Table 1
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 |
[i] BRICS – Brazil, Russia, India, China, and South Africa; ECO – Economic Cooperation Organization; SAARC – South Asian Association for Regional Cooperation; GDPG – GDP growth ; Obs – Observations.
[ii] Source: own elaboration.
Table 2
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 |
[i] Notes: Under the null hypothesis of cross-sectional independence, CD ~ N (0, 1) P-values close to zero indicate data are correlated across panel groups.
[ii] CD – cross-sectional dependence.
[iii] Source: own elaboration.
Table 3
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 |
[i] Notes: H0 (homogeneous non-stationary): bi = 0 for all i.
[ii] Source: own elaboration.
Table 4
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 | |
[i] BRICS – Brazil, Russia, India, China, and South Africa; ECO – Economic Cooperation Organization; SAARC – South Asian Association for Regional Cooperation.
[ii] Source: own elaboration.
Table 5
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 | |
[i] ECO – Economic Cooperation Organization.
[ii] Source: own elaboration.
Table 6
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 H0 = PMG H1 = MG | 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 |
[i] Notes: The P-values are given [* at 1%, ** at 5%].
[ii] ARDL – autoregressive distributed lag; BRICS – Brazil, Russia, India, China, and South Africa; PMG – Pooled Mean Group; SAARC – South Asian Association for Regional Cooperation; ECT – error correction term.
[iii] Source: own elaboration.
| Variables | Arab League | Asia-Pacific region | Big Four in Western Europe | ECO | ||||
|---|---|---|---|---|---|---|---|---|
| ΔY+ | ΔY− | ΔY+ | ΔY− | ΔY+ | ΔY− | ΔY+ | ΔY− | |
| ECT | −0.585* (0.000) | −0.409* (0.000) | −0.520* (0.000) | −0.455* (0.000) | −0.415* (0.000) | −0.577* (0.000) | −0.260** (0.033) | −0.598 (0.000) |
| −0.0080* (0.000) | 0.0047* (0.001) | −0.0114 (0.000) | 0.014* (0.000) | −0.005** (0.030) | −0.002* (0.992) | 0.069 (0.009) | −0.025 (0.012) | |
| 0.003** (0.011) | 0.0054* (0.002) | 0.0242* (0.000) | −0.028* (0.000) | 0.025* (0.000) | −0.011* (0.000) | 0.220* (0.001) | −0.065 (0.000) | |
| 0.0011 (0.267) | −0.0006 (0.974) | −0.046** (0.052) | 0.045** (0.045) | 0.001 (0.914) | −0.007 (0.393) | 0.036 (0.061) | −0.021 (0.078) | |
| 0.952 (0.267) | 0.051 (0.242) | 0.006 (0.874) | 0.001 (0.974) | 0.0019 (0.595) | 0.028 (0.929) | 0.018 (0.490) | 0.002 (0.894) | |
| 0.005 (0.703) | −0.006 (0.686) | −0.018 (0.146) | 0.018 (0.084) | 0.004 (0.318) | −0.002 (0.456) | 0.023 (0.166) | −0.020 (0.217) | |
| −0.103 (0.290) | 0.105 (0.269) | 0.060 (0.619) | −0.038 (0.689) | −0.002 (0.579) | 0.004 (0.238) | −0.012 (0.445) | 0.013 (0.424) | |
| Constant | 2.328* (0.005) | −6.688 (0.229) | −0.296 (0.862) | −3.550** (0.013) | −1.984 (0.173) | −1.281 (0.368) | 3.920 (0.725) | −2.563 (0.783) |
| Hausman (χ2) H0 = PMG H1 = MG | 3.17 (0.2054) | 1.55 (0.461) | 3.56 (0.613) | 2.32 (0.192) | ||||
| Wald test (long-run asymmetry) | 3.320** (0.0367) | 5.69* (0.002) | 5.61** (0.020) | 7.76* (0.005) | ||||
| Wald test (short-run asymmetry) | 0.031 (0.142) | 0.29 (0.370) | 0.91 (0.213) | 0.12 (0.730) | ||||
| Log likelihood | −1176.886 | −1072.3 | −193.7512 | −258.049 | ||||
[i] Notes: P values are given in [], where eu is energy use; *1%; **5%; ARDL – autoregressive distributed lag; ECO – Economic Cooperation Organization; ECT – error correction term.
| 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) H0 = PMG H1 = MG | 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 | |||
[i] P values are given in (), where eu is energy use; *1%; **5%.
[ii] Source: own elaboration.
Table 8
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 |
[i] Notes: We computed the probability values using large iterative bootstrap identifications; W-Stat statistic presents the averages from cross-sections of N standard individual Wald statistics of Granger non-causality tests. The Z-bar statistic is a standardised statistic.
[ii] BRICS – Brazil, Russia, India, China, and South Africa; ECO – Economic Cooperation Organization; SAARC – South Asian Association for Regional Cooperation.
[iii] Source: own elaboration.
Table A1
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 |
[i] BRICS – Brazil, Russia, India, China, and South Africa; SAARC – South Asian Association for Regional Cooperation.
[ii] Source: own elaboration.