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,...

This thesis combines five chapters, all of which have been motivated by the exciting and intense policy discussions that have been dominating the political and economic landscape in recent years. It covers European bank regulation and its effects on financial stability and economic welfare, the...