Publications of the Research Unit Digital Economy

  1. ZEW Discussion Paper No. 01-72 // 2001

    Managerial Ownership and Firm Performance in German Small and Medium-Sized Enterprises

    We analyze the relationship between managerial ownership and company performance, testing the incentive and entrenchment hypothesis. Differently from previous literature, we focus on small and medium-sized…

  2. ZEW Discussion Paper No. 01-69 // 2001

    The Effects of Website Provision on the Demand for German Women’s Magazines

    What happens to demand if a magazine launches a website? This question is empirically analyzed for the German women’s magazine market, a particularly large segment of the German magazine where fierce competition…

  3. ZEW Discussion Paper No. 01-50 // 2001

    Differences in Response Patterns in a Mixed Mode - Online/Paper & Pencil Business Survey

    This paper investigates if significant differences exist between online and paper & pencil participants in a quarterly business survey in the German business-related services sector when respondents may freely…

  4. ZEW Discussion Paper No. 01-32 // 2001

    Productivity Effects of Organizational Change: Microeconometric Evidence

    This paper analyzes the relationship between investment in information and communication technology (ICT),non –ICT –investment,labor productivity and workplace reorganization. Firms are assumed to reorganize…

  5. ZEWnews English edition // 2001

    No. 4 - 2001

    • Firm Formations in Germany
    • Outsourcing of ICT-Services
    • Employment in the German Financial Sector
    • Corporate Taxation in Europe
    • Ecological Tax Reform: Good Idea, Bad Implementation
    • ZEW Financial Market Test
    • Publications
  6. ZEWnews English edition // 2001

    No. 3 - 2001

    • Eastern Germany: Large Income Gains Following German Reunification
    • ZEW Coordinates BLUEPRINT Network
    • Innovations in Germany: Market Novelties Gain Greater Importance
    • Ecological Products Create New Jobs
    • Tax Burdens…
  7. ZEWnews English edition // 2001

    No. 2 - 2001

    • A Useful Leading Indicator: ZEW Indicator of Economic Sentiment
    • Germany’s Innovation System Needs to Be Put on a Broader Basis
    • Part-Time Work in Germany
    • Patents: Europe Keeps Pace
    • Shortage of Skilled Labour Hampers…
  8. ZEW Discussion Paper No. 00-58 // 2000

    Quantification of Qualitative Data Using Ordered Probit Models with an Application to a Business Survey in the German Service Sector

    This paper aims at providing business survey analysts with simple econometric tools to quantify qualitative survey data. We extend the traditional and commonly applied method proposed by Carlson and Parkin…