Research Article
The Method of Measuring the Agglomeration Degree of High-Tech Industries and Its Influence Mechanism: Taking Guangdong Province as an Example
Table 3
Variable table of influencing factors of high-tech industry agglomeration.
| First-level index | Second-level index | Third-level index |
| Marshall externalities | International trade | Total foreign import and export (X1) | Actual use of foreign direct investment amount (X2) | Knowledge spillover | Whole society R&D investment (X3) | Number of patent applications granted (X4) | Labor pool | Total number of employees (X5) | R&D personnel of industrial enterprises above designated size (X6) |
| New economic geography | Transportation cost | Highway mileage (X7) | Economies of scale | Regional GDP (X8) | Communication level | Total post and telecommunications business (X9) |
| Government actions | Local tax | Local general public budget revenue (X10) | Local industrial investment | Proportion of industrial investment in each city (X11) | Local technology investment | Proportion of local science and technology appropriations in fiscal expenditure (X12) |
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