As a consequence of the losses resulting from the speculative activities of the stock trader Jérôme Kerviel of Société Générale, the DAX saw a drop of over 7% on 21 January 2008. This is the date on which the highest daily loss was recorded after issuance of the first endless leverage...

We suggest a joint optimization model for a firm’s hedging and leverage decisions that helps to establish an integrated framework for value creation. Rather than artificially separating the two interrelated parts of the firm’s financial policy, we treat both corporate decision variables as...

This paper develops a theory of a firm’s hedging decision with endogenous leverage. In contrast to previous models in the literature, our framework is based on less restrictive distributional assumptions and allows a closed-form analytical solution to the joint optimization problem. Using...

We investigated the stock price behavior of public pharmaceutical and biotechnology companies upon approval of a drug by the Food and Drug Administration (FDA). Using event study methodology, we examine the reaction caused by the approval, seperating it from the asset price movements caused by...

A stochastic model is developed to explain how the early unwinding propensity of market participants in financial futures markets can lead to a strong concentration of the trading volume on the nearby contract. In this model the position closing behavior of the market participants is captured by...