In this paper we compare the orthodox optimal tariff formula with the appropriate welfare-maximizing tariff when there are a few producing or importing firms. The welfare-maximizing tariff can be very low, voire negative in some cases, while in others it can even exceed the maximum-revenue...

Production and marketing lags in agri-food supply chains often force agricultural producers and food processors to commit to output targets before prices and exchange rates are realized. A theoretical model illustrates how the processor's degree of risk aversion and domestic sales may cause the...

This paper shows that a Tariff-Rate-Quota's (TRQ) minimum access expansion can perversely trigger domestic price increases. Often, TRQs have prohibitive over-quota tariffs to mimic import quotas in providing minimum market access. In the WTO's Doha Round, it is likely that countries using TRQs...

We develop a model with one innovating northern firm and heterogeneous southern firms that compete in a final product market. We assume southern firms differ in their ability to adapt technology and study southern incentives to protect intellectual property rights. We find that, in a...