Publications of the Research Unit Digital Economy

  1. ZEW Newsletter // 2017

    2016-07

    1. News
    2. Staff
      • Visiting Researchers
    3. Press Releases
    4. Recent Publications
    5. IN ENGLISH
      • Financial Market Report Switzerland
      • ZEW Discussion Papers
      • Expertises/Research Reports
      IN GERMAN
      • ZEW-Fina…
  2. ZEW-Branchenreport Informationswirtschaft // 2016

    4. Quartal 2016

    • Mit Optimismus ins neue Jahr
    • Social Media – Ungewisse Bedeutung, aber hohes Potenzial
  3. ZEW Discussion Paper No. 16-092 // 2016

    IT Outsourcing and Firm Productivity: Eliminating Bias from Selective Missingness in the Dependent Variable

    Missing values are a major problem in all econometric applications based on survey data. A standard approach assumes data are missing-at-random and uses imputation methods, or even listwise deletion. This…

  4. ZEW Discussion Paper No. 16-081 // 2016

    Public ICT Investment in Reaction to the Economic Crisis – A Case Study on Measuring IT-related Intangibles in the Public Sector

    In this paper, we (1) analyse the German public IT-spending programme 2009-11 adopted after the crisis in terms of its tangible vs. intangible asset creation, (2) consider this relatively well-described…