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Parametric Inference for Diffusion Processes Observed at Discrete Points in Time: a Survey

This paper is a survey of estimation techniques for stationary and ergodic diffusion processes observed at discrete points in time. The reader is introduced to the following techniques: (i) estimating functions with special emphasis on martingale estimating functions and so-called simple estimating...

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Bibliographic Details
Published in:International statistical review 2004-12, Vol.72 (3), p.337-354
Main Author: Sørensen, Helle
Format: Article
Language:English
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Summary:This paper is a survey of estimation techniques for stationary and ergodic diffusion processes observed at discrete points in time. The reader is introduced to the following techniques: (i) estimating functions with special emphasis on martingale estimating functions and so-called simple estimating functions; (ii) analytical and numerical approximations of the likelihood function which can in principle be made arbitrarily accurate; (iii) Bayesian analysis and MCMC methods; and (iv) indirect inference and EMM which both introduce auxiliary (but wrong) models and correct for the implied bias by simulation. /// Cet article propose un tour d'horizon de techniques d'estimation pour des processus de diffusion stationnaires et ergodiques observés à des moments discrets. On y présente les techniques suivantes: (i) fonctions d'estimation, l'accent étant mis sur des fonctions faisant intervenir une martingale et sur des fonctions d'estimation dites simples; (ii) approximations analytiques et numériques de la fonction de vraisemblance admettant, en principe, une précision arbitraire; (iii) analyse bayesienne et méthodes MCMC; (iv) inférence indirecte et méthode EMM, toutes deux introduisant des modèles auxiliaires (mais incorrects) et rectifiant, par simulation, le biais résultant.
ISSN:0306-7734
1751-5823
DOI:10.1111/j.1751-5823.2004.tb00241.x