Analyzed changes in the energy intensity of Iran economic activity with the structural decomposition approach

Subject Areas : Applied Economics

مریم رشیدی زاده ¹ ( مسئول مکاتبات )
اسفندیار جهانگرد ² ( ندازد )

Received: 2011-10-19 Accepted : 2011-11-24 Published : 2011-09-23

Keywords: Energy Intensity Decomposition, Intensity Effect, Structure Effect, Input Output Table, Structural Decomposition,

Abstract :

Considering the energy consumption saving in Iran, detecting the effective factors on energy intensity changes in Iran’s economy is crucial. The main goal of this study to break into parts the energy intensity change with the approach of SDA (structural data analysis) method in economic activities in Iran. The energy intensity divided into five factors including energy consumption coefficient, technology coefficient, final demand structure, final demand level, and final energy consumption coefficient. Energy consumption coefficient indicates the intensity changes and final demand structure shows the structural changes. Structural decomposition in each section is defining the share of each sub sections in total production. For this purpose the input-output data generated by Iran census organization for the period 1365-1380 is used. Results showed that from all five factors mentioned above energy consumption coefficient has the most contribution in the energy intensity changes. Also, in more industries, intensity is more effective than structure, and in most cases the intensity’s effect is increasing the energy intensity.