| Variables | Group of Seven | Next Eleven | World sample | |||
|---|---|---|---|---|---|---|
| ΔY+ | ΔY− | ΔY+ | ΔY− | ΔY+ | ΔY− | |
| ECT | −0.427* (0.000) | −0.5535* (0.000) | −0.458* (0.000) | −0.413* (0.000) | −0.494* (0.000) | −0.446* (0.000) |
|
| −0.006* (0.000) | 0.021** (0.036) | 0.034* (0.007) | −0.036* (0.000) | −0.001** (0.013) | 0.001* (0.003) |
|
| 0.021* (0.000) | −0.013* (0.000) | 0.440* (0.000) | 0.066* (0.000) | 0.015* (0.000) | −0.011* (0.000) |
|
| −0.061 (0.466) | −0.049 (0.710) | −1.114 (0.264) | 1.167 (0.242) | −0.004 (0.577) | 0.005 (0.544) |
|
| 0.026 (0.243) | −0.002 (0.290) | 1.337** (0.026) | −1.217** (0.036) | −0.005 (0.480) | 0.005 (0.463) |
|
| 0.011 (0.992) | −0.009 (0.627) | 0.945 (0.257) | −0.955 (0.259) | −0.010 (0.397) | 0.011 (0.380) |
|
| −0.001 (0.626) | 0.009 (0.396) | −0.339 (0.640) | 0.436 (0.556) | −0.003 (0.794) | 0.004 (0.747) |
| Constant | −1.813 (0.075) | −1.394 (0.145) | −296.64* (0.006) | −71.781 (0.121) | 1.881744 (0.236) | −5.050* (0.001) |
| Hausman (χ2) | 2.17 (0.250) | 2.55 (0.601) | 4.17 (0.542) | |||
| Wald test (long-run asymmetry) | 4.05** (0.0443) | 7.76* (0.005) | 5.76** (0.051) | |||
| Wald test (short-run asymmetry) | 0.07 (0.7917) | 0.12 (0.730) | 0.83 (0.305) | |||
| Log likelihood | −284.11 | 111.42 | −3620.302 | |||
CD test results (Pesaran’s test 2004)_
| Variables | CD-test | P-value | Average joint T | Mean Ï | Mean abs (Ï) |
|---|---|---|---|---|---|
| GDP growth per capita | 21.417 | 0.000 | 37.95 | 0.06 | 0.18 |
| Energy use | 102.57 | 0.000 | 37.95 | 0.27 | 0.54 |
Linear ARDL results_
| ΔY | MG (BRICS) | PMG (SAARC) |
|---|---|---|
| ECT | −0.008* (0.043) | −0.0064577 (0.389) |
| Long-run effect | −0.829* (0.000) | −1.040631* (0.000) |
| Short run effect | 0.054* (0.001) | 0.0496974* (0.006) |
| _cons | 4.914* (0.000) | 2.895211* (0.000) |
| Hausman test | 7.51** (0.0234) | 0.21 (0.6462) |
| Wald test (long-run asymmetry) | 1.75 (0.1855) | 1.09 (0.2971) |
| Wald test (short-run asymmetry) | 1.26 (0.2616) | 0.42 (0.5146) |
| Log likelihood | −366.9499 |
Descriptive statistics_
| Variable | Obs | Mean | Std. dev. | Min | Max | Coef of variation |
|---|---|---|---|---|---|---|
| Whole sample | ||||||
| GDPG | 3,431 | 1.715 | 4.945 | −64.99 | 53.97 | 2.88 |
| EU | 3,431 | 2,130.886 | 2,369.316 | 99.71 | 18,178.141 | 0.011 |
| BRICS | ||||||
| GDPG | 114 | 6.823461 | 3.996938 | −7.3881 | 13.63833 | 0.585 |
| EU | 114 | 842.0321 | 559.7145 | 279.380 | 2,236.730 | 0.664 |
| Next Eleven | ||||||
| GDPG | 418 | 2.49 | 4.55 | −30.18 | 22.12 | 1.82 |
| EU | 418 | 958.1 | 930.15 | 99.70 | 5,248.5 | 0.97 |
| ECO | ||||||
| GDPG | 114 | 1.40 | 6.05 | −30.18 | 22.14 | 4.32 |
| EU | 114 | 1,064.1 | 680.6 | 302.54 | 2,889.10 | 0.63 |
| Big Four in Western Europe | ||||||
| GDPG | 152 | 1.66 | 1.78 | −5.46 | 5.87 | 1.07 |
| EU | 152 | 4,053.8 | 341.3 | 3,172.8 | 4,658.3 | 0.048 |
| Asia-Pacific region | ||||||
| GDPG | 570 | 3.47 | 3.47 | −14.35 | 13.64 | 1 |
| EU | 570 | 944.23 | 1,122.8 | 99.71 | 4,083.8 | 1.189 |
| Group of Seven | ||||||
| GDPG | 266 | 1.66 | 2.10 | −7.94 | 6.33 | 1.26 |
| EU | 266 | 4,770.7 | 1,970.9 | 2,203.8 | 8,455.5 | 0.41 |
| Arab League | ||||||
| GDPG | 418 | 1.148 | 5.10 | −25.61 | 11.83 | 4.44 |
| EU | 418 | 1,811.7 | 1,903.7 | 235.18 | 6,871.8 | 1.05 |
| SAARC region | ||||||
| GDPG | 190 | 3.01 | 2.35 | −7.39 | 9 | 0.78 |
| EU | 190 | 334.7 | 119.6 | 99.71 | 636.5 | 0.35 |
Unit root test results in the presence of cross-section dependence (Pesaran’s test 2007)_
| Variables | Level | First difference | ||||||
|---|---|---|---|---|---|---|---|---|
| CIPS (−1) | CIPS (−2) | CIPS (−3) | Critical value (5%) | CIPS (−1) | CIPS (−2) | CIPS (−3) | Critical value (5%) | |
| No intercept no trend | ||||||||
| GDP growth | −1.231 | −3.761 | −3.774 | −1.52 | −5.963 | −5.935 | −5.934 | −1.52 |
| Energy use | −1.134 | −1.267 | −1.268 | −1.52 | −5.097 | −4.940 | −4.883 | −1.52 |
| Only intercept | ||||||||
| GDP growth | −1.107 | −4.107 | −4.107 | −2.08 | −5.977 | −5.977 | −5.977 | −2.08 |
| Energy use | −1.606 | −1.606 | −1.606 | −2.08 | −5.272 | −5.272 | −5.272 | −2.08 |
| Linear trend | ||||||||
| GDP growth | −2.48 | −4.470 | −4.453 | −2.56 | −6.206 | −6.161 | −6.181 | −2.65 |
| Energy use | −1.836 | −1.936 | −1.893 | −2.56 | −5.537 | −5.461 | −5.410 | −2.65 |
Asymmetric co-integration results of Hatemi-J’s test (2020)_
| Variables | Kao test results | ||
|---|---|---|---|
| Im et al. (2003) unit root test results on residuals | Decision regarding residuals | ||
| Arab League | Y+, X+ | −2.4916 (0.0003) | I (0), Stationary |
| Y+, X− | −2.7552 (0.000) | I (0), Stationary | |
| Y−, X− | −2.7677 (0.000) | I (0), Stationary | |
| Y−, X+ | −2.6207 (0.000) | I (0), Stationary | |
| Asia-Pacific region | Y+, X+ | −2.6571 (0.000) | I (0), Stationary |
| Y+, X− | −2.9797 (0.000) | I (0), Stationary | |
| Y−, X− | −2.3041 (0.003) | I (0), Stationary | |
| Y−, X+ | −2.4447 (0.0001) | I (0), Stationary | |
| Big Four in Western Europe | Y+, X+ | −4.0673 (0.000) | I (0), Stationary |
| Y+, X− | −3.2235 (0.000) | I (0), Stationary | |
| Y−, X− | −2.5821 (0.012) | I (0), Stationary | |
| Y−, X+ | −2.6298 (0.010) | I (0), Stationary | |
| ECO | Y+, X+ | −3.5681 (0.0004) | I (0), Stationary |
| Y+, X− | −2.5875 (0.025) | I (0), Stationary | |
| Y−, X− | −2.8706 (0.013) | I (0), Stationary | |
| Y−, X+ | −2.7547 (0.013) | I (0), Stationary | |
| Group of Seven | Y+, X+ | −3.2938 (0.000) | I (0), Stationary |
| Y+, X− | −3.3661 (0.000) | I (0), Stationary | |
| Y−, X− | −2.5256 (0.002) | I (0), Stationary | |
| Y−, X+ | −2.5917 (0.001) | I (0), Stationary | |
| Next Eleven | Y+, X+ | −1.9333 (0.081) | I (0), Stationary |
| Y+, X− | −1.7222 (0.301) | I (0), Stationary at 10% | |
| Y−, X− | −2.0643 (0.021) | I (0), Stationary | |
| Y−, X+ | −2.0375 (0.026) | I (0), Stationary | |
| World sample | Y+, X+ | −2.3252 (0.000) | I (0), Stationary |
| Y+, X− | −2.6464 (0.000) | I (0), Stationary | |
| Y−, X− | −2.6051 (0.000) | I (0), Stationary | |
| Y−, X+ | −2.4566 (0.000) | I (0), Stationary | |
The result of Dumitrescu and Hurlin’s (2012) panel causality test_
| Null hypothesis | W-stat | Z-bar | P-value | Lag | |
|---|---|---|---|---|---|
| Arab League | Real GDP per capita does not Granger-cause energy use | 3.50237 | 5.13479 | 3.E−07 | 1 |
| Energy use does not Granger-cause real GDP per capita | 1.88856 | 1.73847 | 0.0821 | 1 | |
| Asia-Pacific region | Real GDP per capita does not Granger-cause energy use | 2.58086 | 0.74883 | 0.4540 | 2 |
| Energy use does not Granger-cause real GDP per capita | 5.58611 | 5.82965 | 6.E−09 | 2 | |
| Big Four in Western Europe | Real GDP per capita does not Granger-cause energy use | 3.36903 | 2.92718 | 0.0034* | 1 |
| Energy use does not Granger-cause real GDP per capita | 1.34434 | 0.35767 | 0.7206 | 1 | |
| BRICS | Real GDP per capita does not Granger-cause energy use | 0.83674 | −0.24812 | 0.8040 | 1 |
| Energy use does not Granger-cause real GDP per capita | 2.77734 | 1.88470 | 0.0595 | 1 | |
| ECO | Real GDP per capita does not Granger-cause energy use | 16.2136 | 16.6519 | 0.0000* | 1 |
| Energy use does not Granger-cause real GDP per capita | 2.49738 | 1.57701 | 0.1148 | 1 | |
| Group of Seven | Real GDP per capita does not Granger-cause energy use | 10.4306 | 15.7275 | 0.0000* | 1 |
| Energy use does not Granger-cause real GDP per capita | 2.98822 | 3.23298 | 0.0012* | 1 | |
| Next Eleven | Real GDP per capita does not Granger-cause energy use | 4.69690 | 7.64871 | 2.E−14 | 1 |
| Energy use does not Granger-cause real GDP per capita | 5.20540 | 8.71888 | 0.0000* | 1 | |
| SAARC | Real GDP per capita does not Granger-cause energy use | 1.02665 | −0.05086 | 0.9594 | 1 |
| Energy use does not Granger-cause real GDP per capita | 9.77719 | 12.3651 | 0.0000* | 1 | |
| World sample | Real GDP per capita does not Granger-cause energy use | 5.74984 | 26.7688 | 0.0000* | 1 |
| Energy use does not Granger-cause real GDP per capita | 2.23745 | 6.70996 | 2.E−11 | 1 |
Panel co-integration test (Westerlund’s test 2007)_
| Statistics | Model with intercept | Model with trend | |||||
|---|---|---|---|---|---|---|---|
| Value | Z-value | P-value | Value | Z-value | P-value | ||
| BRICS | Gt | −4.369 | −4.997 | 0.000 | −4.010 | −3.504 | 0.000 |
| Ga | −23.489 | −5. 201 | 0.000 | −24.688 | −3.229 | 0.001 | |
| Pt | −6.332 | −3.847 | 0.000 | −5.953 | −2.623 | 0.004 | |
| Pa | −22.190 | −7.007 | 0.000 | −22.953 | −3.961 | 0.000 | |
| Next Eleven | Gt | −1.728 | 0.183 | 0.573 | −2.421 | −0.222 | 0.412 |
| Ga | −4.998 | 1.307 | 0.904 | −7.746 | 2.081 | 0.981 | |
| Pt | −0.595 | 4.231 | 1.000 | −4.915 | 2.391 | 0.992 | |
| Pa | −0.242 | 2.980 | 0.999 | −2.942 | 3.241 | 0.999 | |
| ECO | Gt | −0.243 | 2.959 | 0.999 | −2.033 | 0.710 | 0.761 |
| Ga | −1.599 | 1.764 | 0.961 | −3.251 | 2.231 | 0.987 | |
| Pt | 0.770 | 3.297 | 1.000 | −1.724 | 2.213 | 0.987 | |
| Pa | 0.587 | 1.879 | 0.970 | −2.306 | 1.872 | 0.969 | |
| Big Four in Western Europe | Gt | −2.295 | −1.152 | 0.125 | −2.696 | −0.812 | 0.208 |
| Ga | −12.127 | −1.832 | 0.034 | −11.706 | 0.090 | 0.536 | |
| Pt | 0.697 | 3.613 | 1.000 | −3.092 | 1.295 | 0.902 | |
| Pa | 0.828 | 2.279 | 0.989 | −3.719 | 1.701 | 0.956 | |
| Asia-Pacific region | Gt | −2.365 | −2.530 | 0.006 | −2.421 | −0.261 | 0.397 |
| Ga | −12.430 | −3.762 | 0.000 | −13.242 | −0.701 | 0.242 | |
| Pt | −9.287 | −3.702 | 0.000 | −8.028 | 0.176 | 0.570 | |
| Pa | −11.345 | −6.207 | 0.000 | −11.655 | −1.720 | 0.043 | |
| Group of Seven | Gt | −2.633 | −2.520 | 0.006 | −2.831 | −1.513 | 0.065 |
| Ga | −13.333 | −3.009 | 0.001 | −12.795 | −0.305 | 0.380 | |
| Pt | −2.293 | 1.546 | 0.939 | −3.871 | 1.964 | 0.975 | |
| Pa | −3.147 | 0.646 | 0.741 | −4.877 | 1.750 | 0.960 | |
| Arab League | Gt | −1.629 | 0.548 | 0.708 | −1.777 | 2.405 | 0.992 |
| Ga | −100.936 | −57.145 | 0.000 | −67.851 | −27.235 | 0.000 | |
| Pt | −2.223 | 2.593 | 0.995 | −1.630 | 6.147 | 1.000 | |
| Pa | −1.901 | 1.740 | 0.959 | −1.806 | 3.855 | 1.000 | |
| SAARC region | Gt | −2.532 | −1.877 | 0.030 | −2.579 | −0.584 | 0.280 |
| Ga | −14.997 | −3.226 | 0.001 | −13.943 | −0.635 | 0.263 | |
| Pt | −5.671 | −2.448 | 0.007 | −4.531 | 0.220 | 0.587 | |
| Pa | −15.506 | −5.679 | 0.000 | −14.606 | −2.069 | 0.019 | |
| World sample | Gt | −2.715 | −1.807 | 0.035 | −2.331 | 0.077 | 0.530 |
| Ga | −9.223 | −0.662 | 0.254 | −9.136 | 0.733 | 0.768 | |
| Pt | −2.751 | −0.245 | 0.403 | −2.054 | 1.835 | 0.967 | |
| Pa | −2.694 | 0.599 | 0.726 | −4.068 | 1.374 | 0.915 | |
Groupwise list of selected countries for the study_
| Group | Countries | Number of countries |
|---|---|---|
| BRICS | China, India, Brazil | 3 |
| Next Eleven | Indonesia, Pakistan, Bangladesh, Philippines, Vietnam, Egypt, Iran, Turkey, Republic of Korea, Nigeria, Mexico | 11 |
| Economic Cooperation Organization | Pakistan, Iran, Turkey | 3 |
| Big Four in Western Europe | Germany, France, Italy, United Kingdom | 4 |
| Asia-Pacific region | China, India, Indonesia, Pakistan, Bangladesh, Japan, Philippine, Thailand, Myanmar, Malaysia, Nepal, Argentina, Australia, Austria | 15 |
| Group of Seven | Japan, Canada, Germany, France, United States, Italy, United Kingdom | 7 |
| Arab League | Algeria, Egypt, Saudi Arabia, Sudan, Oman, Morocco, Jordan, Iraq, United Arab Emirates, Syria, Tunisia, | 11 |
| SAARC | India, Pakistan, Bangladesh, Nepal, Sri-Lanka | 5 |
| World sample | United Arab Emirates, Argentina, Australia, Austria, Belgium, Benin, Bangladesh, Bolivia, Brazil, Canada, Switzerland, Chile, China, Cote d’Ivoire, Cameroon, Democratic Republic of Congo, Republic of Colombia, Costa Rica, Cuba, Cyprus, Germany, Denmark, Dominican Republic, Algeria, Ecuador, Arab Republic of Egypt, Spain, Finland, France, Gabon, United Kingdom, Ghana, Greece, Guatemala, Hong Kong SAR, China, Honduras, Haiti, India, Ireland, Islamic Republic of Iran, Iraq, Iceland, Israel, Italy, Jamaica, Jordan, Japan, Kenya, Republic of Korea, Sri Lanka, Luxembourg, Morocco, Mexico, Malta, Myanmar, Malaysia, Nigeria, Nicaragua, Netherlands, Norway, Nepal, New Zealand, Oman, Pakistan, Panama, Peru, Philippines, Portugal, Paraguay, Saudi Arabia, Sudan, Senegal, Singapore, El Salvador, Sweden, Thailand, Tunisia, Turkey, Uruguay, United States, Zambia. | 85 |