fuel

0.0356

0.0387*

0.0425*

0.0405*

(−1.96)

(−2.12)

(−2.48)

(−2.51)

lntapi

0.373

0.0537

0.0759

0.0223

(−0.6)

(−0.1)

(−0.15)

(−0.04)

lngdp

6.413**

2.306*

2.272*

2.448*

(−3.14)

(−2.5)

(−2.61)

(−2.52)

ggdp

0.0550*

0.0445

0.0453

0.0442

(−2.22)

(−1.82)

(−1.8)

(−1.76)

lnpgdp

−5.282

(−2.00)

cc

−0.316

ps

(−0.45)

−0.207

rl

(−0.70)

−0.445

(−0.62)

d1

0

0

0

0

(.)

(.)

(.)

(.)

d2

0

0

0

0

(.)

(.)

(.)

(.)

cons

−114.4**

−50.39*

−49.91*

−53.89*

(−3.25)

(−2.41)

(−2.51)

(−2.42)

country

yes

yes

yes

yes

t

yes

yes

yes

yes

N

378

378

378

378

R²

0.1447

0.1355

0.1354

0.1363

F value

26.81

26.07

33.4

22.39

P

0.0000

0.0000

0.0000

0.0000