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This paper focuses on the use of dynamical chaotic systems in Economics and Finance. In these fields, researchers …
Persistent link: https://www.econbiz.de/10010738625
This paper presents a theorical framework to model the evolution of a portfolio whose weights vary over time. Such a portfolio is called a dynamic portfolio. In a first step, considering a given investment policy, we define the set of the investable portfolios. Then, considering portfolio...
Persistent link: https://www.econbiz.de/10010738666
Pour comprendre comment se font les atteintes à l'environnement, la notion de risque doit être étudiée sous tous ses aspects historique, cognitif, et bien sûr quant à son appréhension sociétale. Depuis l'alerte lancée par Ulrich Beck, très nombreuses sont les réflexions à ce sujet,...
Persistent link: https://www.econbiz.de/10010738726
This paper presents a theorical framework to model the evolution of a portfolio whose weights vary over time. Such a portfolio is called a dynamic portfolio. In a first step, considering a given investment policy, we define the set of the investable portfolios. Then, considering portfolio...
Persistent link: https://www.econbiz.de/10010635094
The aim of this paper is to study the cross-sectional effects present in the market using a new framework based on graph theory. Within this framework, we represent the evolution of a dynamic portfolio, i.e. a portfolio whose weights vary over time, as a rank-based factorial model where the...
Persistent link: https://www.econbiz.de/10010635249
La crise financière 2007-2008 a suscité une profusion de réactions et d'explications : on a évoqué le mimétisme des organismes, la cupidité de leurs dirigeants, la propension des traders à aimer le jeu. Elle est évidemment due à la conjonction de plusieurs facteurs. Nous mettons ici...
Persistent link: https://www.econbiz.de/10010820584