what is acf in unit root process what is acf of process is the acf of a unit root what is the acf of a unit root what is the acf of a unit root process what is the acf of a unit root? when a unit root is slow which process does unit root represent which condition is true about the acf of a unit root? is acf a linear unit root what is the acf of a unit root why is the acf of a unit root a unit root is a unit root process slow acf what is acf in a unit root process which model shows slow decay what is the acf of a unit root process what is the acf of the unit root? is a unit root process a unit root process acf of _________ is equal to a unit root which is the unit root of a acf