BOURAOUI, Taoufik - EconomiX, Université Paris Ouest-Nanterre la Défense … - 2008
This survey appears in extension of a previous exploratory survey (Bouraoui, 2008) dedicated to the impact of stock spams on volumes. The interest of the present research is to study the impact on stock prices while taking into account the evolution of volatility over time through a GARCH (1,1)...