Retail investor sentiment and behavior [Elektronische Ressource] : an empirical analysis / von Matthias Burghardt

Retail Investor Sentiment and Behavior – an Empirical Analysis Zur Erlangung des akademischen Grades eines Doktors der Wirtschaftswissenschaften (Dr. rer. pol.) von der Fakultät für Wirtschaftswissenschaften des Karlsruher Instituts für Technologie genehmigte DISSERTATION von Dipl.-Inform.Wirt Matthias Burghardt Tag der mündlichen Prüfung: 12. Mai 2010 Referent: Prof. Dr. Christof Weinhardt Korreferentin: Prof. Dr. Marliese Uhrig-Homburg 2010 Karlsruhe Acknowledgements I am indebted to many people for their support throughout the preparation of this thesis. In particular, I am grateful to my advisor Prof. Dr. Christof Weinhardt who gave me his support and advice while granting me the freedom to explore different ways to combine academic rigor and practical relevance in interdisciplinary research. In addition, I would like to thank Prof. Dr. Marliese Uhrig-Homburg for co-advising this thesis. My thanks also go to Prof. Dr. Ute Werner and Prof. Dr. Ingrid Ott for serving on the board of examiners. I would like to thank my colleagues from the research group Information and Market Engineering at the Institute of Information Systems and Management (IISM) for many fruitful discussions and their valuable comments. I am grateful to Dr. Henner Gimpel who was always ready to discuss problems with me and to share his ideas how to solve them. I also thank Dr. Stefan Seifert for his advice on the direction of this work.