ARMA-GARCH Models: Bayes Estimation Versus MLE, and Bayes Non-stationarity Test

Teruo Nakatsuma and Hiroki Tsurumi ()
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Hiroki Tsurumi: Rutgers University

Departmental Working Papers from Rutgers University, Department of Economics

Abstract: We compare small-sample properties of Bayes estimation and maximum likelihood estimation (MLE) of ARMA-GARCH models. Our Monte Carlo experiments indicate that in small sample, the Bayes estimator beats the MLE. We also develop a Bayes method of testing strict stationarity and ergodicity of the conditional variance in the GARCH(1,1) process, near epoch depencenve (NED), and finiteness of unconditional moments of the GARCH(1,1) process by using a Markov chain Monte Carlo (MCMC) mehtod. We apply this method to test these properties in the ARMA-GARCH models of weekly foreign exchange rates.

Keywords: GARCH; Markov Chain Monte Carlo (MCMC); Near Epoch Dependence (NED) (search for similar items in EconPapers)
JEL-codes: C11 C22 (search for similar items in EconPapers)
Date: 1996-09-10
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Citations: View citations in EconPapers (4)

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Persistent link: https://EconPapers.repec.org/RePEc:rut:rutres:199619

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