Publications of the Research Unit Digital Economy

  1. ZEW Discussion Paper No. 05-52 // 2005

    The Virtual Location of E-Tailers: Evidence from a B2C E-Commerce Market

    An Internet retailer’s (e-tailer’s) outstanding virtual location enhances the probability of being noticed by potential customers. The notion of a virtual location for e-tailers refers to the analogy to the…

  2. ZEW Discussion Paper No. 05-49 // 2005

    Do Magazines’ “Companion Websites” Cannibalize the Demand for the Print Version?

    We analyze the relationship between website visits, magazine demand and the demand for advertising pages using Granger non-causality tests on the basis of an extensive and externally audited quarterly data set…

  3. Refereed Journal // 2005

    What's Spurious? What's Real? Measuring the Productivity Impacts of ICT at the Firm Level

    In order to assess the productivity effects of information and communication technologies (ICT), regressions based on cross-sectional firm-level data may yield unreliable results for the commonly employed…

  4. Refereed Journal // 2005

    Does Experience Matter? Innovations and the Productivity of ICT in German Services

    In this paper, it is argued that investment in information and communication technologies (ICT) are closely linked to complementary innovations and are most productive in firms with experience from earlier…

  5. ZEW Discussion Paper No. 05-40 // 2005

    The Effects of Changes in the Unemployment Compensation System on the Adoption of IT by Older Workers

    Two main hypotheses can be found in literature on why elderly workers have a lower probability of using information technology than their younger peers: lower learning capabilities and reduced incentives to…

  6. ZEW-Branchenreport Informationswirtschaft // 2005

    Jahrgang 4, Nr. 4 , Dezember 2005

    Stabilisierung auf hohem Niveau

    Die Dienstleister der Informationsgesellschaft schliessen das Jahr 2005 mit einer günstigen Geschäftsentwicklung ab. Der ZEW-IDI, Stimmungsindikator für diesen…

  7. ZEW-Wachstums- und Konjunkturanalysen // 2005

    Nr. 4 (Dezember) - 2005

    • Konjunkturaussichten für Deutschland - heiter bis wolkig
    • Die voraussichtliche Lage in der EWU
    • ZEW-Finanzmarkttest: Ergebnisse der Novemberumfrage 2005
    • Dienstleister der Informationsgesellschaft: Aufschwung setzt…
  8. ZEW-Branchenreport Informationswirtschaft // 2005

    Jahrgang 4, Nr. 3 , Oktober 2005

    Dienstleister der Informationsgesellschaft: Aufschwung setzt sich fort

    Die Dienstleister der Informationsgesellschaft haben im dritten Quartal 2005 an die gute konjunkturelle Entwicklung des Vorquartals…