Measurement and Impactors of Tourism Carbon Dioxide Emission Efficiency in China

Table 4

Regression results of the Tobit model.

Variable	Coefficient	T-statistic	value
	0.0212	0.87	0.386
	−0.9500	−4.25	≤0.001
	−0.0523	−5.56	≤0.001
	−2.1830	−2.42	0.016
	2.2697	11.45	≤0.001
	−12.8019	−3.00	0.003
L-likelihood	13.5581

Note: , , and are the significance levels of 10%, 5%, and 1%, respectively.