Nguyen Hoang Minh – 10I1 b) i) - Preferential trade areas give preferential access to certain products from the participating countries. - Preferential trade areas do not remove tariffs completely. ii) - Free trade areas maintain no protectionist barriers to international trade. - Free trade areas promote the international division of labour, as well as an increase in access to lower cost foreign products. iii) - Customs unions are trade blocs where there is free trade between member countries and an external tariff on nonmember’s imports. - The countries share the tariff revenues and co-ordinate some trading policies. iv) - Common markets are similar to customs unions, in that they remove barriers regarding imports and/or exports - Common markets differ from customs unions in that the factors of production (labour, capital) can move freely within member countries. v) - Economic unions are trade blocs where there is free trade between countries, a common external tariff and some common policies, which may include a common currency (e.g. Euro). - Economic unions not only remove restrictions on goods and services, but also on labour and capital. vi) - In a monetary union, all countries use the same currency. - Monetary unions can be a feature of any of the types of trading bloc mentioned above.