Publications of the Research Unit Digital Economy

  1. ZEW Discussion Paper No. 11-032 // 2011

    More Bits – More Bucks? Measuring the Impact of Broadband Internet on Firm Performance

    Numerous empirical studies at different levels of aggregation demonstrate the important role of information and communication technologies (ICT) for economic performance. As general purpose technologies ICT…

  2. ZEW-Branchenreport Informationswirtschaft // 2011

    Jahrgang 10, Nr. 1, April 2011

    Verschlechterung der Geschäftslage trübt die Stimmung im Wirtschaftszweig

    Im Wirtschaftszweig Dienstleister der Informationsgesellschaft hat sich die wirtschaftliche Lage im ersten Quartal 2011 gegenüber dem…

  3. ZEW Discussion Paper No. 11-025 // 2011

    Netzzugang, Wettbewerb und Investitionen

    We analyze the role of different contract types and access regulation on innovation and competition in telecommunications. Within a standard duopoly model we show that ex-post access contracts less often lead to…

  4. ZEW-Wachstums- und Konjunkturanalysen // 2011

    Nr. 1 (März) - 2011

    • Stabiles makroökonomisches Umfeld beflügelt die deutsche Wirtschaft
    • Die voraussichtliche Lage in der EWU
    • Ergebnisse der Februarumfrage 2011
    • Dienstleister der Informationsgesellschaft weiterhin positiv gestimmt
    • Die…
  5. ZEWnews English edition // 2011

    01/02 - 2011

  6. ZEW Discussion Paper No. 10-108 // 2010

    IT Outsourcing and Employment Growth at the Firm Level

    In the short run, outsourcing is usually associated with the resulting job losses in the contract granting firm, since in-house staff is generally laid-off or transferred to the outsourcing provider. However,…

  7. ZEW Discussion Paper No. 10-107 // 2010

    Cartel Destabilization and Leniency Programs – Empirical Evidence

    Free competition on markets is a major concern in competition policy. The cartelization of firms is a threat to free competition. One major instrument antitrust authorities have and use increasingly frequently…