am Fa hberei h Wirts haftswissens haften

Abstract

A knowledgments This dissertation would never have been a

omplished without the support of a lot of people. I am very grateful to my advisor Prof. Dr. Leo Kaas who a quainted me with labour e onomi s in various ex ellent le tures and seminars. He supported me during my do toral studies with innumerable helpful omments and dis ussions while he gave me always the freedom for reative thinking. I also enjoyed the ol-laboration during the eld experiment for our joint paper. I am very thankful to my se ond advisor Prof. Dr. Carlos Alós-Ferrer. His le ture in advan ed game theory and various remarks helped a lot to improve my analyti al skills and this thesis. I am grateful to Anja A htziger, Gerald Eisenkopf, Till Grossmass, Normann Lorenz, Anne Madden, Thomas Hinz, three referees and an editor for numerous helpful om-ments and remarks to the joint eld study with Leo Kaas. I also thank Fabian Fink, Jutta Obenland and Christiane Ralf for resear h assistan e. Moreover, I want to thank Prof. Dr. Friedri h Breyer and Dr. Stefan Zink for their