Biashara ya kimataifa huleta faida kubwa sana kutokana na faida halisi kubwa zinazotokana nayo. Kinachoongeza imani ya mtu kuhusu umuhimu wa biashara ya kimataifa ni mapambano makali na ushindani mkali kati ya mataifa makubwa kuhusu kupata masoko mapya na kulinda masoko ya zamani, ambayo bidhaa zao zinauzwa, na ambayo huagiza malighafi bila vikwazo. Biashara ya kimataifa ina sifa nyingi tofauti, faida na matokeo. Sababu kuu ya kuanzishwa kwa biashara ya kimataifa ni tofauti ya gharama za kulinganisha za bidhaa kati ya nchi moja na nyingine. Hivyo basi, itakuwa kwa manufaa ya nchi zote kuanzisha biashara ya kimataifa kati yao pindi gharama za kulinganisha zinapotofautiana katika kila nchi.

International trade yields a tremendous benefit due to the high real profits which are generated from it. What adds to a person’s conviction about the importance of international trade is the ferocious fighting and fierce competition between the superpowers over the acquisition of new markets and the protection of old markets, to which their merchandise is disposed of, and from which they import raw materials without obstacle. International trade has a host of distinguishing features, merits and outcomes. The main reason behind the establishment of international trade is the disparity in the proportional costs of commodities between one country and another. It would therefore be in the interest of all countries to establish international trade between them once the proportional costs differed in each country.