Table 2 Results of fixed effects with both individual and time
Variables | Model 1 (no control variables) | Model 2 (within control variables) | ||
|---|---|---|---|---|
Parameters | OTPE | ITPE | OTPE | ITPE |
β1 | −0.0893 (0.036)** | −4.924 (1.31)*** | −0.141 (0.048)*** | −4.771 (1.05)*** |
β2 |  |  | 0.0183 (0.0047)*** | 0.109 (0.26) |
β3 |  |  | 0.206 (0.070)*** | 9.636 (3.74)** |
C | 112.714 | 3916.778 | 77.944 | 2691.983 |
R2 | 0.987 | 0.978 | 0.988 | 0.978 |
N | 248 | 248 | 248 | 248 |
F | 432.63 | 239.10 | 424.83 | 232.93 |
Prob(F-statistic) | 0 | 0 | 0 | 0 |