is an extended cointegration period measurable how to estimate cointegration when are regression tests cointegrated? when regressing time series how long is a time series cointegrated what if my time series is cointegrated how to regress a period when does cointegration occur what if the time series are cointegrated over a long period, but not over a short period time series how long do they need to be cointegrated? how can i test cointegration of a time series what if you know that time series are cointegrated over a long period when regressing time series what is the period for cointegration what if period is cointegrated when is my period cointegrated how to calculate cointegration period how long can you regress a time series how to calculate cointegration can time series be cointegrated over a long period what is the window of cointegration of a time series?