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. 04-10 // 2004

    The Impact of Macroeconomic Uncertainty on Cash Holdings for Non-Financial Firms

    This paper investigates the effects of macroeconomic volatility on non–financial firms’ cash holding behavior. Using an augmented cash buffer–stock model, we demonstrate that an increase in macroeconomic…

  2. ZEW Discussion Paper No. 04-09 // 2004

    The Birth of German Biotechnology Industry: Did Venture Capital run the Show?

    We answer the questions, how many firms acting in the modern German biotechnology industry are funded by venture capital companies (VCC) as well as equity funded by corporate investors. The theory suggests a…

  3. ZEW Discussion Paper No. 04-08 // 2004

    Wann kehren junge Mütter auf den Arbeitsmarkt zurück?

    Dieser Beitrag untersucht die Entscheidung junger Mütter, die im Jahr vor der Geburt eines Kindes berufstätig waren, in einem Zeitraum von bis zu drei Jahren nach der Geburt auf den Arbeitsmarkt zurückzukehren.…

  4. ZEW Discussion Paper No. 04-07 // 2004

    Are Credit Ratings Valuable Information?

    Credit ratings are commonly used by lenders to assess the default risk, because every credit is connected with a possible loss. If the probability of a default is above a certain threshold, a credit will not be…

  5. ZEW Discussion Paper No. 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…

  6. ZEW Discussion Paper No. 04-05 // 2004

    Die Anatomie des Berufswechsels: Eine empirische Bestandsaufnahme auf Basis der BIBB/IAB-Daten 1998/1999

    In Deutschland stellen Personen, die ihre Berufsausbildung im Rahmen des dualen Systems oder durch den Besuch einer Berufsfachschule erworben haben, das Rückgrat der Beschäftigung dar. Trotz seiner Bedeutung…

  7. ZEW Discussion Paper No. 04-04 // 2004

    PISA: What Makes the Difference? Explaining the Gap in PISA Test Scores Between Finland and Germany

    The huge difference in the level and variance of student performance in the 2000 PISA study between Finland and Germany motivates this paper. It analyses why Finnish students performed so much better by…

  8. ZEW Discussion Paper No. 04-03 // 2004

    German Exchange Rate Exposure at DAX and Aggregate Level, International Trade, and the Role of Exchange Rate Adjustment Costs

    Non-technical Summary This study analyses the dollar exposure of large German companies, i.e. value change of companies associated with changes of the price of the US dollar, and the determinants of this…

  9. ZEW Discussion Paper No. 04-02 // 2004

    The Determinants and Effects of Environmental Product Innovations – An Analysis on the Basis of Case Studies –

    The aim of the Integrated Product Policy (IPP) is to promote product-related eco-innovations. These, in turn, depend on both support for the development of environmentally-friendly products and stimulation of…

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