比较优势理论由来己久，经过诸多经济学家的演变和发展，目前己经逐渐形成较

Comparative advantage theory has a long history. After many economists have evolved and developed, it has gradually formed a relatively complete system. At present, it can be divided into the following three categories of unfolding descriptions. <br>(1) Endogenous comparative advantage theory <br>Endogenous comparative advantage theory mainly refers to the process that can be acquired through acquired learning, mainly due to its endogenous and dynamic nature. <br>The absolute comparative advantage theory expounded by Adam Smith in 1776 not only marked the beginning of the endogenous comparative advantage theory, but also opened up a precedent for the theory

The theory of comparative advantage has been around for a long time, and after the evolution and development of many economists, it has gradually formed a more complete system. At present, it can be divided into the following three categories of expanded description.<br> (1) Endogenous comparative advantage theory<br> The theory of endogenous comparative advantage mainly refers to the process that can be obtained through acquired learning, mainly in its endogenous and dynamic.<br> Adam Smith's theory of absolute comparative advantage, expounded in 1776, not only marked the beginning of the theory of endogenous comparative advantage, but also opened up the first of the theory.

The theory of comparative advantage has a long history. After the evolution and development of many economists, it has gradually formed a relatively complete system. At present, it can be divided into the following three categories.<br>(1) Endogenous comparative advantage theory<br>The theory of endogenous comparative advantage mainly refers to the process that can be acquired through acquired learning, which is mainly endogenous and dynamic.<br>Adam Smith's theory of absolute comparative advantage in 1776 not only marked the beginning of endogenous comparative advantage theory, but also opened up a new era of this theory