1. ZEW policy brief Nr. 25-05 // 2025

    Privater Solarstrom: Vorabförderung besser als Einspeisevergütung

    Ob Investoren/-innen Photovoltaikanlagen (PV-Anlagen) einführen, hängt stark davon ab, ob es sich für sie lohnt. Hierbei spielen Subventionen eine starke Rolle. Das deutsche Förderprogramm basiert aktuell auf…

  2. ZEW Discussion Paper Nr. 25-029 // 2025

    Patents, Trade Secrets and Performance Aspirations in Family Firms

    We investigate whether family ownership is associated with a preference for patents or trade secrets. Using a sample of S&P 500 firms, we show that family ownership is negatively associated with patenting and…

  3. ZEW Discussion Paper Nr. 25-028 // 2025

    Do China’s Special Economic Zones Increase Incentives to Invest in R&D?

    China’s special economic zones (SEZs) have been established to foster business growth and innovation by improving the institutional context of specific sub-regional areas. We examine the effect of SEZs on the…

  4. ZEW Discussion Paper Nr. 25-027 // 2025

    The Effect of Airbnb on Housing Prices: Evidence from the 2017 Solar Eclipse

    This study estimates the causal impact of Airbnb expansion on local housing prices by exploiting the 2017 total solar eclipse as a natural experiment. The eclipse’s path of totality created a exogenous temporary…

  5. ZEW Monthly // 2025

    05/2025 – Junge Unternehmen

    Junge Unternehmen stehen für Innovation, Wandel und Wachstum – und sind damit ein zentraler Pfeiler für die wirtschaftliche Zukunft eines Landes. Doch die Gründungsdynamik in Deutschland lässt seit Jahren nach.…

  6. Discussion und Working Paper // 2025

    The Effect of Airbnb on Housing Prices: Evidence from the 2017 Solar Eclipse

    This study estimates the causal impact of Airbnb expansion on local housing prices by exploiting the 2017 total solar eclipse as a natural experiment. The eclipse’s path of totality created a exogenous temporary…

  7. Referierte Fachzeitschrift // 2025

    Contact time in GP Care: Descriptive patterns and a scoping review of the literature

    Background

    Contact time in general practice (GP) refers to the duration a physician spends with a patient during an appointment. There are significant differences in contact times across OECD countries, raising…