The introduction of the accounting standards SFAS 123R and IFRS 2 forexecutive stock options has led to an important change. As companies arenow forced to value their stock options at grant date for accounting purposes,the robustness of prices against the choice of certain valuation models...

Recent empirical work shows evidence of a positive relationship between firm-specific corporate governance and firm valuation. Instead of looking at a single control mechanism, we use a broad corporate governance index and additional variables related to ownership structure, board...

We extend the Lucas asset pricing tree economy to a heterogeneous population.Perturbative methods are applied to explicitly calculate the secondorder response of asset returns to heterogeneity. We discover thatthere exists a unique "best homogeneous approximation" to a weakly...

Was seit 1973 als Durchbruch in der Optionspreistheorie gilt und im Jahre1997 mit dem Wirtschafts-Nobelpreis ausgezeichnet wurde, hat der sterreicherVinzenz Bronzin 65 Jahre frher – im Jahr 1908 – umfassender, einfacherverstndlich und notabene: auf deutsch in einer kurzen Monografie...