中文摘要：

研究语言成本对国际贸易的影响有非常重要的理论和现实意义。语言是一种交易成本并由小国来承担。通过相关实证检验可得出：我国出口贸易额与语言学习的人力资源投入和资本投入正相关,和人力资源投入比例呈先递减后递增的U形关系,正式约束中的政治、经济和法律制度安排对我国出口贸易有引力作用,语言的国际推广能降低交易成本促进国际贸易发展。此研究是对现有国际贸易理论的进一步完善和发展,对出口商的出口贸易区位选择有一定指导意义。

英文摘要：

It has very important theoretical and practical significance to study the effect of language cost on international trade. Language is a kind of transaction cost and borne by small country. Through relative empirical test,the conclusion is drawn as follows. China＇s export trade volume has positive correlation with human resource input and capital input of language learning, and has the U-shaped relationship with the human resources investment proportion, formal constraints in the political, economic and legal system arrangement are gravitational effects on China＇s export trade, language international promotion can reduce transaction cost and promote the development of international trade. This study is to furtherly improve and develop the theory of international trade, and has certain guiding significance in export trade location choice for exporters.