engle-granger cointegration how to test for cointegration when to test cointegration of an equation when test cointegration does dt equal the d_t during an economic crisis? what is the cointegration test what is the equation for cointegration in the economics engle-granger cointegration what is the engle-granger methodology based on what is the d_t of cointegration test what is cointegration test when to use cointegration tests what test do i use to test cointegration d_t is the variable used in the equation for economic cointegration when testing cointegration, a dummy variable is called which test is used to test cointegration in an adf scenario? which method does engle-granger use? what dummies does engle-granger use which dummy variable for cointegration what is the cointegration test