In this paper, we analyze the effects of oil revenue shocks on different sectors of Iranian economy using the quarterly data of the Iranian economy and a time varying parameter VAR model. Oil revenue is modeled to be an exogenous variable and the parameters are estimated in Bayesian context using Gibbs sampling. The results show that the value-added of industry and mining, and services increase after a positive oil revenue shock. The response of agriculture, and oil and gas sectors is not significant. The results also show that after the war, the response of industry and mining, and oil and gas sectors are higher, relatively.