Mit vorliegender Arbeit wird versucht, die Validit?t des Black/Scholes- und des Barone-Adesi/Whaley-Optionsbewertungsmodells, bezogen auf ein breites Spektrum der in Deutschland b?rsennotierten Optionsscheine auf den wichtigsten nationalen Aktienindex, den Deutschen Aktienindex DAX, theoretisch...

Three years after the seminal work of Black and Scholes on the pricing of European options, Scholes presented a paper in which the impact of taxation on the value of an option is analyzed. We restart this discussion in a simple binomial setting emphasizing the economic principles of replicating...

The main goal of this dissertation was to obtain an understanding as to the true economic nature of employee share options and the problems surrounding the accounting thereof.The main conclusion of this study is that employee share options should be expensed in the income statement as and when...

Popular ways of hedging downside risk of a stock portfolio is by means of a constant proportion portfolio insurance (CPPI) strategy or by means of an options-based portfolio insurance strategy (OBPI). However both have drawbacks in terms of practical applicability given transaction costs....

We consider the problem of efficient estimation of tail probabilities of sums of correlated lognormals via simulation. This problem is motivated by the tail analysis of portfolios of assets driven by correlated Black-Scholes models. We propose two estimators that can be rigorously shown to be...

The high pace at which many of the world's energy markets have gradually been opened tocompetition have generated a significant amount of new financial activity. Both academicians and practitioners alike recently started to develop the tools of energy derivatives pricing/hedging as a...

In this thesis we address problems associated with financial modelling from a Bayesian point of view. Specifically, we look at the problem of calibrating financial models, measuring the model uncertainty of a claim and choosing an optimal hedging strategy. Throughout the study, the local...

Der Begriff Realoptionen umfasst jene Investitionsrechnungsverfahren, die Handlungsoptionen mithilfe finanzmathematischer Methoden aus der Optionstheorie quantitativ bewerten. Aus der Sicht von Softwareinvestitionen sind aufgrund der Rahmenbedingungen, Flexibilität spielt hierbei eine wichtige...

IT-Sourcing ist ein zentraler Bestandteil des IT-Government. In dieser Arbeit werden ?konomische Entscheidungshilfen f?r verschiedene Themen aus den Bereichen Infrastruktur und Applikationen vorgestellt. Nach einer kurzen Einf?hrung befasst sich der erste Beitrag mit Offshoring-Entscheidungen...