Table 1.

Evaluation of the strength of potential impact on the economic development

Variables	(1)	(2)	(3)
SClogistics	0.010**
	− 0.004
Energy consump		0.003
		− 0.003
CO2 emissions			0.011***
			− 0.004
GDP(t − 1)	− 0.009***	− 0.009***	− 0.009***
	− 0.003	− 0.003	− 0.003
Financial aid	0.018***	0.018***	0.018***
	− 0.006	− 0.006	− 0.006
Tax cut	0.271***	0.273***	0.268***
	− 0.087	− 0.088	− 0.087
Subsidy	0.010**	0.011***	0.010**
	− 0.004	− 0.004	− 0.004
Insurance	0.005	0.004	0.005
	− 0.003	− 0.003	− 0.003
Elasticity
Logistics measure	1.439**	0.471	1.760**
	− 0.672	(0.489)	− 0.695
Cameron and Trivedi’s IM-test
Heteroskedasticity	[0.000]	[0.000]	[0.000]
Skewness	[0.089]	[0.087]	[0.095]
Kurtosis	[0.140]	[0.132]	[0.146]
Total	[0.000]	[0.000]	[0.000]
Observations	522	522	522
R-squared	0.231	0.26	0.26

Author calculation