Free tred is a policy follaed bi some internaitional mercats in which kintras' govrenments dinna restrict imports frae, or exports tae, ither kintras. Free trade is exemplified bi the European Economic Aurie an the Mercosur, which hae established open mercats. Maist naitions are the day members o the Warld Tred Organisation (WTO) multilateral trade agreements. Houever, maist govrenments still impose some pertectionist policies that are intendit tae support local employment, such as applyin tariffs tae imports or subsidies tae exports. Govrenments mey an aa restrict free trade tae leemit exports o naitural resources. Ither barriers that mey hinder trade include import quotas, taxes, an non-tariff barriers, such as regulatory legislation.