Efficiency Measurement and Determinant Factors of Marine Economy in China: Based on the Belt and Road Perspective

Table 1

Drivers of marine economic efficiency under the Belt and Road Initiative.

Variable category	Variable name	Variable code
Marine industrial structure	Marine Industrial Structure	MISI
	Marine Industrial Structure Diversification	MISD
	Marine Industrial Structure Upgrading	MISU
Transportation integration	Transport Network Density	TND
	Transportation Investment Scale	TIS
Level of opening-up	Import and Export Trade Proportion	IETP
	Outward Foreign Direct Investment Proportion	OFDIP
	Foreign Direct Investment Proportion	FDIP
Marine science and technology	Marine Scientific and Technological Achievements Conversion Rate	MSTACR
	Marine High-level Talents Reserve	MHTR
	Marine Research Institutions Density	MRID
	Marine Scientific and Technological Innovation Level	MSTIL
Marine ecological environment	Industrial Wastewater Discharge Control Rate	IWDCR
	Industrial Solid Waste Comprehensive Utilization Rate	ISWCUR