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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
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
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 (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....
Persistent link: https://www.econbiz.de/10009484099
coefficients of coskewness and cokurtosis have the correct sign as predicted by the higher-moment CAPM theory but only cokurtosis … size and book-to-market ratio in Chapter 3. This is a cross-sectional test of the conditional CAPM. The models examined …-factor asset pricing models. Models tested are the CAPM, the Fama-French three-factor model and a four-factor model including the …
Persistent link: https://www.econbiz.de/10009440933
kernel that depends on returns, as in the CAPM or the APT, can accurately price assets. In this sense, theory based on …Recent developments in intertemporal asset pricing theory focus on two sets of fundamental determinants of asset …, most empirical applications, as well as the best practice in the financial industry, ignore much of what theory has to say …
Persistent link: https://www.econbiz.de/10009441191
model derived from Rosen’s hedonic price theory. Two different stock market models are developed to estimate the model, a … basic firm’s stock market model and a modified Capital Assets Pricing Model (CAPM). The explanatory variables include risk …
Persistent link: https://www.econbiz.de/10009443722
The traditional literature on the CAPM assumes that investor's tax payments simply vanish from the model. This … assumption is not at all consistent with the actual behavior of the Treasury. The theory of general equilibrium states that an … interest rate rf = 0 will not affect prices if taxes are introduced. We show that this result can be extended to the CAPM if …
Persistent link: https://www.econbiz.de/10009447474
returns. The finance literature has uncovered several potential failings of the Capital Asset Pricing Model (CAPM). I … investigate the ability of additional risk factors, which are not considered by the CAPM, to explain these problems. In particular … to refine and reassess the cross-sectional evidence against the CAPM.In the first chapter, I test the cross …
Persistent link: https://www.econbiz.de/10009466087