Table 1 Calculation of variables.
Variables | Abbreviation | Method of calculation | |
|---|---|---|---|
Explained variable | Manufacturing enterprises agglomeration level | agg | The ratio of industrial enterprises in each region to the overall number of industrial enterprises |
Core explanatory variable | Digital economy | digi | Entropy weight method |
Control variables | Economic development level | lnpgdp | The logarithm of per capita GDP |
Fixed asset scale | fix | the ratio of total fixed assets to GDP | |
Degree of openness | fdi | the ratio of foreign direct investment to GDP | |
Education level | edu | The number of students in higher education per 100,000 population | |
Degree of government intervention | gov | the per capita government expenditure | |
Financial development level | fina | the ratio of financial institutions’ deposit and loan balances to GDP at the end of the year | |
