This paper estimates time-varying COVID-19 reproduction numbers worldwide solely based on the number of reported infected cases, allowing for under-reporting. Estimation is based on a moment condition that can be derived from an agent-based stochastic network model of COVID-19 transmission. The...

Die wissenschaftliche Disziplin der Wirtschaftsethik kann systematisch zwei Beiträge zur nachhaltigen Förderung globaler Ernährungssicherheit leisten. (a) Der erste Beitrag besteht darin, zur wirksamen Bekämpfung von Hunger und Armut konkrete politische Maßnahmen (sowie das Unterlassen...

In the last decades, NGOs have become an important participant in the work of political organizations (e.g., national authorities, the EU or the UN). This development brings many opportunities and also some challenges, including discourse failure which is one of the topics discussed in this...