Research Article
The Core-Periphery Structure in the Yangtze River Delta: An Enterprise Linkage Perspective, 1978–2019
Table 1
Regression variables and representational meaning.
| | Independent variables | Interpretation of independent variables (unit of measurement) | Representational meaning |
| | FAI | Per capita investment in fixed assets (yuan/person) | Capital input | | LR | Number of employees (ten thousand people) | Labor input | | UR | Ratio of nonagricultural population (%) | Urbanization | | IDU | Ratio of the output value of the secondary industry in the total output value (%) | Industrialization level | | FRE | Ratio of fiscal budget revenue to fiscal budget expenditure | Marketization | | DP | Per capita savings deposit balance of urban and rural residents (yuan/person) | Capital status | | PD | The population density (person/km2) | Labor abundance | | CGP | Total retail sales of consumer goods per capita (yuan/person) | Market capacity | | HM | Highway mileage (km) | Traffic accessibility | | TS | Number of fixed telephone users (ten thousand households) | Communication facility status |
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