Explanatory Variables

Equation (9)

Equation (10)

Equation (11)

Equation (12)

Equation (13)

Constant

16.48 (−3.11)***

−40.53 (−3.06)***

−45.86 (−3.78)***

−38.76 (−2.65)**

−41.29 (−4.81)***

Lni

0.286 (2.21)**

0.405 (3.06)***

0.41 (3.71)***

0.39 (3.24)***

0.35 (2.98)**

Lng

0.42 (3.28)***

0.28 (2.86)**

0.37 (2.67)**

0.36 (2.41)**

0.34 (2.39)**

Lnh

0.26 (2.48)**

0.24 (3.56)***

0.19 (1.52)

0.31 (2.27)**

0.29 (2.96)**

Lnx

−0.41 (2.61)**

−0.48 (−2.99)**

−0.39 (−2.76)**

−0.37 (−2.16)*

−0.43 (−2.74)**

Lnp

−0.007 (−2.08)*

−0.003 (−2.19)*

−0.001 (−2.48)**

−0.006 (−2.39)**

−0.018 (−2.13)*

Lnc

−2.69 (−3.04)***

−1.84 (2.39)**

−0.45 (−1.16)

−1.37 (−2.02)*

−2.58 (−2.74)**

-0.02 (−2.56)*

0.03 (0.27)

−0.08 (−0.73)

−2.33 (−3.42)***

−2.48 (−2.57)**

Adj. R-sq.

0.643

0.715

0.694

0.741

0.709

Serial correlation

0.054

0.047

0.027

0.297

0.093

Heteroscedasticity

0.381

0.463

0.293

0.692

0.471