wto measures affecting market access the last round of multilateral trade negotiations uruguay 1986 94 resulted in formation world organization and adoption agreement on agriculture aoa which subjects agricultural to stronger international disciplines though tariffs were bound maximum applicable levels reductions negotiated remain a major distorting feature their global average is ten times level industrial gibson et al 2001 tariff rates are highly uneven across both countries products with many having large proportion at low or duty free while maintaining peaks megatariffs often excess 100 percent import sensitive addition members have numerous other instruments disposal regulate flow imports most notable technical including sanitary phytosanitary sps restrictions these meas ures restrict protect country from introduction diseases pests that can threaten health plants animals humans member also limit for limited periods through number remedy
