Operation Efficiency Evaluation of the China-Europe Freight Train Based on Grey Cross-Efficiency DEA

Table 4

Input and output indicator system on efficiency evaluation of CEFT’s overall operation efficiency.

Dimension	Indicator	Indicator description
Inputs	Annual operation trains,	The number of annual operation trains
	Overseas cities,	The number of overseas cities with entry-exit nodes of CEFT
	Domestic cities,	The number of cities with entry-exit nodes of CEFT in China
	Operating lines,	The number of CEFT operating lines among China, Europe, and countries along the belt and road, including trunk lines and branch lines
	Entry-exit nodes,	The number of entry-exit nodes of CEFT in China
Outputs	Annual containers,	The number of all containers actually carried by the CEFT in one year
	Total value of annual freights,	The value of importing and exporting freights on CEFT, reflecting the status and role of CEFT in China-EU economic and trade cooperation
	Train return ratio,	The ratio of the returned trips to the total trips, reflecting the balance of the two-way trips between China and Europe