Research Article
China’s Spatial Economic Network and Its Influencing Factors
Table 8
Variable selection for QAP analysis.
| Variables | Signification | Data processing |
| BOU | Whether provinces are adjacent | Build a binary matrix |
| IDM | Distance matrix between provinces | Take the distance between the provincial capitals as the standard |
| PAG | Per capita GDP | Calculate the difference between the provinces after standardized processing | FI | Foreign investment | FIE | The number of foreign-invested enterprises | PSI | The proportion of the added value of the secondary industry | PTI | The proportion of added value of tertiary industry | PRA | Proportion of road area |
| LMS | Labor market size | After normalization and difference, the matrix is converted into a 0-1 matrix with the row mean value as the threshold | NHW | The number of health personnel |
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