Variable | Real oil price (Brent) | Real oil price (WTI) | ||
---|---|---|---|---|
ARDL | NARDL | ARDL | NARDL | |
d(lunempl_1) | 0.447*** | 0.442*** | 0.459*** | 0.433*** |
d(lropbtr) | 0.078* | Â | Â | Â |
d(lropbtr_pos) | Â | 0.054 | Â | Â |
d(lropbtr_neg) | Â | 0.105* | Â | Â |
d(lrwt) | Â | Â | 0.065 | Â |
d(lrwtin_pos) | Â | Â | Â | 0.080* |
d(lrwtin_neg) | Â | Â | Â | 0.074 |
d(lrgdp) | 0.014 | − 0.168* | 0.044 | 0.774 |
d(lcpi) | 0.023** | − 0.198* | − 0.552*** | − 0.622*** |
d(lrate) | 0.007 | 0.007 | 0.009 | 0.008 |
d(fdi) | 0.032** | 0.036*** | 0.025*** | 0.038*** |
ect(-1) | − 0.051*** | − 0.078*** | − 0.056*** | − 0.086*** |
c | − 5.613 | 66.873* | − 21.417 | 95.592** |
lropbtr | − 0.126 |  |  |  |
lropbtr_pos | Â | 0.691* | Â | Â |
lropbtr_neg |  | − 0.252 |  |  |
lrwti |  |  | − 0.365 |  |
lrwti_pos | Â | Â | Â | 0.939** |
Lrwti_neg |  |  |  | − 0.319 |
lrgdp | 0.272 | − 2.139* | 0.791 | − 3.067** |
lcpi | 0.446** | − 0.160 | 0.254 | − 0.278* |
lrate | − 0.083* | − 0.058** | − 0.067* | − 0.056** |
fdi | − 0.275* | − 0.180** | − 0.115 | − 0.073 |
R-squared | 0.9939 | 0.9941 | 0.9949 | 0.9952 |
Adjusted R-squared | 0.9935 | 0.9936 | 0.9945 | 0.9947 |
F-statistic | 2387.895 (0.0000) | 2046.025 (0.0000) | 193.579 (0.0000) | 2113.660 (0.0000) |
Durbin–Watson stat | 1.998 | 1.947 | 1.949 | 1.889 |
ARDL bounds test | 4.791*** | 4.622*** | 4.107** | 4.805*** |
Diagnostic tests | ||||
Jarque–Bera | 141.573 (0.0000) | 135.167 (0.0000) | 259.084 (0.0000) | 287.498 (0.0000) |
B-G serial corr. LM test | 1.515 (0.2233) | 0.299 (0.5853) | 0.241 (0.6241) | 1.175 0.2803) |
Het. ARDL LM test | 2.308 (0.1307) | 2.617 (0.1078) | 2.019 (0.1366) | 1.487 (0.2296) |
Ramsey RESET test | 1.189 (0.2363) | 0.427 (0.6699) | 2.243 (0.0265) | 0.661 (0.5095) |
CUSUM test | Stable | Stable | Stable | Unstable |
CUSUM Square test | Unstable | Unstable | Unstable | Unstable |