This thesis strives to offer new insights in two main areas. First, in the well-researched domain of payment cards chapters 2 and 3 investigate an aspect that has hitherto been scantly examined, namely, the fact that merchant usage fees differ substantially among merchant sectors. Additionally,...

This dissertation was written by Johannes Pfeiffer while he was working with the ifo Institute for Economic Research. It was completed in November 2016 and accepted as a doctoral thesis by the department of economics of the University Regensburg in December 2016. The thesis studies unintended...

The threat of terrorism against the United States has been a primary concern of public policy makers, particularly after the attacks of September 11, 2001. Economic theory and statistical analysis provide valuable insights into the challenge of estimating the regional and national economic...

Diese Dissertation beinhaltet drei eigenständige Aufsätze, die die Interaktionen von Bewertungsmodellen für Wertpapiere, Finanzmärkten und der Volkswirtschaft untersuchen. Alle drei Papiere tragen zu einem besseren Verständnis von Verknüpfungen zwischen Finanzmärkten und Realwirtschaft....

In einem Grundlagenteil beschreibt die Arbeit zunaechst die Ansatzpunkte internationaler Kooperation zur Praevention von Finanzkrisen, fokussierend auf die Regulierung von Banken und Wertpapierfirmen, und beschreibt die wesentlichen Massnahmen und Institutionen der internationalen Zusammenarbeit...

Standard statistical methods in the empirical economics and finance literature are mostly applicable to data that is aggregated on equally spaced time points. However, a key characteristic of many economic and financial variables is that they occur randomly and are observed irregularly in time....

Measuring the contribution of different markets to the price discovery process of a common asset has been the subject of many research studies in the last decade. In particular the newly developed derivatives markets have given rise to an increasing number of empirical studies examining the...

Die Bestimmung der Volatilität von Finanzmarktdaten ist heutzutage Kernpunkt empirischer Analysen im Bereich des Finance/Banking oder der monetären Makroökonomik. Dabei erweisen sich multivariate GARCH (MGARCH-) Modelle als besonders hilfreich, da mit ihnen wichtige empirische Eigenschaften...

Die Dissertation wendet die fallgestützte Entscheidungstheorie (Case-Based Decision Theory) vorgeschlagen von Gilboa and Schmeidler (1995) auf Entscheidungen in Finanzmärkten an. Betrachtet werden sowohl das individuelle Portfoliowahlproblem eines Investors, wie auch Märkte, in denen...

The 1980s and 1990s have been marked with a series of financial and banking crises all over the world. This turned the attention of economists to such questions as how a financial system should be structured in order to reduce the vulnerability of an economy to the risk of a crisis, or what...