Table 2 Data source information.
Code | Data Name | Reference |
---|---|---|
X1 | GDP | China Economic Network (2022) |
X2 | Cargo volume | NBSC National Bureau of Statistics of China (2021) |
X3 | Express business volume | MOT Ministry of Transport of the People’s Republic of China (2022) |
X4 | Road network density | China Highway (2020) |
X5 | Digital village index | Peking University Institute for New Rural Development (2020) |
X6 | The number of enterprises with e-commerce activities | NBSC National Bureau of Statistics of China (2021) |
X7 | Regional innovation and entrepreneurship indexa | Peking University Open Research Data Platform (2019) |