We investigate how the introduction of an Active Choice requirement influences subject proclivity to contribute to an impure public good in one time and repeated interactions. In a large-scale field experiment,…
This review summarizes the empirical literature on the effects of natural disasters and weather variations on international trade flows. A first result is that the body of literature is actually not as small as…
Evidence-based STI (science, technology, and innovation) policy making requires accurate indicators of innovation in order to promote economic growth. However, traditional indicators from patents and…
Das Zentrum für Europäische Wirtschaftsforschung (ZEW) erhebt seit 1993 jährlich die Innovationsaktivitäten der deutschen Wirtschaft. Die Erhebungen finden im Auftrag des Bundesministeriums für Bildung und…