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

Table 2

Questionnaire of the importance ratings of subindicators of evaluating CEFT’s operation efficiency.

Indicator layer	Subindicator layer	Extremely important	Very important	Important	General important	Unimportant
Scale range	Annual operation trains
	Annual outbound trains
	Annual inbound trains
	Annual containers
	Annual outbound containers
	Annual inbound containers
	Train return ratio
	Ratio of returned containers
	Domestic cities
	Overseas cities
	Container conversion
Speed efficiency	Average time
	Average speed
Transport efficiency	Operating lines
	Entry-exit nodes
	Capacity utilization
	Average static load rate
	Full-capacity rate
	Fulfilled rate
	Loaded container rate
Operation cost	Average freight charges of operation
	Government subsidy
Economic and trade contribution	Total value of annual freight
	Total value of the outbound freight
	Total value of the inbound freight
	Unit TEU value
	Outbound unit TEU value
	Inbound unit TEU value
	Ratio of key categories
	China-EU total trade
Freight traffic safety	Safety accidents
	Freight damage and theft
	Insurance claims business