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A power comparison between autocorrelation based tests. (English) Zbl 1414.62363

Summary: In this paper we provide an asymptotic theoretical power comparison in the Bahadur sense, between the portmanteau and Breusch-Godfrey Lagrange Multiplier (LM) tests for the goodness-of-fit checking of vector autoregressive (VAR) models. We also aim to give some theoretical explanations on simulation results obtained in the literature, and suggest some guidelines on the choice of the number of autocorrelations in the test statistics. The merits and the drawbacks of the studied tests are illustrated using Monte Carlo experiments.

MSC:

62M10 Time series, auto-correlation, regression, etc. in statistics (GARCH)
62J20 Diagnostics, and linear inference and regression
65C05 Monte Carlo methods

Software:

JMulTi; vars
PDFBibTeX XMLCite
Full Text: DOI

References:

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