La gestion collective dans un marché agité : la dynamique des styles à partir des cartes de Kohonen

Asset management in turbulent marketsanalyzing investment styles dynamics The aim of this paper is to observe the group dynamic of fund managers during an interesting period: January 99- July 02 that includes many financial events as financial cracks, high speculation on new technologies,... We defined a strategy as the sensitivity to French stock market indexes. We projected strategies on a Kohonen Map. We propose a new approach to analyse the group dynamic by studying moving on this map.