Evaluation of Urban Environmental and Economic Coordination Based on Discrete Mathematical Model

Table 1

Urban environmental and economic coordination evaluation index system.

System layer	Subsystem layer	Index level	Nature
People’s environmental system	Living conditions	Gas penetration rate	Positive indicators
		Water penetration rate	Positive indicators
		Daily water consumption per capita	Positive indicators
		Floor area of buildings completed	Positive indicators
		Sewage treatment rate	Positive indicators
		Park area per capita	Positive indicators
	Ecological environment quality	Park area per capita	Negative index
		SO2 annual average concentration	Negative index
		Green coverage of built-up area	Positive indicators
		Number of beds per thousand people	Positive indicators
	Public infrastructure	Every ten thousand people use public vehicles	Positive indicators
		Road area per capita	Positive indicators
		GDP per capita	Positive indicators
	Economic strength	Industrial output per capita	Positive indicators
		Per capita financial income	Positive indicators
		Total import and export trade	Positive indicators
Economic system	Industrial structure	The proportion of secondary industry to GDP	Positive indicators
		Tertiary industry’s share of GDP	Positive indicators
		Proportion of tertiary industry personnel	Positive indicators
		Proportion of secondary industry personnel	Positive indicators
		Total retail sales of consumer goods per capita	Positive indicators
	Resident income consumption	Average annual salary of employees	Positive indicators
		Per capita disposable income of urban residents	Positive indicators
		Consumer price index	Positive indicators