| lnm | |||
| (1) | (2) | (3) | (4) |
epu1 | −0.00039 | −0.00017 | −0.00013 | 3.08E−06 |
| (−0.24) | (−0.10) | (−0.07) | 0 |
metal | 0.00669 | 0.0209 | 0.0185 | 0.0215 |
| (−0.37) | (−1.13) | (−1.02) | (−1.2) |
fuel | 0.0361 | 0.0391* | 0.0425* | 0.0405* |
| (−2.02) | (−2.19) | (−2.49) | (−2.53) |
lntapi | 0.372 | 0.0637 | 0.0837 | 0.032 |
| (−0.59) | (−0.12) | (−0.16) | (−0.06) |
lngdp | 6.104** | 2.234* | 2.208* | 2.382* |
| (−3.32) | (−2.51) | (−2.63) | (−2.53) |
ggdp | 0.0565* | 0.0459 | 0.0465 | 0.0454 |
| (−2.24) | (−1.87) | (−1.85) | (−1.81) |
lnpgdp | −5.025 |
|
|
|
cc | (−2.00) | −0.281 |
|
|
ps |
| (−0.42) | −0.196 |
|
|
|
| (−0.66) |
|
rl |
|
|
| −0.421 |
|
|
|
| (−0.61) |
d1 | 0 | 0 | 0 | 0 |
| (.) | (.) | (.) | (.) |
d2 | 0 | 0 | 0 | 0 |
| (.) | (.) | (.) | (.) |
cons | −108.5** | −48.58* | −48.28* | −52.24* |
| (−3.50) | (−2.44) | (−2.56) | (−2.45) |
country | yes | yes | yes | yes |
t | yes | yes | yes | yes |
N | 378 | 378 | 378 | 378 |
R2 | 0.1431 | 0.1346 | 0.1346 | 0.1353 |
F value | 27.13 | 23.96 | 31.28 | 30.82 |
P | 0.0000 | 0.0000 | 0.0000 | 0.0000 |