Publications of the Research Unit Digital Economy

  1. ZEW Discussion Paper No. 21-075 // 2021

    Healthy Reviews! Online Physician Ratings Reduce Healthcare Interruptions

    We show that review platforms reduce healthcare interruptions for patients looking for a new physician. We employ a difference-in-differences strategy using physician retirements as a “disruptive shock”…

  2. ZEW Discussion Paper No. 21-061 // 2021

    Chat More and Contribute Better: An Empirical Study of a Knowledge-Sharing Community

    We analyze whether an informal second channel for communication can improve the efficiency of knowledge transfer in an electronic network of practice. We explore this question by analyzing the effect of chat…

  3. ZEW-Branchenreport Informationswirtschaft // 2021

    2. Quartal 2021

    • Optimismus in der Informationswirtschaft
    • Homeoffice nach Corona: Erwartungen steigen
  4. Refereed Journal // 2021

    Big Tech Acquisitions — Towards Empirical Evidence

    Big Tech, commonly associated with the firms Google, Apple, Facebook, Amazon, and Microsoft (GAFAM), makes up the most valuable companies worldwide in 2020. In the ten years leading up to 2020, these five…

  5. ZEW Discussion Paper No. 21-051 // 2021

    Working From Home During COVID-19 and Beyond: Survey Evidence From Employers

    Based on survey responses from more than 1,700 managers in Germany, this study elicits employers’ perceptions of working from home during COVID-19 and their long-term expectations for the time after the…