Research on Sustainable Development of Resource-Based Cities Based on the DEA Approach: A Case Study of Jiaozuo, China

Table 1

The evaluation index of the sustainable development in Jiaozuo.

Evaluation factor layer	Evaluation index layer
Input indexes	The number of workers at the end of the year (million)
	Local financial expenditure (ten thousand yuan)
	Fixed asset investment (ten thousand yuan)
	Annual water consumption (ten thousand tons)
	Annual power consumption (ten thousand Kwh)
Output indexes	Subindex of economic development	Industrial added value (a hundred million yuan); Gross regional product (a hundred million yuan); The proportion of secondary industry (%); Sustainable income of urban residents (yuan); Rural net income per capita (yuan)
	Subindex of society development	The population growth rate (); Public facilities land (hectare); Urban unemployment rate (%)
		Location investment (ten thousand yuan)
		The number of buses owned by urban people per ten thousand (vehicle)
	Subindex of environment development	Total industrial wastewater discharge (ten thousand tons); Industrial SO2 emissions (ton); Industrial dust emissions (ton)