The great colonial movement of Greece during BC 8 to 6 resolved the problem of populations overspill,simultaneously exploited overseas markets,and incited the commercial trade of Greece.

The characteristics of the commercial trade in the period of the Five Dynasties and Ten States were followed: The trade among the domestic various regions was quite prosperous, but the trade between national minorities had decreased a lot; the trade on land reduced, while the marine trade had some development; the trade by the national management made great progress, and so on.

The political, economic and cultural exchanges between Mongolia areas and central plains areas became closer and closer, which gave impetus to the rising of the local commercial cities and developing of the commercial trade.

The Soviet Party and government took a series of effective measures in agriculture,industry and commerce to strengthen the Soviet Area s economic construction completely.

However, commerce between Russia and Kashgar achieved no headway because of Yakub-beg s countermeasures, low purchasing power of local people and import of great quantities of British commodities.

Analysis on co-integration and causality relationship between foreign trade and economic growth of Heilongjiang province;

The impact of "green barrier" on Chinese foreign trade and countermeasures;

Influences and countermeasures of TBT on Chinese foreign trade;

Study on the relationship between foreign-investment enterprises external trade and economic growth of China;

An Empirical Study on The Relationship between External Trade and Economic Growth in China;

After detailed study, the result showed that the external trade and economic growth did have a long positive balance relationship and there was uni-direction causality between them; the function of export trade was bigger than that of import trade.