国际经济法是关于国际经济关系的法律原则和规范。它最初是一些关于国际商业交易的简单规则,这些规则早在中世纪末期就已存在于欧洲主要的商业城市,如威尼斯。但是直到19世纪以前,世界各国尚未出现过成文的商事法典。在人类历史上的这一漫长时期,由于商人的行为系由习惯所规范,商人间的争端亦由其他商人以“法官”身份作出裁决;同时也由于交通和通讯设施均不发达,不同地区之间的价格差较小,以及各国所实行的外汇政策减少了商业交易的投机性,所以,国家便没有必要制定对商人具有 International Economic Law is the legal principle and norm concerning international economic relations. It was originally a few simple rules on international commercial transactions that existed in major European cities of commerce, such as Venice, as early as the Middle Ages. However, until the 19th century, no written commercial code appeared in any country in the world. In this long period of human history, as traders’ behavior is regulated by custom, disputes among traders are also ruled by “other judges” as “judges.” At the same time, due to the underdevelopment of transportation and communication facilities, The small price difference between the two countries and the foreign exchange policies practiced in various countries have reduced the speculative nature of commercial transactions. Therefore, there is no need for the state to formulate rules that give traders a