Table 2. Cross country energy intensity inequality according to the Theil
index and multiplicative factorial decomposition.
|
Energy |
Transformation |
Final use |
Interaction | |
|
1971 |
0.1281 |
0.0087 |
0.1339 |
-0.0145 |
|
(6.8%) |
(104.5%) |
(-11.3%) | ||
|
1975 |
0.1270 |
0.0055 |
0.1323 |
-0.0108 |
|
(4.4%) |
(104.2%) |
(-8.5%) | ||
|
1980 |
0.1140 |
0.0051 |
0.1217 |
-0.0127 |
|
(4.4%) |
(106.8%) |
(-11.2%) | ||
|
1985 |
0.0935 |
0.0054 |
0.0997 |
-0.0116 |
|
(5.8%) |
(106.7%) |
(-12.4%) | ||
|
1990 |
0.1051 |
0.0041 |
0.1105 |
-0.0095 |
|
(3.9%) |
(105.2%) |
(-9.0%) | ||
|
1995 |
0.0874 |
0.0049 |
0.0899 |
-0.0074 |
|
(5.6%) |
(102.8%) |
(-8.4%) | ||
|
2000 |
0.0692 |
0.0044 |
0.0681 |
-0.0033 |
|
(6.3%) |
(98.5%) |
(-4.8%) | ||
|
2006 |
0.0599 |
0.0047 |
0.0579 |
-0.0028 |
|
(7.9%) |
(96.8%) |
(-4.7%) |
Source: Authors’ own calculations based on the IEA (2009a, 2009b). Percentages with respect
to global inequality are in parentheses.
The results reveal a clear reduction in cross country primary energy intensity
inequality. This is in line with findings from previous studies (Duro and Padilla,
2006; or for the specific case of the OECD countries: Sun, 2002; Alcantara and
Duro, 2004; Duro et al., 2010). For the period of analysis, a more than fifty per
cent decline in energy intensity differences is observed. According to IEA data,
global primary energy intensity level decreases by 25.5% over this period.
Therefore, the reduction of energy intensity inequality means convergence to
lower values.
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