| Dependent variable |
TFP
|
Total factor production efficiency |
The C-D function is used to measure Inter-provincial Total Factor Productivity |
| Independent variable |
DEI
|
Digital economy development index |
The digital economy index consists of three dimensions: the basic sub-index (INF), the industrial sub-index (DIND) and the integration sub-index (FUSE). |
| Intermediary variable |
TP
|
Technological progress |
Combination of regional patent application authorization and technology market turnover |
| Control variable |
TD
|
Level of technology development |
R&D investment of industrial enterprises/ regional GDP |
|
FD
|
Level of financial development |
Total deposits and the loan balance of financial institutions/regional GDP |
|
IS
|
Level of industrial structure |
Service industry value added/regional GDP |
|
OPEN
|
Level of opening up |
Total imports and exports/regional GDP |
|
RD
|
Level of financial R&D investment |
Government financial R&D expenditure/general budget expenditure of local finance |
