Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/144475 
Authors: 
Year of Publication: 
2014
Series/Report no.: 
NBB Working Paper No. 263
Publisher: 
National Bank of Belgium, Brussels
Abstract: 
Sequential Monte Carlo (SMC) methods are widely used for filtering purposes of non-linear economic or financial models. Nevertheless the SMC scope encompasses wider applications such as estimating static model parameters so much that it is becoming a serious alternative to Markov- Chain Monte-Carlo (MCMC) methods. Not only SMC algorithms draw posterior distributions of static or dynamic parameters but additionally provide an estimate of the normalizing constant. The tempered and time (TNT) algorithm, developed in the paper, combines (off-line) tempered SMC inference with on-line SMC inference for estimating many slightly different distributions. The method encompasses the Iterated Batch Importance Sampling (IBIS) algorithm and more generally the Resample Move (RM) algorithm. Besides the number of particles, the TNT algorithm self-adjusts its calibrated parameters and relies on a new MCMC kernel that allows for particle interactions. The algorithm is well suited for efficiently back-testing models. We conclude by comparing in-sample and out-of-sample performances of complex volatility models.
Subjects: 
Bayesian inference
Sequential Monte Carlo
Annealed Importance sampling
Differential Evolution
Volatility models
Multifractal model
Markov-switching model
JEL: 
C11
C15
C22
C58
Document Type: 
Working Paper

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