Divide

Bowman

Burke

Model type

ARIMA (2, 1, 0) (0, 1, 1)s

ARIMA (2, 1, 0) (0, 1, 0)s

ARIMA (2, 1, 0) (0, 1, 1)s

AR (1)

0.39*** (0.11)

−0.30** (0.11)

−0.06 (0.11)

AR (2)

−0.32*** (0.12)

−0.18 (0.11)

0.31*** (0.11)

SMA (12)

0.37*** (0.14)

N/A

0.71*** (0.24)

No. of Obs.

89

91

91

MAE

29413

38122

12685

R2

0.985

0.967

0.974

Ljung-Box χ2 test for error autocorrelation

No at 5%

No at 5%

No at 5%

ADF test for trend

No at 1%

No at 1%

No at 1%

SDF test for trend

No at 1%

No at 1%

No at 1%