Evaluation of the Efficiency of Marine Science and Technology, Green Efficiency of the Marine Economy, and Comprehensive Efficiency in China

Table 1

Index system of the two-stage efficiency and comprehensive efficiency.

Stage	First-level indices	Second-level indices
First	Inputs	Funding input
		Number of technology practitioners
		Number of marine scientific research institutions
	Outputs (intermediate variables)	Number of invention patents owned
		Number of papers published
		Number of works published
		Number of projects
Second	Inputs	Marine labor input
		Marine capital input
	Expected output	Gross ocean product
	Unexpected outputs	Discharge of marine industrial solid waste
		Discharge of marine industrial wastewater