Table 3 Selected control variables and definitions.
From: Effects of trial urban growth boundary delineation on land carrying capacity in China
Explained variables | Control variables | Definitions | Units |
|---|---|---|---|
Economic carrying capacity of land (ECC) | Secondary industry development level (SIL) | The ratio of added value of the secondary industry to GDP | % |
Tertiary industry development level (TIL) | The ratio of added value of the tertiary industry to GDP | % | |
Foreign economic development level (FEL) | Actual utilization of foreign capital | 104Dollar | |
Industrial development quality level (IDQ) | Total profits of industrial enterprises | 104Yuan | |
Resident consumption level (RCL) | Total retail sales of consumer goods | 108Yuan | |
Social carrying capacity of land (SOC) | Public transportation supply (PTS) | Number of public buses and trams | - |
Public transportation use (PTU) | Total public tram passenger transportation | 104persons | |
Public knowledge sharing (PKS) | Total number of books in public libraries | 103books | |
Public medical service (PMS) | Number of beds in medical and health institutions | - | |
Ecological carrying capacity of land (ENC) | Energy consumption (ENC) | Total electricity consumption | 104 KWh |
Water resources consumption (WRC) | Total water supply | 104 m3 |
