variables | Level | Difference | ||
t-statistic | Probability value | t-statistic | Probability value | |
lnPROD | 3.7259 | 0.9998 | −6.9378 | 0.0000 |
lnIMP | 0.4987 | 0.8177 | −3.6383 | 0.0007 |
LNEXP | 0.1881 | 0.7355 | −6.7783 | 0.0000 |
lnFERT | −1.1204 | 0.6978 | −10.1610 | 0.0000 |
lnLAND | 3.8894 | 0.9999 | −8.8317 | 0.0000 |
lnMACH | −0.3561 | 0.5499 | −9.2745 | 0.0000 |
lnLAND | −1.6268 | 0.4597 | −4.0073 | 0.0036 |
lnECOGTH | −1.4252 | 0.1412 | −9.9340 | 0.0000 |