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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...
Persistent link: https://www.econbiz.de/10009452631
In dieser Arbeit setzen wir uns mit den Auswirkungen von Risikobeschränkungen auf das optimale Verhalten eines Investors auseinander, welcher versucht, den erwarteten Endnutzen zu einem festgelegten Zeitpunkt zu maximieren. Dazu kann er ein vorgegebenes Anfangsvermögen in einem Markt...
Persistent link: https://www.econbiz.de/10009462193
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...
Persistent link: https://www.econbiz.de/10009484795
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...
Persistent link: https://www.econbiz.de/10009448818
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...
Persistent link: https://www.econbiz.de/10009457849
Popular ways of hedging downside risk of a stock portfolio is by means of a constant proportion portfolio insurance …
Persistent link: https://www.econbiz.de/10009484099
resultierende Faktor-Hedging von Barrier Optionen gerichtet. … volatility dynamics and resulting factor hedging of barrier options. …
Persistent link: https://www.econbiz.de/10009467069
Eine langfristige und nachhaltige Steigerung des Unternehmenswerts als zentrales Unternehmensziel fordert eine konsequente, wertorientierte Ausrichtung aller Unternehmensteile und -aktivit?ten. Das Risikomanagement, welches stets im Rahmen einer integrierten Betrachtung von Ertrags- und...
Persistent link: https://www.econbiz.de/10009482328
We develop a framework to study the effects of policies of uncertain duration onconsumption dynamics under both complete and incomplete markets. We focus on the dynamicimplications of market incompleteness, specifically on the lack of state-contingent bonds. Twopolicies are considered: pure...
Persistent link: https://www.econbiz.de/10009450564
The authors propose a simplified multivariate GARCH (generalized autoregressive conditional heteroscedasticity) model (the S-GARCH model), which involves the estimation of only univariate GARCH models, both for the individual return series and for the sum and difference of each pair of series....
Persistent link: https://www.econbiz.de/10009440897