自由贸易和保护贸易的理论分析

实施何种贸易政策的判断标准通常是本国的国民收入或国民福利 ,最优关税理论的落脚点也在这里 ;在国际竞争日趋激烈的今天 ,发达国家和发展中国家进行战略性的政策干预就是要把市场竞争处理成一场竞赛或博弈 ,但这一对抗并不能说明保护主义就对世界经济更为有利 ,它只是在短时期内可能对某些国家的国民福利带来有限的好处 ,从长远看 ,对国际贸易进行干预往往给干预国带来极其高昂的社会经济成本 ;中国加入WTO ,也是对自由贸易理论的一种认同。

The Analysis of Advantages and Disadvantages of Free Trade and Trade Protection

The paper points out that the trade policy carried out in one country depends on both the national income and national welfare. Traditional trade theory believes that the complete competition is the best interpretation of the normal international market. The strategic interfering policy makes the market competition a battle. However, protectionism does no good to world economy as a whole, though protectionism might bring some limited benefits to the welfare of some countries, for it brings high cost to country's social economy.