Four essays in industrial organization and political economy [Elektronische Ressource] / vorgelegt von Hans Zenger

Four Essays inIndustrialOrganizationandPoliticalEconomyInaugural-Dissertationzur Erlangung des GradesDoctor oeconomiae publicae (Dr. oec. publ.)an der Ludwig-Maximilians-Universit?t M?nchen2007vorgelegt vonHans ZengerReferent: Prof. Ray ReesKorreferent: Prof. Dr. Klaus M. SchmidtPromotionsab-schlussberatung: 18. Juli 2007Hans ZengerFour Essays in Industrial Organizationand Political EconomyAcknowledgementsThis doctoral dissertation contains the scienti?c output of my graduatestudiesattheMunichGraduateSchoolofEconomics,exceptKremhelmerand Zenger (2006) which has appeared in my coauthor?s thesis.My work has bene?tted from discussions with and comments frommany people. Ray Rees was my principal supervisor and is the coauthorofChapter4. Iamverygratefulforhisencouragement,hisinsightfulcon-tributions and the inspiring atmosphere at his chair. I am also indebtedtoKlausSchmidt,who?rstsparkedmyinterestinmicroeconomictheoryandwhocontinuedtobeasourceofinspirationthroughoutmygraduatestudies.Simon Anderson, Tobias B?hm, Florian Englmaier and Eileen Fu-magalli all deserve special mention for ?ghting their way through ear-lier drafts and sharing their thoughts with me in interesting discussions.Moreover, I would like to thank Irmgard von der Herberg for assistancewith all the small things that can go wrong. Over the years, many othercolleagues, conferenceandseminarparticipantshavein?