In this article, we describe the gwke82 command, which implements a measure of instantaneous feedback for two time series following Geweke (1982, Journal of the American Statistical Association 77: 304–313).
GewekeJ.1982. Measurement of linear dependence and feedback between multiple time series. Journal of the American Statistical Association77: 304–313.
2.
GrangerC. W. J.1969. Investigating causal relations by econometric models and cross-spectral methods. Econometrica37: 424–438.
3.
ZhangL., ZhongG., WuY., VangelM. G., JiangB., and KongJ.2010. Using Granger–Geweke causality model to evaluate the effective connectivity of primary motor cortex, supplementary motor area and cerebellum. Journal of Biomedical Science and Engineering3: 848–860.