In response to strong revenue and income losses that a large share of the self-employed faced during the COVID-19 pandemic, the German federal government introduced a €50bn emergency aid program. Based on real-time online-survey data comprising more than 20,000 observations, we analyze the...

Theory suggests that new market entrants play a special role for the creation of new technological pathways required for the development and diffusion of more sustainable forms of production, consumption, mobility and housing. Unconstrained by past technological investments, entrants can...

Sampling poses an interesting problem in markets with experience goods. On the one hand, free samples reveal product quality and help consumers to make informed purchase decisions (promotional effect). On the other hand, sampling may induce consumers to substitute purchases with free consumption...

Die moderne Wissenschaft konstituierte sich im 19. Jahrhundert als eine spezifische Form sozialer Praxis - ausgeübt von zertifizierten Experten, die ihre Forschungsarbeit in ausgewiesenen institutionellen (Labor-) Settings betreiben, in fachspezifischen Medien miteinander kommunizieren und die...