Anne Peguin-Feissolle () (GREQAM - Groupement de Recherche en Économie Quantitative d'Aix-Marseille - Université de la Méditerranée - Aix-Marseille II - Université Paul Cézanne - Aix-Marseille III - Ecole des Hautes Etudes en Sciences Sociales - CNRS : UMR6579) Gilles Dufrénot () (GREQAM - Groupement de Recherche en Économie Quantitative d'Aix-Marseille - Université de la Méditerranée - Aix-Marseille II - Université Paul Cézanne - Aix-Marseille III - Ecole des Hautes Etudes en Sciences Sociales - CNRS : UMR6579, DEFI - Centre de Recherche en Developpement Economique et Finance Internationale - Centre de Recherche en Developpement Economique et Finance Internationale) Dominique Guegan () (ENS - Ecole Normale Supérieure de Cachan - Ecole Normale Supérieure de Cachan)
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This paper presents a 2-regime SETAR model with different longmemory processes in both regimes. We briefly present the memory properties of this model and propose an estimation method. Such a process is applied to the absolute and squared returns of five stock indices. A comparison with simple ARFIMA models is made using some forecastibility criteria. Our empirical results suggest that our model offers an interesting alternative competing framework to describe the persistent dynamics in modeling the returns.
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Paper provided by HAL in its series Working Papers with number
halshs-00410540_v1.
Length: Date of creation: 2006 Date of revision: Handle: RePEc:hal:wpaper:halshs-00410540_v1
Note: View the original document on HAL open archive server: http://halshs.archives-ouvertes.fr/halshs-00410540/en/ Contact details of provider: Web page: http://hal.archives-ouvertes.fr/
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