Nguyễn Lan
New member
The order of integration:
A. can never be zero
B. is the number of times that the series needs to be differenced for it to be stationary
C. is the value of \({\phi _1}\) in the quasi difference \(\Delta {Y_t} – {\phi _1}{Y_{t – 1}}\)
D. depends on the number of lags in the VAR specification
A. can never be zero
B. is the number of times that the series needs to be differenced for it to be stationary
C. is the value of \({\phi _1}\) in the quasi difference \(\Delta {Y_t} – {\phi _1}{Y_{t – 1}}\)
D. depends on the number of lags in the VAR specification