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

Table 3

Evaluation indicator system of CEFT’s overall operation efficiency.

Indicator layer	Subindicator layer	Indicator description
Scale range	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
	Annual containers	The number of all containers actually carried by the CEFT in one year
	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
Transport efficiency	Operating lines	The number of CEFT running 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
Economic and trade contribution	Total value of annual freight	The value of importing and exporting freights on CEFT, reflecting the status and role of CEFT in China-EU economic and trade cooperation