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 study was prepared by Andreas Kuhlmann, while he was working with the Ifo Institute for Economic Research. It was completed in September 2006 and was accepted as a Ph.D. thesis by the Economics Department of the University of Munich. The subject of this study is the analysis of network...