Exploring Coupling Relationship between Urban Connection and High-quality Development Using the Case of Lanzhou-Xining Urban Agglomeration

Table 1

Evaluation system of urban high-quality development.

Goal layer	Criterion layer	Weight	Indexes	Index mark	Index attributes	Comprehensive weight
Urban high-quality development index system	Innovation development	0.2	Number of patent applications per 10,000 people	A1	+	0.072
			R&D internal expenditure as a percentage of GDP	A2	+	0.059
			R&D personnel per 10,000 people	A3	+	0.069
	Coordination development	0.2	Urban-rural income ratio	B1	−	0.058
			GDP per capita	B2	+	0.063
			The proportion of urban population in total population	B3	+	0.079
	Green development	0.2	PM2.5 concentration	C1	−	0.069
			Green coverage rate in built-up area	C2	+	0.072
			Energy consumption per unit of GDP	C3	−	0.059
	Openness development	0.2	The proportion of total import and export in GDP	D1	+	0.070
			Actual foreign investment as a proportion of GDP	D2	+	0.068
			Number of internet broadband access users per 10,000 people	D3	+	0.062
	Sharing development	0.2	Number of beds in health institutions per 10,000 people	E1	+	0.062
			Public library collections per 10,000 people	E2	+	0.065
			Road area per capita	E3	+	0.073