This thesis strives to offer new insights in two main areas. First, in the well-researched domain of payment cards chapters 2 and 3 investigate an aspect that has hitherto been scantly examined, namely, the fact that merchant usage fees differ substantially among merchant sectors. Additionally,...

One of the major challenges that our world faces today and in the future is human-induced climate change. The primary cause of global warming, leading to climate change, is the burning of fossil fuels for energy and transport, which increases the concentration of greenhouse gases in the...

Die Komplexität und Kontroversen über Verbraucherwahrnehmung und Bewertung gesundheitsfördernder Eigenschaften von Lebensmitteln motivierten diese Dissertation. Die Kontroversen umfassen die nicht eindeutige Verbindung zwischen Einkommensniveau und der Nachfrage nach funktionellen...