Die Dissertation befasst sich mit der praktischen Umsetzung der Behavioral-Finance-Theorie im Bereich des Asset Managements. Hierzu werden zunächst die wesentlichen verhaltensorientierten Anlagestrategien gemäß Fachliteratur identifiziert. Auf Basis von Regressionsansätzen wird anschließend...

Das erste Paper behandelt den Survivorship Bias bei Aktienfonds. Dieser stellt eine systematische Überschätzung der Performance dar, die entsteht wenn in der Fondsgruppe nur die „Überlebenden“ berücksichtigt werden. Dies ist seit Grinblatt und Titman (1989) bekannt und seitdem in vielen...

Bei der vorliegenden Arbeit handelt es sich um eine Untersuchung mit dem Ziel, die Reaktionen im Umfeld von Veränderungen der Zusammensetzung der großen deutschen Aktienindizes DAX, MDAX und HDAX zu ermitteln. Da in der idealtypischen Finanztheorie eine Indexauswechslung keine...

This dissertation is a collection of four research papers written during my doctoral studies at the University of Konstanz between October 2004 and November 2008. These papers are empirical studies dealing with different aspects in the field of university economics. The focus of the first two...

I explore patterns in regard to community based Research and Development in the Water Supply and Sanitation sector. I set a bibliometric analysis, covering the 1998-2008 period, by means of applying a framework based on three factors: productivity, collaboration, and research topics, which are...

The goal of this research is to elucidate the idea of integrated thinking, which was introduced in the Integrated Reporting (IR) initiative for the disclosure of non-financial data, because it has not been thoroughly studied and there is no consensus on its meaning. The literature on integrated...

Teleworking is a form of organising and performing work, by which the employee works in another place than the work place organised by the employer and uses information and communication technology. The purpose of this paper is mapping the research trends of teleworking. For this, we conducted a...

Portfolio selection has a long tradition in financial economics and plays an integral role in investment management. Portfolio selection provides the framework to determine optimal portfolio choice from a universe of available investments. However, the asset weightings from portfolio selection...

This paper investigates the farm level impacts of multiple peril yield and revenue insurance in an expected value-variance framework. The analysis is conducted using stochastic simulation jointly with numerical optimisation. Simulation is used to compute the means and variances of revenues as...

The objective of this paper was to compare and to analyze three portfolio selection models: Mean-Variance, Minimax and Minimax Weighted. These models were evaluated using historical data (September 1999 to August 2000, January 2001 to December 2001 and February 2002 to January 2003) obtained...