theories, diversification is seeking by managers.Furthermore, recent empiric evidences show that corporate diversification is … valuedestructive for shareholders. Using classical OLS methodology with diversification,management ownership and performance variables … uniquesense of causality. In particular, firm diversification is supposed to impact firmperformance without considering the …

Risk diversification is the basis of insurance and investment. It is thus crucial to study the effects that could limit … occurrence, systemic risk can reduce dramatically the diversification benefits. It is clearly revealed via a non …

des entreprises en termes de diversification et de recentrage. …

L'objectif de cet article est de repérer les mouvements de recentrage et de diversification des entreprises non …

This paper presents a characterization of weak risk aversion in terms of preference for sure diversification. Similarly …, we show that strong risk aversion can be characterized by weakening preference for diversification, as introduced by … Dekel [11], in what we name preference for strong diversification. …

, de nombreuses modifications des systèmes de production périurbains et une diversification des revenus des populations …