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,...

This thesis contributes to the development of theoretical and experimental approaches that extend the analysis of risk preferences beyond the classical concept of expected utility theory. The thesis contains four main chapters.The first two chapters are concerned with extensions and applications...

Frequent criticism in dynamic decision making research pertains to the overly complex nature of the decision tasks used in experimentation. To address such concerns we study dynamic decision making with respect to the simple race game Hog, which has a computable optimal decision strategy. In the...

This study intends to develop a theoretical framework to show credit card usage as a determinant of social capital of people who are living in urban societies in developing economies. Data were instrumented by a questionnaire. A survey of citizens of Kandy City area of Central Province of Sri...

My philosophical case study concerns textbook presentations of the theory of demand. Does this theory contain anything more than just a collection of tautologies? In order to determine its empirical content, it must be viewed holistically. But then, the theory implies false factual claims. We...