Bayesian Inference on QGARCH Model Using the Adaptive Construction Scheme
We study the performance of the adaptive construction scheme for a Bayesian inference on the Quadratic GARCH model which introduces the asymmetry in time series dynamics. In the adaptive construction scheme a proposal density in the Metropolis-Hastings algorithm is constructed adaptively by changing the parameters of the density to fit the posterior density. Using artificial QGARCH data we infer the QGARCH parameters by applying the adaptive construction scheme to the Bayesian inference of QGARCH model. We find that the adaptive construction scheme samples QGARCH parameters effectively, i.e. correlations between the sampled data are very small. We conclude that the adaptive construction scheme is an efficient method to the Bayesian estimation of the QGARCH model.
|Date of creation:||Jul 2009|
|Date of revision:|
|Publication status:||Published in Eighth IEEE/ACIS International Conference on Computer and Information Science, (ICIS2009) 525-529|
|Contact details of provider:|| Web page: http://arxiv.org/|
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- Sangjoon Kim, Neil Shephard & Siddhartha Chib, .
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W26, revised version of W, Economics Group, Nuffield College, University of Oxford.
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