An analysis of the impact of energy consumption on value added in Iranian economy can be of great importance. Accordingly, the purpose of the present study was to evaluate the effects of oil, coal, and gas consumption on value added in Iranian economy using the Vector Auto Regressive (VAR) Model and impulse response functions. The results of this study suggested that oil consumption with a lag has a significant and negative effect on the value added. Besides, other variables (gas and coal consumption) do not have a significant effect on value added in Iranian economy. Finally, it was noted that the impulses exerted by value added have a significant effect on oil, gas, and coal consumption and shocks generated by the amount of energy consumption (oil and gas consumption) affects value added

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