Qu, Zhongjun; Perron, Pierre - 2006
We consider Johansen's (1988, 1991) cointegration tests when a Vector AutoRegressive (VAR) process of order k is used … the implication that the cointegration tests suffer from substantial size distortions in finite samples. We extend the … provide theoretical analyses of its validity and of the fact that cointegration tests constructed from a VAR whose lag order …