In this study, the calculation of optimal tax rates of energy carriers of urban households is the main objective of the research. To calculate optimal tax rates Ramsey rule in the multiplayer world and Samuelson-Bergson social welfare function is used. In calculating the optimal tax rates to the elasticity of energy prices is considered necessary. This elasticity is derived from the results of an almost ideal system demand estimation. Estimating the demand system based on the data of urban households in Iran for the period from 1383 to 1399 in ten decades, has been done using panel data. The results of the research reveal that when the rate of social inequality is equal to zero, the aspect of the tax efficiency is considered, in which case all energy carriers will be subject to tax. In urban households, gas and oil tax rates are close, but the tax rate on electricity is lower than other energy carriers.

Keywords: Optimal Rate of Taxation on Energy, Ramsey Rule, Almost Ideal Demand System, Lagrange Method, Rate of Inequality Aversion, Panel Dat

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