Publications of the Research Unit Digital Economy

  1. ZEW Discussion Paper No. 25-015 // 2025

    Competition Among Digital Services: Evidence From the 2021 Meta Outage

    On October 4, 2021, all services provided by Meta Platforms, Inc. (then Facebook, Inc.) became unavailable unexpectedly for all its worldwide users for a period of about six hours. We use detailed high‐frequency…

  2. ZEW Discussion Paper No. 25-016 // 2025

    Skills, Job Application Strategies, and the Gender Wage Gap: Evidence From Online Freelancing

    This paper examines how worker skills and job application behavior contribute to the gender wage gap on a major online freelancing platform. We observe significant occupational sorting by gender, with women…

  3. ZEW Monthly // 2025

    01/2025 – Digitalisation

    In an increasingly digitalised world, generative AI and big data technologies are opening up completely new horizons. Businesses harness the potential of these innovations to generate tailored content and…

  4. Refereed Journal // 2025

    Measuring the productivity effects of digital capital – A conceptual approach

    Productivity growth in the advanced economies has been slowing down for some time. This is surprising insofar as large-scale technological impulses are expected as a result of the digital revolution. An analysis…