The variable name

Regression coefficient and t-value

$old$

1.1679***

(2.9015)

$urban$

1.4379***

(5.3760)

$old\times urban$

−1.0051***

(−2.9378)

$gov$

−0.0160

(−0.5296)

$ddt$

0.2903***

(12.6461)

N

$R^2$

432

0.9983

Hausman

0.0692