Publication details

Comparison of recursive parameter estimation and non-linear filtration

Authors

ČAPEK Jan

Year of publication 2012
Type Article in Proceedings
Conference Proceedings of 30th International Conference Mathematical Methods in Economics
MU Faculty or unit

Faculty of Economics and Administration

Citation
Field Economy
Keywords Unscented Particle Filter;recursive analysis;time-varying parameter;DSGE model;impulse response function
Attached files
Description The contribution compares and contrasts the results of time-varying parameters estimation pursued by two methodologically different approaches, all in the context of a DSGE model. The original results Capek 2011 were obtained by the so-called recursive, rolling and ``first observation'' analysis. The novel methodology uses Unscented Particle Filter to filter trajectories of time-varying parameters. The comparisons are presented on the case of three parameters of a DSGE model, which demonstrate a match in the evolution of the parameter estimates. Recursive impulse response functions are compared on two cases, which also match. Although not all of the results obtained from two different methodologies completely match, the most important parameter changes are similarly captured by both approaches.

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