3 South east Asian countries have reduced tariffs between themselves through the ASEAN Free Trade Agreement. ASEAN member countries are also removing non-tariff methods of protection. The intention is to raise economic growth through more international trade. This should enable small and medium-sized rms in ASEAN countries to grow and increase their exports. (3) Define tariffs. [2] (b) Explain two non-tariff methods of protection. [4] (c) Analyse, using a production possibility curve (PPC) diagram, the beneficial effects for a country of the growth of its small and medium-sized firms. [6] (d) Discuss whether or not increased international trade can promote economic growth. [8]