Table 5.
Variables | Level | First differences | ||
---|---|---|---|---|
Constant | Constant + Trend | Constant | Constant + Trend | |
CO | −1.173 | −1.215 | −7.662 * | −8.035 * |
EPS | −1.564 | −1.739 | −9.716 * | −9.994 * |
HDI | −1.209 | −1.296 | −8.270 * | −8.619 * |
Source: own processing. Note: * it is significant at 1% significance level.