The importance of digital platforms and related data-driven business models is ever increasing and poses challenges for the workability of competition in the respective markets (tendencies towards dominant platforms, paying-with-data instead of traditional money, privacy concerns, etc.). Due to...

Online platforms have become one of the most important business models of the digital economy and likely counteracted some of the drop in economic activity during the COVID-19 pandemic. At the same time, platform markets are subject to controversial debates about market power and the need for...

The importance of digital platforms and related data-driven business models is ever in-creasing and poses challenges for the workability of competition in the respective markets (tendencies towards dominant platforms, paying-with-data instead of traditional money, privacy concerns, etc.). Due to...

The COVID-19 pandemic has massively impacted the health of many people worldwide and poses significant challenges for our social, economic, and political life. Global vaccination should help the world overcome the pandemic and return to a "normal" life. In Germany, the Federal Ministry of Health...

The use of smartphone apps has numerous advantages for app providers and users. However, the users of many smartphone apps are confronted with a trade-off between usage benefits and preferences for personal data protection. We investigate the acceptability of data sharing in different...