Online Consumer-to-Consumer Communication Networks are characterized by informational and social benefits as well as time and effort costs for participants. Therefore, this dissertation takes an economic perspective on the network formation process as a determinant of value for consumers and...

Mit der Liberalisierung des europäischen Marktes für elektrische Energie haben sich die Randbedingungen für alle in diesem Markt tätigen Unternehmen grundlegend verändert. Um das langfristige Ziel eines europäischen Binnenmarktes zu erreichen, sind erhebliche Eingriffe in die unter...

Diese Doktorarbeit besteht aus vier eigenständigen Forschungsarbeiten, die in der Zeit von Oktober 2004 bis Oktober 2007 geschrieben wurden, während ich Teilnehmer am "Doctoral Programme in Quantitative Economics and Finance" an der Universität Konstanz war. Meine Forschungsinteressen...

Today's predominant disclosure philosophy calls for the fulldisclosure of all decision relevant information bycompanies. More publicly available information, theargument goes, limits the adverse selection problem by reducinginformation asymmetry among heterogeneous investors. Thus, theliquidity...

Die Gründung des GATT Abkommens im Jahr 1947 sowie die Welthandelsorganisation führten zu weltweiten Zollsenkung. Seit deren Gründung haben sich mehr als 150 Länder innerhalb von acht Verhandlungsrunden auf Zollsenkungen von durchschnittlich 40% auf nunmehr 4% geeinigt.Hauptsäule der WTO...

The importance of social and economic networks has meanwhile been widely acknowledged throughout social sciences. Network positions are supposed to be important for both, consumers and suppliers. Examples are R&D collaborations, strategic alliances, knowledge management within organizations,...

The establishment of a tradable permit market requires the regulator to select a level of aggregate emissions and then distribute the associated permits (rent) to specific groups. In most circumstances, these decisions are often politically contentious and frequently influenced by rent seeking...

The establishment of a tradable permit market requires the regulator to select a level of aggregate emissions and then distribute the associated permits (rent) to specific groups. In most circumstances, these decisions are often politically contentious and frequently influenced by rent seeking...

"Fisheries management by individual transferable quotas (ITQ's) is being advocated by several fisheries economists as a solution to 'tragedy of commons' situations in the fisheries. Until lately, the studies of ITQ's have been purely theoretical, but now it is possible to study how the system...

There is growing consensus on the view that corruption hurts economic performance by reducing private investment, by adversely affecting the quantity and quality of public infrastructure, by reducing tax revenue, and by reducing human capital accumulation. In addition to inefficiency effects –...