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Co-variation des taux de croissance sectoriels au Luxembourg: l?apport des corrélations conditionnelles dynamiques

Rouabah, Abdelaziz - Central Bank of Luxembourg - 2007

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

Analytic Moments for GARCH Processes

Alexander, Carol; Lazar, Emese; Stanescu, Silvia - Henley Business School, University of Reading - 2010

Conditional returns distributions generated by a GARCH process, which are important for many problems in market risk … moments of GARCH returns distributions in several ways: we consider a general GARCH model – the GJR specification with a … specific GARCH models largely used in practice are recovered as special cases; we derive the limits of these moments as the …

Persistent link: https://www.econbiz.de/10010838036

Endogenizing Model Risk to Quantile Estimates

Alexander, Carol; Sarabia, Jose Maria - Henley Business School, University of Reading - 2010

We quantify and endogenize the model risk associated with quantile estimates using a maximum entropy distribution (MED) as benchmark. Moment-based MEDs cannot have heavy tails, however generalized beta generated distributions have attractive properties for popular applications of quantiles....

Persistent link: https://www.econbiz.de/10010838057