While quotas can be expressed in tariff-equivalent terms and have identical economic effects under some conditions, they do not share the same welfare implications with tariffs in the presence of a piecemeal reform (second-best). In this paper we show that this non-welfare equivalence persists...

With the help of a simple model of production and trade, we examine the differential impact of tariff escalation on skilled and unskilled wages in an economy. Our findings provide a lobbying-based explanation of the prevalence of tariff escalation in developed countries. It also predicts the...