Emergente Strategie - so würde Henry Mintzberg (1989, 2009) den Prozess bezeichnen, in dem dieser Band entstanden ist: ungeplant, dann (mit Eifer und Ernsthaftigkeit) realisiert und schließlich impulsgebend für die Errichtung der iwp-Schriftenreihe. Die Idee zu diesem Band nimmt ihren...

We analyze the trading behavior of individual investors in option-like securities, namely bankissued warrants, and thus expand the growing literature of investors behavior to a new kind of securities. A unique data set from a large German discount broker gives us the opportunity to analyze the...

In this paper, we propose a measure of individual investor sentiment that is derived from the market for bank-issued warrants. Due to a unique warrant transaction data set from a large discount broker we are able to calculate a daily sentiment measure and test whether individual investor...

In this paper we present results from an event study based on a unique data set of corporate news in the media. The data is provided by Media Tenor, a research institute which collects and rates all corporate news from the most important German daily newspapers and TV news. Our analysis is based...