Table 3 Precision-effect test.
From: ICTs and economic performance nexus: meta-analysis evidence from country-specific data
(1) All studies | (2) internet | (3) teledensity | (4) ICT_index | |
|---|---|---|---|---|
Slope (precision) | 0.0337* (1.80) | −0.0198 (−1.04) | 0.1095** (2.17) | 0.0087 (0.09) |
Constant (bias) | 1.4786*** (3.59) | 2.4779*** (5.17) | −1.082 (−1.03) | 0.1316 (0.08) |
Observations | 713 | 265 | 229 | 37 |
Root MSE | 5.671 | 4.490 | 7.640 | 3.524 |
(5) ICT_other | (6) GDP | (7) GDP_per | (8) prod | |
Slope (precision) | 0.1732*** (4.92) | 0.1330*** (3.03) | −0.0180 (−1.08) | −0.0154 (−0.33) |
Constant (bias) | 1.0077 (1.49) | 0.2784 (0.28) | 1.7638*** (4.85) | 3.2604*** (3.29) |
Observations | 182 | 285 | 398 | 30 |
Root MSE | 3.522 | 7.334 | 4.078 | 2.918 |
(9) dev_ing | (10) dev_ed | (11) dev_both | (12) panel | |
Slope (precision) | 0.1034*** (2.79) | 0.3995*** (10.89) | −0.0068 (−0.18) | 0.0136 (0.55) |
Constant (bias) | −0.1816 (−0.29) | −1.5177*** (−2.80) | 2.0891* (1.74) | 2.0862*** (3.47) |
Observations | 321 | 170 | 222 | 542 |
Root MSE | 4.781 | 3.084 | 7.420 | 6.378 |
(13) time | (14) cross | (15) pub_year1 | (16) pub_year2 | |
Slope (precision) | 0.0602** (2.37) | 0.4506*** (3.35) | 0.0945** (2.19) | 0.0087 (0.55) |
Constant (bias) | 0.5682* (1.83) | −2.9466* (−1.90) | 0.7069 (0.78) | 1.5966*** (4.38) |
Observations | 153 | 18 | 338 | 375 |
Root MSE | 2.248 | 0.9653 | 6.994 | 4.077 |
