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Bayesian analysis of deterministic time trend and changes in persistence using a generalised Stochastic Unit Root Model

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posted on 2010-02-04, 12:03 authored by Fuyu Yang
This paper makes use of the novel Generalized Stochastic Unit Root (GSTUR) model, Bayesian model estimation and model comparison techniques to investigate the presence of a deterministic time trend in economic series. The model is speci ed to allow for changes in persistence over time, such as shifts from stationarity I(0) to nonstationarity I(1) or vice versa. This uncertainty raises the crucial question about how sure one can be that an economic time series has a deterministic trend when there is a change in the underlying properties. Empirical analysis indicates that the GSTUR model could provide new insights on time series studies.

History

Publisher

Dept. of Economics, University of Leicester

Available date

2010-02-04

Publisher version

http://www.le.ac.uk/economics/research/discussion/papers2007.html

Book series

Papers in Economics;07/11

Language

en

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