We propose a new approach to measuring the effect of unobservable private information or beliefs on volatility. Using high-frequency intraday data, we estimate the volatility effect of a well identified shock on the volatility of the stock returns of large European banks as a function of the...

Das vorliegende Dissertationsprojekt gibt Einblicke in Unternehmensrestrukturierungen und identifiziert Leistungstreiber von Equity Carve-Out (ECO) und Spin-off. Ziel der Dissertation ist es, zu verifizieren, ob ECO- und Spin-off-Transaktionen Unternehmenswert schaffen und zu evaluieren, ob die...

A publisher uses an honor system for selling a newspaper in the street. The customers are supposed to pay, but they can also pay less than the price or not pay at all. We conduct an experiment to study honesty in this market. The results show that appealing to honesty increases payments, whereas...

This paper uses Granger non{causality tests to analyze if channel competition exists between the companion websites of 93 German newspapers observed between I/1998 and II/2005. It provides econometric evidence for significant negative effects of companion website tra?c on the print circulation...

This paper contributes to the ongoing quest for a European public sphere understood as a structural transformation of national media debates. The process of Europeanization has a vertical and a horizontal dimension: an increased focus on the EU as well as more attention for other European...

This paper explores the effects that collusion can have in newspaper markets where firms compete for advertising as well as for readership. We compare three modes of competition: i) competition in the advertising and the reader market, ii) semi-collusion over advertising (with competition in the...