Explanatory factors of CO2 per capita emission inequality in the european union

Emilio Padilla ^[1] ; Juan Antonio Duro ^[2]
1. [1] Universitat Autònoma de Barcelona
  
  Universitat Autònoma de Barcelona
  
  Barcelona, España
2. [2] Universitat Rovira i Virgili
  
  Universitat Rovira i Virgili
  
  Tarragona, España
Localización: Working papers (Universitat Autònoma de Barcelona. Departament d'Economia Aplicada), Nº. 7, 2011
Idioma: inglés
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Resumen
- The design of European mitigation policies requires a detailed examination of the factors explaining the unequal emissions in the different countries. This research analyzes the evolution of inequality in CO2 per capita emissions in the European Union (EU-27) in the 1990–2006 period and its explanatory factors. For this purpose, we decompose the Theil index of inequality into the contributions of the different Kaya factors. The decomposition is also applied to the inequality between and within groups of countries (North Europe, South Europe, and East Europe). The analysis shows an important reduction in inequality, to a large extent due to the smaller differences between groups and because of the lower contribution of the energy intensity factor. The importance of the GDP per capita factor increases and becomes the main explanatory factor. However, within the different groups of countries the carbonization index appears to be the most relevant factor in explaining inequalities.