ism the use of government regulations to limit the import of goods and services ??? ??? ??? Tariff Is atrade barrier in the formof a customs duty, or tax, levied mainly on imports ??? ??? ??? Import Quota is a trade barrier in the form of a limit on the numbers of a product that can be imported ??? ??? ??? Dumping The pratice of a foreign company's exporting products abroad at a lower price than t