Research Article

Impact of Labour Productivity Differences on Urban-Rural Integration Development and Its Spatial Effect: Evidence from a Spatial Durbin Model

Table 2

A classic urban-rural interaction evaluation index system.

Target layerCriterion layerSpecific indexIndex attributeWeight

Urban–rural interaction level (Lei Z, Jun L and et al., 2002)Spatial connectionProportion of mountain ground to the total area0.0073
Per capita water resources index+0.0276
Proportion of built-up area to total area+0.0174
Urban density+0.0253
Number of cities with a population of more than 200,000+0.0637
Number of small towns+0.0401
Railway network density+0.0531
Road network density+0.0531
Inland waterways navigation mileage+0.0531
Number of post offices per 10,000 people+0.0531
Treatment rate of waste water, waste gas, and solid waste+0.0531
per capita household electricity consumption+0.0531
Economic connectionPer capita GDP+0.0211
Proportion of nonagricultural industry in total output value+0.0699
Per capita output value of labour force of township enterprises+0.0419
Proportion of transferred labour force in total labour force+0.0510
Number of registered retail and wholesale markets+0.0163
Total retail sales of consumer goods in the whole society+0.0134
Proportion of agricultural expenditure in total fiscal expenditure+0.0364
Social connectionProportion of nonagricultural population in total population+0.0530
Number of illiterates and semi–illiterates over the age of 150.0454
Per capita income of rural households+0.0389
Urban Engel coefficient0.0250
Rural Engel coefficient0.0196
Number of telephones per household+0.0153
Number of medical beds per 10,000 people+0.0261
Number of libraries per 10,000 people+0.0144
Greenland coverage rate+0.0123