Variable

Equation (1)

Equation (2)

Equation (3)

Tax

−0.0222879 (−0.27)

0.3720648 (2.93)**

0.3012035 (2.45)**

Lngdp

1.56541 (2.29)**

1.492713 (2.66)**

−0.6123902 (−0.88)

Lntransp

0.4450334 (3.46)*

0.27308993 (1.24)

1.243981 (8.5)*

Lninfrast

−0.2029972 (−0.72)

−0.2981579 (−1.18)

0.706661 (1.52)

Lnwage

−1.205989 (−2.17)**

−0.0842086 (−0.11)

−0.4356984 (−0.58)

Cons

−0.0550826 (−0.07)

−1.445345 (−0.17)

−4.389396 (−4.64)*

R²

0.7529

0.6896

0.6336

F

35.96

49.34

34.37