From: Economic growth, energy consumption and environmental degradation nexus in heterogeneous countries: does education matter?
Min
Mean
Max
High-income
− 43.386
− 66.911
− 85.051
Upper-middle-income
− 12.557
− 19.230
− 24.059
Lower-middle income
0.454
17.283
26.401
Low-income
9.339
40.408
74.667