Study of factors affecting carbon dioxide emission in the country (With refined Laspeyres decomposition analytic method)

Current efforts to stabilize and reduce greenhouse gas emission, particularly carbon dioxide to achieve sustainable development is not at an acceptable level and more effort is needed, thus, identifying factors affecting CO2 emission is essential for the assessment of policies and strategies. Scale of economic activity, change in composition of the economy, carbon intensity and energy intensity can be considered as the most important factors in all sectors, but with the differences in the impact of these factors in each of the sectors of the economy, Iran's economy is divided into four sectors as Home and business, Industry, transport and agriculture and in the period 1380-1391 was studied.
A study technique is "refined Laspeyres decomposition method".
Findings: The results indicate that in all sectors change in composition of the economy has caused the greatest impact on CO2 emission.
Discussion and the obtain result shown, Positive effect of scale of economic activity also shows that with the current method of industrialization of country and due to fossil fuel consumption, CO2 emission increase is inevitable. Also, during the study period due to the efforts of the authorities to increase energy efficiency and improve fuel quality impact of carbon intensity effect in all sectors except transportation is negative. However, Growth in energy consumption in the transport sector would enervate the positive effects of these policies. During the study period, the implementation of policy Gas rationing and subsidies are the most important causes of the erratic energy intensity effect in all sectors.