شدت انرژي: عوامل تاثيرگذار و تخمين يك تابع پيشنهادي

Energy Intensity: Causes & Estimating a Proposal Function

Energy intensity index, at micro level is used commonly to show efficiency of production systems, as well as, at macro level to show countryʹs energy efficiency. However, this index is affected by several opposite causes that make comparative analysis too hard. This paper besides introducing most energy intensity causes, based on OLS method estimates a multivariable model to analyze each causeʹs effect. Results show that the size of service sector (representing structural change) has significant effect on reducing energy intensity. Square of countries, consistent with theory, has positive significant effect and a size of one forth of service sector effect. Estimating of elasticity effects shows that one percent change (rising) of service sector size, cause one half percent change (declining) of energy intensity. Squareʹs elasticity coefficient also consists with theoryʹs expectation and has shown significant effect.