University of Isfahan International Economics Studies 2008-9643 35 2 2023 02 20 An Analysis of Welfare Effect of Traditional Tariff (Exogenous) and 49 60 15517 10.22108/ies.2023.15517 EN Golamhossein Fatemi Isfahan Journal Article 2016 06 14 Welfare effect of tariff for a small country in the case of traditional tariff (exogenous) compared to free trade would decrease the welfare of the country. This paper has shown that the welfare effect of tariff in case of untraditional tariff (endogenous) can be explained by using the specific factors models (Jones) that fundamentally determined by Cournut- Nash Equilibrium system in contrary to traditional case. A monotonic increase in tariff rate would not decrease welfare of the country and it is not vigorously opposed to free trade. JEL Classification: F13, I30, I38. https://ies.ui.ac.ir/article_15517_ffec836ee8f30e6c9bf6d1bd1e73dddd.pdf