Table 4.

Evaluation index system of smart logistics.

Primary indicators	Secondary indicators	Tertiary indicators	Unit	Causality
Development elements	Technological innovation	Number of logistics industry invention patents	Pcs	+
	Financial support	Ratio of transportation and fiscal expenditure / Fiscal expenditure	%	+
	Talent scale	Number of logistics industry employees / Number of higher education personnel	/	+
		Proportion of employees in information transmission, computer services, and software industry	%	+
	Education investment	Ratio of fiscal education expenditure / Total expenditure	%	+
Development environment	Industrial structure	Logistics industry agglomeration	%	+
		Logistics industry output / Total output	%	+
	Digital finance	Digital Inclusive Finance Index	/	+
	Hardware sharing	Per capita internet broadband access ports	Pcs / Person	+
		Number of postal outlets per unit area	Pcs / Square meter	+
		Per capita fiber optic cable length	Meters / Person	+
	Software sharing	Mobile phone penetration rate	Set / 100 persons	+
		Number of national intelligent warehousing and logistics demonstration bases	Pcs	+
	Road density	(Road + railway mileage) / area	/ km	+
	Investment intensity	Logistics industry investment / Fixed asset investment	%	+
Development effectiveness	Intelligent Applications	Per capita telecommunications service volume	Pcs / Person	+
		Revenue from data processing, storage services / Logistics industry value added	%	+
		Revenue from platform operation and maintenance services / Logistics industry value added	/	+
	Hub capacity	Freight turnover	Pcs	+
	Economic benefit	Logistics industry revenue / Total population of the region	RMB / Person	+
	Environmental benefit	Logistics industry energy consumption / Logistics industry value added.	Tons of standard coal / RMB	-