Industrial structure industry heterogeneity test
| Test objects | Variables | Step 1 | Step 2 | Step 3 | Test results |
|---|---|---|---|---|---|
| ICT | Trade in digital services | 0.0390*** (0.0128) | 0.0422*** (0.0110) | 0.0290** (0.0128) | Mediation/total effect = 0.2570 |
| Technological innovation | 0.2375*** (0.0575) | ||||
| Insurance and pensions | Trade in digital services | −0.0043 (0.0104) | 0.0201** (0.0089) | −0.0097 (0.0102) | The mediating effect is not significant |
| Technological innovation | 0.2684*** (0.0571) | ||||
| finance | Trade in digital services | −0.0107 (0.0108) | 0.0403*** (0.0092) | −0.0223** (0.0108) | | Indirect effects /Direct effect | = 0.5208 |
| Technological innovation | 0.2882*** (0.0579) | ||||
| Other business services | Trade in digital services | 0.0622*** (0.0153) | 0.0721*** (0.0130) | 0.0467*** (0.0157) | Mediation/total effect = 0.25 |
| Technological innovation | 0.2157*** (0.0583) | ||||
| intellectual property | Trade in digital services | 0.0208* (0.0114) | 0.0642*** (0.0094) | 0.0044 (0.0118) | Mediation/total effect = 0.7868 |
| Technological innovation | 0.2549*** (0.0601) |
| Test objects | Variables | Step 1 | Step 2 | Step 3 | Test results |
|---|---|---|---|---|---|
| ICT | Trade in digital services | 0.0390*** (0.0128) | 0.0422*** (0.0110) | 0.0290** (0.0128) | Mediation/total effect = 0.2570 |
| Technological innovation | 0.2375*** (0.0575) | ||||
| Insurance and pensions | Trade in digital services | −0.0043 (0.0104) | 0.0201** (0.0089) | −0.0097 (0.0102) | The mediating effect is not significant |
| Technological innovation | 0.2684*** (0.0571) | ||||
| finance | Trade in digital services | −0.0107 (0.0108) | 0.0403*** (0.0092) | −0.0223** (0.0108) | | Indirect effects /Direct effect | = 0.5208 |
| Technological innovation | 0.2882*** (0.0579) | ||||
| Other business services | Trade in digital services | 0.0622*** (0.0153) | 0.0721*** (0.0130) | 0.0467*** (0.0157) | Mediation/total effect = 0.25 |
| Technological innovation | 0.2157*** (0.0583) | ||||
| intellectual property | Trade in digital services | 0.0208* (0.0114) | 0.0642*** (0.0094) | 0.0044 (0.0118) | Mediation/total effect = 0.7868 |
| Technological innovation | 0.2549*** (0.0601) |
Source(s): Table provided by the author