Table 1 Descriptive statistics of main variables.
From: How does inter-provincial trade promote economic growth? Empirical evidence from Chinese provinces
Variable name | Variable definition | Variable symbol | Mean | Std. dev | Min | Max | |
---|---|---|---|---|---|---|---|
Dependent variable | Economic growth | Per capita GDP | \({{\mathrm{ln}}{\rm{per}}_{-}{\rm{GDP}}}\) | 10.22 | 0.890 | 7.887 | 12.12 |
Independent variable | Inter-provincial trade | Total inter-provincial trade volume | \({\rm {{lntrade}}}\) | 9.580 | 1.103 | 5.961 | 12.97 |
Control variable | International trade | Total import and export volume | \({{\rm{lninterna}}\_{\rm{trade}}}\) | 7.469 | 1.789 | 2.582 | 11.32 |
Technical input | Acceptance of domestic invention patents | \({{\rm {lnpatents}}}\) | 8.480 | 1.842 | 3.584 | 12.40 | |
Investment | Total investment in fixed assets of the whole society | \({{\rm {lncap}}}\) | 8.690 | 1.297 | 5.018 | 11.05 | |
Human capital | Per capita years of education | \({{\rm{lnh}}\_{\rm{cap}}}\) | 2.148 | 0.130 | 1.693 | 2.548 |