Outliers can lead to model misspecifications, poor forecasts and invalid inferences. Their identification and correction is therefore an important objective of financial modeling. This paper introduces a simple method to detect outliers in a financial series. It uses an AR(1)–GARCH(1,1) model...

With hedgefunds, managers develop risk management models that mainly aim to play on the effect of de correlation.In order to achieve this goal,companies use the correlation coefficient as an indicator for measuring dependencies existing between(i)the various hedge funds strategies and share...

This paper analyzes the special features of electricity spot prices derived from the physics of this commodity and from the economics of supply and demand in a market pool. Besides mean-reversion, a property they share with other commodities, power prices exhibit the unique feature of spikes in...

By introducing a structure of the balance sheets of the banks, which takes into account their bilateral exposures in terms of stocks or lendings, we get a structural model for default analysis. This model allows us to distinguish the exogenous and endogenous default dependence. We prove the...

Dans ce papier, nous avons analysé les liens possibles entre les indicateurs de supervision, de réglementation et les crises bancaires, nous avons construit alors différents indicateurs de supervision, de réglementation pour 40 pays développés et émergents. Nous avons appliqué un modèle...

This paper analyzes how bankruptcy litigation affects the value of relationship banking. In our model, bankruptcy courts may make type 1 errors, i.e., they may declare that an insolvent firm is solvent; and they may make type 2 errors, i.e., they may declare that a solvent firm is insolvent. Our...

The purpose of this article is to study accounting valuation practices in French bankruptcies following enactment of the Law of 1838. The research is based on a study of 500 files in the archives of the Paris Court of Commerce. After first presenting the main steps in the bankruptcy proceedings,...

The goal of our research is to gain a better understanding of organizational death, by looking at it as a process. This topic of research, with such an apprroach, is not very common in the litterature. The topic of organizational decline has received very little attention from researchers in...

Financial crisis are often associated with an endogenous credit reversal fol- lowed by a fall in asset prices and failures of financial institutions. To account for this sequence of events, this paper constructs a model where the excess risk-taking of portfolio investors leads to a bubble in...