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Modified Variance Ratio Test for Autocorrelation in the Presence of Heteroskedasticity

Given that autocorrelation tests do not perform well in the presence of heteroskedasticity and in variance-break cases, we present three modified weighted variance ratio tests of autocorrelation. The numerical results show that the proposed tests perform better for small samples. They provide a bet...

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Principais autores: Sohail Chand, Nuzhat Aftab
Format: Artigo
Jezik:Inglês
Izdano: Lahore School of Economics 2024-06-01
Serija:Lahore Journal of Economics
Teme:
Online dostop:https://journals.lahoreschool.edu.pk/LJE/LJE/article/view/548
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