This research has been written in the course of my time on the Institute of Public Finance on the Albert-Ludwigs-University of Freiburg, Germany. i'm indebted to a couple of those who have made this paintings attainable. First and
finest, I thank my instructor Prof. Dr. Bernd Raffelhuschen ¨ with whom I had the excitement of operating for plenty of intriguing years. The German time period "Doktorvater" alludes to the fatherly position of a thesis manager, and he has truely
lived as much as this position. additionally, i'm thankful to Prof. Dr. Dr. h. c. Hans-Hermann Francke for his co-correction and the dear reviews he has given me. moreover, I desire to thank my kin. particularly, my spouse, Daniela, has
not just supported me together with her love and affection yet has additionally saved an eye fixed on my self-discipline whilst the going obtained tricky. the best sacri?ce during engaged on this thesis, were the miles and lots of hours away from
her. regrettably, the yearsofmydoctoralstudieswereovershadowedbythedeathofmyfather. Tohimand mymother,Eva-MariaBorgmann,Iamimmenselygratefulfortheirloveandsupport all through my lifestyles. Daniel Besendorfer and Erik Luth ¨ have
been shut partners and pals on the Institute of Public Finance from my ?rst days in Freiburg, and i've won from their friendship tremendously. This paintings has principally pro?ted from reviews and recommendations of many
colleagues who've additionally been nice enjoyable to paintings with. between them, I specifically thank Holger Bonin, Oliver Ehrentraut, Matthias Heidler, Stefan Fetzer, Pascal Krimmer, and Stefan Moog.