Does historical performance helps predict future performance of portfolio managers and does persistence in performance exist? These are some of the recurring questions that used to be raised in this part of financial literature. Different methods since the 60's have been proposed but many of...

We consider finite state space stationary hidden Markov models (HMMs) in the situation where the number of hidden states is unknown. We provide a frequentist asymptotic evaluation of Bayesian analysis methods. Our main result gives posterior concentration rates for the marginal densities, that...

Managers’ trainings about psychosocial risks (RPS) prevention are currently growing. Managers are seen to have an important role to play vis-à-vis their subordinates’ mental health. However, they depend on organization and management methods from which flow their own breathing space...

The concept of a barrier to entry has been discussed least since Bain [1956] with important contributions by Spence [1977], Dixit [1980] and Milgrom-Roberts [1982]. The more recent discussion is synthesized in the contributions to a dedicated session at the 2004 AEA meeting. Yet, a 'barrier to...

In this article we present an introduction to various Filtering algorithms and some of their applications to the world of Quantitative Finance. We shall first mention the fundamental case of Gaussian noises where we obtain the well-known Kalman Filter. Because of common nonlinearities, we will...

Selon le principe de la muraille de Chine, les activités de gestion doivent pouvoir s’organiser de manière totalement indépendante des activités du dépositaire. En pratique, le principe de cloisonnement entre les activités du dépositaire et celles de la SGP peut apparaître comme une...