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Bayesian inference for nonlinear structural time series models
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DOI：10.1016/j.jeconom.2013.10.016.png)
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Abstract
En 中文
We consider efficient methods for likelihood inference applied to structural models. In particular, we introduce a particle filter method which concentrates upon disturbances in the Markov state of the approximating solution to the structural Model. A particular feature of such models is that the conditional distribution of interest for the disturbances is often multimodal. We provide a fast and effective method for approximating such distributions. We estimate a neoclassical growth model using this approach. An asset pricing model with persistent habits is also considered. The methodology we employ allows many fewer particles to be used than alternative procedures for a given precision. (C) 2014 Elsevier B.V. All rights reserved.
Keywords:
Auxiliary particle filter
DSGE model
Multi-modal
State space model
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