同学，是用英语写，还是用汉语呢？这篇材料主要是说明国际贸易产生的原因，但是说实在的，这个原因应该算是赫克希尔-俄林的要素禀赋理论的简略版吧，就是太通俗易懂不是理论层面的东西吧，你想要根据材料给的扩展一下呢，还是希望我帮你，从理论的角度分析一下呢？ What is international trade ? the general meaning is : buying and selling among countries，including import trade and export trade in today’s world ， no nation exists in economic isolation the high degree of economic coorparation reflects the historical evolution of world’s economic and political order then what are the force driving globalization ? the fist and perhaps most profound influnce is technological change : advances in transport technology have continued to bring people and enterprise closer together ， the boundary of tradable goods and services has been greatly extended also continuing liberalization of trade and investment has made for an ever more unencumbered policy environment for economic relations among last but not least one : lower trade barriers and financial liberalization have allowed more and more companies to globalize production structures through investment abroad ，which in turn has provided a future stimulus to trade as the by adam smith said : the Exchange promote the division of labor， and vice And the division of labour lead to the exchange between then why world economic become more and more interdependence according to factor-endowment theory and comparative difference ， there are two factors : labor and capital In defferent country ， they have different endowments of factors so the relative commodities require different intensities of the factor in their production in this situation the price of relative commodity is different ， the country will export the commodity for which a large amount of relatively abundant inputs is used ， and this commodity will be more commpative in the world trade trade and the distribution of income between the different nations : both partner gain from trade if countries specialize in what they are comparatively best at production ，they must import goods and service that other countries produce best for example brazilians supply coffee and americans supply wheat the large production will make it possilble for brazilian to gain by using revenues from their wheat sales to purchase american wheat at the same time american will gain by doing the opposite ，by using the revenues from their wheat sales to purchase brazilian The american have comparative advantage in wheat prodution and brazilians have comparative advantage in coffee prodution 同学，看看吧。应该可以了吧
