1. ZEW Discussion Paper No. 09-040 // 2009

    Enterprise Systems and Labor Productivity: Disentangling Combination Effects

    Company-wide packages of enterprise software for planning and controlling business processes, referred to as enterprise systems, are widely used in many different industries throughout many countries around…

  2. Financial Market Report CEE // 2009

    August 2009

    • Economic Expectations for Central and Eastern Europe More Cautious
    • Czech Republic, Poland, and Slovakia: Expectations for Unchanged Economies
    • Hungary, Romania, and Croatia: Doubts About Current Situation
    • Special…
  3. ZEW Discussion Paper No. 09-039 // 2009

    Inventions under Siege? The Impact of Technology Competition on Licensing

    In recent years, the view on patents as an instrument for firms to appropriate the returns from inventive activities has shifted towards a more explicit consideration of a patent's strategic importance. In fact,…

  4. Refereed Journal // 2009

    Why Do Firms Train Apprentices? The Net Cost Puzzle Reconsidered

    Almost all papers on the motivation of German firms to train apprentices take as a stylised fact that training firms have to incur net costs. This notion stems practically from one source only - a series of…

  5. Contributions to Edited Volumes and Conference Proceedings // 2009

    Zur Zukunft der Lissabon-Strategie

  6. ZEW-Finanzmarktreport // 2009

    August 2009

    • Leichte Korrektur der Erwartungen
    • EZB: Zinsniveau angemessen
    • USA: Experten erwarten keine baldige Leitzinsanhebung
    • Japan: Konjunkturerwartungen nahezu unverändert
    • Großbritannien: Bank of England lässt Leitzinsen…
  7. Discussion and Working Paper // 2009

    Zeitpräferenzen von Kindern im Vorschulalter: Eine experimentelle Untersuchung im Rahmen des Sozio-oekonomischen Panels (SOEP)

    In dieser Arbeit werden anhand einer spezifischen Datenerhebung im Rahmen des Sozio-oekonomischen Panels (SOEP) mögliche Determinanten des Belohnungsaufschubs im Alter von fünf bis sechs Jahren untersucht (im…