Showing 1 - 10 of 15
Persistent link: https://www.econbiz.de/10011962237
The recent financial crisis raised awareness of the need for a framework for conducting macroprudential policy. Identifying as early as possible and addressing the buildup of endogenous imbalances, exogenous shocks, and contagion from financial markets, market infrastructures, and financial...
Persistent link: https://www.econbiz.de/10009324235
Cette analyse emploie le modèle des corrélations conditionnelles dynamiques développées récemment par Engle (2002) pour déterminer le caractère synchrone ou asynchrone des mouvements des taux de croissance de la valeur ajoutée des différents secteurs économiques au Luxembourg. Le...
Persistent link: https://www.econbiz.de/10009276970
In this paper, we investigate the impact of surprises made by scheduled monetary policy announcements on French stock market. Most of empirical studies achieved tends to test this effect on U.S stock market. Taken the French market as a representative European stock markets, we study the effect...
Persistent link: https://www.econbiz.de/10005094012
GARCH and sign-type tests against general dependencies and asymmetries. The procedures proposed provide exact versions of … following. Whereas univariate exact tests indicate significant serial correlation, asymmetries and GARCH in some equations, such … matrice de covariance des erreurs. Nous considérons des tests contre la dépendance sérielle, contre la présence d'effets GARCH …
Persistent link: https://www.econbiz.de/10005100677
tests for multivariate GARCH and multivariate generalization of the well known variance ratio tests) and goodness of fit … des tests pour les effets GARCH multivariés et une généralisation multivariée des tests de ratio de variance), des tests …
Persistent link: https://www.econbiz.de/10005100885
Characterizing asset return dynamics using volatility models is an important part of empirical finance. The existing literature favors some rather complex volatility specifications whose relative performance is usually assessed through their likelihood based on a time-series of asset returns....
Persistent link: https://www.econbiz.de/10005100917
The risk-return trade-off being the very substance of finance, volatility has always been an essential parameter for portfolio management. Moreover, the generalization of the use of derivatives has placed in the forefront the concept of volatility risk: i.e. the model risk generated by treating...
Persistent link: https://www.econbiz.de/10005100999
) ARCH, GARCH and ARCH-in-mean alternatives; (2) the case where the variance increases monotonically with: (i) one exogenous … expériences de Monte Carlo que nous effectuons portent sur: (1) les alternatives de type ARCH, GARCH and ARCH-en-moyenne; (2) le …
Persistent link: https://www.econbiz.de/10005101027
evolution of volatility over time through a GARCH (1,1) modelling. We use the methodology of event studies on a sample of …
Persistent link: https://www.econbiz.de/10005170013