Table 1

Comprehensive evaluation index system for international competitiveness of Shandong port cluster

First-level indicatorSecondary indicatorsThird-level indicators
International Competitiveness Level of Shandong Port ClusterSmart and GreenProportion of Green Collection and Distribution Transport
Number of Port Digitalization-related Patent Applications
Economic EfficiencyUtilization Efficiency of Port Shorelines
Cargo Throughput of Major Coastal Ports
Port’s Hinterland GDP
Supporting CapabilityLength of Productive Berths
Number of 10000ton Berths
Number of Related Practitioners
Integration and OpennessHinterland Openness Level
Port Connectivity
Foreign Trade Throughput
Source(s): Authors’ own creation

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