highly significantp < 0.001
Export was not statistically meaningful in Model 5 but highly significant in Model 6 ( p < 0.001).
Export was not statistically meaningful in Model 5 but highly significant in Model 6 ( p < 0.001).
All control variables in Model 7 and Model 8 showed meaningful statistical results; exports reached 10% levels in Model 7, which was partially significant but reached 0.1% level with high statistical significance in Model 8.