggregate union membership has been declining dramatically since the early 90's. However, aggregate gross membership numbers do…

  6. ZEW Discussion Paper No. 03-40 // 2003

    Knowledge Flows, R&D Spillovers and Innovation

    Knowledge flows within and across countries should be carriers of important learning spillovers. We use data on 1.5 million patents and 4.5 million citations to analyze knowledge flows across 147 subnational…

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Kerstin Heres

Kerstin Heres

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