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@ARTICLE{Gutknecht:873702,
author = {Gutknecht, A. J. and Barnett, L.},
title = {{S}ampling distribution for single-regression {G}ranger
causality estimators},
reportid = {FZJ-2020-00925},
year = {2019},
note = {Aaron Gutknecht was employed at the FZJ through the
SMARTSTART Training program, project number DB001423.},
abstract = {We show for the first time that, under the null hypothesis
of vanishing Granger causality, the single-regression
Granger-Geweke estimator converges to a generalised $\chi^2$
distribution, which may be well approximated by a $\Gamma$
distribution. We show that this holds too for Geweke's
spectral causality averaged over a given frequency band, and
derive explicit expressions for the generalised $\chi^2$ and
$\Gamma$-approximation parameters in both cases. We present
an asymptotically valid Neyman-Pearson test based on the
single-regression estimators, and discuss in detail how it
may be usefully employed in realistic scenarios where
autoregressive model order is unknown or infinite. We
outline how our analysis may be extended to the conditional
case, point-frequency spectral Granger causality,
state-space Granger causality, and the Granger causality
$F$-test statistic. Finally, we discuss approaches to
approximating the distribution of the single-regression
estimator under the alternative hypothesis.},
cin = {INM-6 / IAS-6 / INM-10},
cid = {I:(DE-Juel1)INM-6-20090406 / I:(DE-Juel1)IAS-6-20130828 /
I:(DE-Juel1)INM-10-20170113},
pnm = {574 - Theory, modelling and simulation (POF3-574) /
Smartstart - SMARTSTART Training Program in Computational
Neuroscience (90251)},
pid = {G:(DE-HGF)POF3-574 / G:(EU-Grant)90251},
typ = {PUB:(DE-HGF)25},
eprint = {1911.09625},
howpublished = {arXiv:1911.09625},
archivePrefix = {arXiv},
SLACcitation = {$\%\%CITATION$ = $arXiv:1911.09625;\%\%$},
url = {https://juser.fz-juelich.de/record/873702},
}