Le thème central de cet ouvrage porte sur l'adéquation des représentations théoriques du comportement décisionnel des agents et sur ses implications pour la pertinence des mesures de la juste valeur des instruments financiers. L'ouvrage vise en premier lieu à mettre en perspective le rôle...

The recent period has highlighted a well-known phenomenon, namely the existence of a positive bias in experts’ anticipations. Literature on this subject underlines optimism in the financial analyst community. In this work, our significant contributions are twofold: we provide explanatory bias...

Une industrie au cœur de la crise économique Une chute brutale des marchés et des recettes - Des impacts sur la chaîne de valeur globale Des choix stratégiques et managériaux Un management financier renforcé - Une multiplication des coalitions et des fusions-acquisitions -Un axe...

The question of financing innovative small business is determinant in the current context. Giving the share that they represent in the market, they contribute to increase productivity of the economy. The problems of financing the SME’s are related to the almost intangible specificity of their...

There have been increasing warnings lately that the world economy is in danger of disintegrating. How realistic are such fears? Could the world's trading partners have a serious interest in such a development and be prepared to accept the risks involved? The following three articles seek to...

Why do investors keep different opinions even though they learn from their own failures and successes? Why do investors keep different opinions even though they observe each other and learn from their relative failures and successes? We analyze beliefs dynamics when beliefs result from a very...

This work shows how long-term investors can benefit from adding volatility as an asset class to their portfolio. Two types of "structural" exposure – long implied volatility and long volatility risk premium – are now simple to implement. Implied volatility exposure can be used to...