Journal
ECONOMIC MODELLING
Volume 29, Issue 4, Pages 1450-1460Publisher
ELSEVIER
DOI: 10.1016/j.econmod.2012.02.014
Keywords
Granger non-causality; Panel data; Wald test
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This paper proposes a very simple test of Granger (1969) non-causality for heterogeneous panel data models. Our test statistic is based on the individual Wald statistics of Granger non causality averaged across the cross-section units. First, this statistic is shown to converge sequentially to a standard normal distribution. Second, the semi-asymptotic distribution of the average statistic is characterized for a fixed T sample. A standardized statistic based on an approximation of the moments of Wald statistics is hence proposed. Third, Monte Carlo experiments show that our standardized panel statistics have very good small sample properties, even in the presence of cross-sectional dependence. (C) 2012 Elsevier B.V. All rights reserved.
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