Showing 1 - 10 of 111
Pour une entreprise, le maintien d’une croissance soutenue pendant une longue période est délicat. Il suppose, outre des conditions de marché favorables, un pilotage du rythme de développement adapté aux contraintes financières.
Persistent link: https://www.econbiz.de/10009220157
This article deals with the relationship between capital structure and restructuring measures taken by French firms in distress. These firms use a panel of measures to face with their difficulties and leverage has a positive influence on operational restructuring measures. However, the impact of...
Persistent link: https://www.econbiz.de/10005111189
French Abstract: Le risque de défaut est le grand oublié de l'évaluation des actions. Nous démontrons dans cet article que son effet sur la valeur est pourtant plus important pour une action que pour une obligation.Pour ce faire nous nous basons sur un modèle à fonction d'intensité de...
Persistent link: https://www.econbiz.de/10012932220
English Abstract: In this article we discuss the impact of financial debt on shareholder value using a new approach that aims: i) to explain the effect that leverage from debt has on a stock's systematic risk, or what we shall call here “the systematic cost of leverage,” and ii) to account...
Persistent link: https://www.econbiz.de/10012967463
In this paper, we study the following models : Heath-Jarrow-Morton (1992) and Libor-Market- Model, also known as Brace-Gatarek-Musiela model (1997). We survey the extensions of these models and their representation in the Black and Scholes world. Our approach is pedagogical and is based on an...
Persistent link: https://www.econbiz.de/10005710034
En recourant de plus en plus aux modèles à forme réduite, la théorie de l'évaluation du risque de crédit se distance de plus en plus de l'ingénierie financière traditionnelle qui donne la part belle aux modèles structurels. Bien qu'ils postulent l'absence d'arbitrage, les modèles à...
Persistent link: https://www.econbiz.de/10005773136
Plusieurs gestionnaires de portefeuille pensent encore à tort qu’une couverture delta suffit pour protéger leur portefeuille contre les fluctuations des marchés financiers. Mais une augmentation marquée de la volatilité des cours boursiers les décevra dans leurs attentes. Après avoir...
Persistent link: https://www.econbiz.de/10005773140
Monte Carlo simulation has an advantage upon the binomial tree as it can take into account the multidimensions of a problem. However it convergence speed is slower. In this article, we show how this method may be improved by various means: antithetic variables, control variates and low...
Persistent link: https://www.econbiz.de/10005773152
In this paper, we simulate portfolios which aim to insure the invested capital. The object of our simulations is the duplication of the cashflows of strategies based on options. We initially show how to duplicate the cash-flows of a call by using a leveraged portfolio of stocks. After, we...
Persistent link: https://www.econbiz.de/10005773156
Markets makers quote many option categories in terms of implicit volatility. In doing so, they can reactivate the Black and Scholes model which assumes that the volatility of an option underlying is constant while it is highly variable. First of all, this article, whose purpose is very...
Persistent link: https://www.econbiz.de/10005575043