| OLS | FE | Differential GMM | Systematic GMM |
| 0.1450* | −0.1808* | −0.1837*** | 0.1786*** |
| (1.11) | (−1.13) | (−3.62) | (2.19) |
| −1.5574* | −2.9062* | −4.6587* | −2.4309 |
| (−0.98) | (−0.90) | (−1.15) | (−0.65) |
| 1.3662* | 0.9662* | 0.5741 | 0.7712 |
| (1.47) | (0.91) | (0.53) | (0.52) |
| 2.2740* | −1.6682 | −7.2755* | −4.8061* |
| (1.16) | (−0.24) | (−0.88) | (−1.22) |
| −3.4943** | 17.2964*** | 23.2273*** | 4.5612* |
| (−1.82) | (2.61) | (4.73) | (1.33) |
| −1.0466*** | −1.1679* | −1.6147* | −1.4228*** |
| (−2.12) | (−1.23) | (−1.07) | (−2.14) |
| 0.0628 | 4.6766* | 5.2781* | 0.5404 |
| (0.02) | (1.21) | (1.00) | (0.13) |
| 0.7219* | 1.2063*** | 1.2879*** | 1.0013* |
| (1.20) | (2.16) | (2.04) | (1.61) |
C | 0.1715* | −0.2726 | −0.1006 | 0.2651 |
| (1.04) | (−0.54) | (−0.17) | (0.66) |
F | 3.40 | 2.37 |
|
|
| 0.0038 | 0.0369 |
|
|
R-squared | 0.3877 | 0.3446 |
|
|
AR 2(P) |
|
| 0.5967 | 0.3301 |
Sargan(P) |
|
| 1.0000 | 0.9999 |