Testing for parameter constancy in GARCH(p,q) models
Testing for parameter constancy in GARCH(p,q) models
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DOI:
10.1016/j.spl.2004.10.010
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发表时间:
2004-12-15
影响因子:
0.8
通讯作者:
Kokoszka, P
中科院分区:
文献类型:
--
作者:
Berkes, I;Horváth, L;Kokoszka, P
We propose a test for a change in the parameters of a GARCH(p, q) model. The test is based on approximate likelihood scores and does not require the observations to have finite variance. We show that the test has asymptotically correct size under weak assumptions on model errors. (C) 2004 Published by Elsevier B.V.