Comparative Advantage
Comparative-Advantage is a foundational principle in Economics that explains how trade can benefit all parties involved, provided they specialize in producing goods for which they have the lowest Opportunity-Cost. While Absolute-Advantage refers to the ability to produce more of a good using the same amount of resources, Comparative-Advantage focuses on the relative efficiency of production. This concept was pioneered by David-Ricardo in his seminal work, On-the-Principles-of-Political-Economy-and-Taxation, published in 1817.
The theory suggests that even if a country is less efficient at producing all goods than another country, it can still benefit from International-Trade by focusing on the industry where its disadvantage is least pronounced. This leads to Specialization, which increases total global production and allows for higher levels of consumption via Free-Trade. Modern Globalization is largely built upon the logic of this theory, as it encourages nations to integrate into the Global-Economy based on their unique resource endowments and labor efficiencies. Detailed explanations of these dynamics can be found through resources at the International Monetary Fund and Britannica.