Table 8 The regression results of the effect on income inequality in developed countries by sub-period.
Sub-period I (1995–2007) | Sub-period II (2008–2020) | |||||||
|---|---|---|---|---|---|---|---|---|
Model I | Model II | Model III | Model IV | Model I | Model II | Model III | Model IV | |
Variables | ln INE | ln INE | ln INE | ln INE | ln INE | ln INE | ln INE | ln INE |
ln INNO | 0.060* (0.036) | 2.674*** (0.892) | 0.536 (1.397) | 0.523* (0.295) | 0.286* (0.156) | 7.761* (4.343) | −15.918* (9.647) | −6.847* (3.806) |
ln GDP | 0.007*** (0.637) | −5.290* (3.124) | ||||||
ln INNO*ln GDP | −0.056* (0.032) | 0.647* (0.366) | ||||||
ln GLO | 7.832* (4.370) | 10.809* (5.730) | ||||||
ln INNO*ln GLO | −0.595*** (0.192) | −1.722* (0.985) | ||||||
ln EGS | 1.484 (2.633) | −32.938* (19.263) | ||||||
ln INNO*ln EGS | −0.120 (0.354) | 3.624* (2.103) | ||||||
Control | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
CIPS | −4.759*** | 1.700 | 1.700 | 1.700 | −4.866*** | 1.443 | −4.011*** | 1.700 |
RMSE | 0.0102 | 0.0000 | 0.0000 | 0.0000 | 0.0051 | 0.0000 | 0.0053 | 0.0000 |
Observation | 403 | 403 | 403 | 403 | 396 | 396 | 396 | 396 |
