Table 1.

Group benefits in the establishment of environmental governance index system.

Group	Benefits	Support Degree to Environmental Governance
Public (from the EKC)	1. Energy price is reduced [40];	Very supportive
	2. Income is increased to deal with environmental pollution [37];
	3. The satisfaction of environmental governance is fairly significant [41];
Government (from the pollution haven hypothesis)	1. The regulatory costs of the government should be significantly decreased [24];	Very supportive
	2. the penalties for polluters should be increased [42];
Enterprises (from the pollution haven hypothesis)	1. Increasing profits is the main aim, whereas environmental protection is not [43];	Very supportive
	2. The image of social responsibilities of environmental protection should be formed [44];
	3. New technology or renewable energy should be developed or introduced in order to reduce the cost of pollution [45].