The Impact of the “Belt and Road” Initiative on Tourism Economic Development in Chinese Regions along the Route—An Empirical Analysis Based on DID Model

Table 1

Introduction of variables and calculation methods.

Representation	Variable	Name of variable	Method of variable accounting	Average value
Level of tourism development	Domestic tourism revenue	pcinc_dom	Domestic tourism revenue	248707.5
	Inbound tourism revenue	pcinc _fore	Inbound tourism revenue	1814.44
	Domestic tourism receipts	pcpop_dom	Domestic tourism receipts	202774.3
	Inbound tourism receipts	Pcpop_fore	Inbound tourism receipts	3094.37
	Total tourism revenue home and abroad	pcinc	Total tourism revenue home and abroad	205868.6
	Total tourists receipts	pcpop	Total tourists receipts	250521.9
Ability of tourism service	Number of star hotels per 10 k	hotel	Number of star hotel/Total population of the region EOY	2.79
Level of traffic convenience	Number of taxi per 10 k	taxi	Number of taxi/Total population of the region EOY	177.66
Level of economic development	Per capita consumption of electricity	elec	Number of electricity consumption/Total population of the region EOY	154049.1
	Per capita GDP	gdp	GDP/Total population of the region EOY	418492.4
Level of higher education	Level of higher education	educ	Number of higher learning institutions/Total population of the region EOY	0.06
Level of medical care	Level of medical care	med	Number of doctors/Total population of the region EOY	33.61
Preference of landscape	Greening rate	green	Area of greening/Area of land	0.36
	Square of greening	green^2	(Area of greening/Area of Land)^2	0.156
	The Belt and Road	BR	BR city or not