Although average tariffs in Quad markets are very low, tariff peaks and tariff escalation have a disproportional effect on exports from least developed countries (LDCs). Tariff peak products tend to be heavily concentrated in agriculture and food products and in labour-intensive sectors such as...

High levels of protection and domestic support for farmers in developed countries significantly affect many least developed countries (LDCs), both directly and through the price-depressing effect of agricultural support policies. High tariffs and domestic support may also lower the world price...