Regression tree estimations for Model 3
| Determinants | Estimation without subgroups | Low institutional quality group | Medium institutional quality group | High institutional quality group |
|---|---|---|---|---|
| Constant | −0.344 (0.360) | 0.378 (0.504) | −1.292* (0.069) | 1.447 (0.209) |
| Ln(Invi) | 0.751*** (0.000) | 0.718*** (0.000) | 0.911*** (0.000) | 0.399* (0.077) |
| Ln(Yi0) | −0.155*** (0.000) | −0.210*** (0.000) | −0.108** (0.020) | −0.228** (0.013) |
| Ln(ni + δ + ζ) | −0.583*** (0.000) | −1.081*** (0.000) | −0.470*** (0.000) | −0.113 (0.611) |
| Ln(Cori) | 0.044 (0.137) | 0.066 (0.137) | −0.114 (0.369) | 0.006 (0.928) |
| R2 | 0.603 | 0.655 | 0.760 | 0.414 |
| N | 103 | 40 | 30 | 33 |
| Determinants | Estimation | Low institutional | Medium institutional | High institutional |
|---|---|---|---|---|
| Constant | −0.344 (0.360) | 0.378 (0.504) | −1.292* (0.069) | 1.447 (0.209) |
| Ln(Invi) | 0.751*** (0.000) | 0.718*** (0.000) | 0.911*** (0.000) | 0.399* (0.077) |
| Ln(Yi0) | −0.155*** (0.000) | −0.210*** (0.000) | −0.108** (0.020) | −0.228** (0.013) |
| Ln(ni + δ + ζ) | −0.583*** (0.000) | −1.081*** (0.000) | −0.470*** (0.000) | −0.113 (0.611) |
| Ln(Cori) | 0.044 (0.137) | 0.066 (0.137) | −0.114 (0.369) | 0.006 (0.928) |
| 0.603 | 0.655 | 0.760 | 0.414 | |
| N | 103 | 40 | 30 | 33 |
Notes:
Corruption level indicator a priori excluded as a split variable; *** significance at 1%, ** at 5% and * at 10%
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