Table 1 Descriptive statistics of the sample
| Variable | Mean | Maximum | Minimum | Std. Deviation |
|---|---|---|---|---|
| (I/Y) | 19.44 | 51.75 | 3.39 | 4.91 |
| (S/Y) | 17.70 | 59.73 | −9.18 | 8.10 |
| Panel Tests for Normality: Sktest | ||||
| Joint Test on e: Chi2 (2) = 3.30 p-value (0.19) | ||||
| Joint Test on u: Chi2 (2) = 2.98 p-value (0.23) | ||||