Maximum Likelihood Estimation for the Fractional Vasicek Model

This paper estimates the drift parameters in the fractional Vasicek model from a continuous record of observations via maximum likelihood (ML). The asymptotic theory for the ML estimates (MLE) is established in the stationary case, the explosive case, and the boundary case for the entire range of th...

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Main Authors: Katsuto Tanaka, Weilin Xiao, Jun Yu
Format: Article
Language:English
Published: MDPI AG 2020-08-01
Series:Econometrics
Subjects:
Online Access:https://www.mdpi.com/2225-1146/8/3/32
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author Katsuto Tanaka
Weilin Xiao
Jun Yu
author_facet Katsuto Tanaka
Weilin Xiao
Jun Yu
author_sort Katsuto Tanaka
collection DOAJ
description This paper estimates the drift parameters in the fractional Vasicek model from a continuous record of observations via maximum likelihood (ML). The asymptotic theory for the ML estimates (MLE) is established in the stationary case, the explosive case, and the boundary case for the entire range of the Hurst parameter, providing a complete treatment of asymptotic analysis. It is shown that changing the sign of the persistence parameter changes the asymptotic theory for the MLE, including the rate of convergence and the limiting distribution. It is also found that the asymptotic theory depends on the value of the Hurst parameter.
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spelling doaj.art-87fea7a9fa204fda947faf88bac895542023-11-20T09:53:26ZengMDPI AGEconometrics2225-11462020-08-01833210.3390/econometrics8030032Maximum Likelihood Estimation for the Fractional Vasicek ModelKatsuto Tanaka0Weilin Xiao1Jun Yu2Faculty of Economics, Gakushuin University, Tokyo 171-8588, JapanSchool of Management, Zhejiang University, Hangzhou 310058, ChinaSchool of Economics and Lee Kong Chian Schoo of Business, Singapore Management University, Singapore 178903, SingaporeThis paper estimates the drift parameters in the fractional Vasicek model from a continuous record of observations via maximum likelihood (ML). The asymptotic theory for the ML estimates (MLE) is established in the stationary case, the explosive case, and the boundary case for the entire range of the Hurst parameter, providing a complete treatment of asymptotic analysis. It is shown that changing the sign of the persistence parameter changes the asymptotic theory for the MLE, including the rate of convergence and the limiting distribution. It is also found that the asymptotic theory depends on the value of the Hurst parameter.https://www.mdpi.com/2225-1146/8/3/32maximum likelihood estimatefractional Vasicek modelasymptotic distributionstationary processexplosive processboundary process
spellingShingle Katsuto Tanaka
Weilin Xiao
Jun Yu
Maximum Likelihood Estimation for the Fractional Vasicek Model
Econometrics
maximum likelihood estimate
fractional Vasicek model
asymptotic distribution
stationary process
explosive process
boundary process
title Maximum Likelihood Estimation for the Fractional Vasicek Model
title_full Maximum Likelihood Estimation for the Fractional Vasicek Model
title_fullStr Maximum Likelihood Estimation for the Fractional Vasicek Model
title_full_unstemmed Maximum Likelihood Estimation for the Fractional Vasicek Model
title_short Maximum Likelihood Estimation for the Fractional Vasicek Model
title_sort maximum likelihood estimation for the fractional vasicek model
topic maximum likelihood estimate
fractional Vasicek model
asymptotic distribution
stationary process
explosive process
boundary process
url https://www.mdpi.com/2225-1146/8/3/32
work_keys_str_mv AT katsutotanaka maximumlikelihoodestimationforthefractionalvasicekmodel
AT weilinxiao maximumlikelihoodestimationforthefractionalvasicekmodel
AT junyu maximumlikelihoodestimationforthefractionalvasicekmodel