Sales of a goods in the foreign market at a lower cost than the final cost of producing that goods in the country of the supplier in order to obtain a relative authority in competition with other suppliers of the same goods in international exchanges, at a lower price than the price of the domestic market, are also commonly (dose). This is done for the following reasons: 1) expel foreign competitors and obtain market monopolies. A temporary reduction of the surplus. Gain a share of the commodity market. Reduce loss of commodity losses that are not competitive and selling.