Imports, along with exports, form the basis of international trade. Import of goods normally requires involvement of the Customs authorities in both the country of import and the country of export and are often subject to import quotas, tariffs and trade agreements. when the "imports" are the set of goods and services imported, "Imports" also means the economic value of all goods and services that are imported. The macroeconomic variable I usually stands for the value of these imports over a given period of time.A country has demand for an import when domestic quantity demanded exceeds domestic quantity supplied, or when the price of the good (or service) on the world market is less than the price on the domestic market.