With this dissertation, I aim to find out how it is possible for statutory child protection workers to reach decisions when elements as different as a child's needs and the costs of a service are to be connected in the process. How is it possible, for instance, to count costs and sense the needs...

This dissertation was written by Johannes Pfeiffer while he was working with the ifo Institute for Economic Research. It was completed in November 2016 and accepted as a doctoral thesis by the department of economics of the University Regensburg in December 2016. The thesis studies unintended...

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,...