This page covers the theory of comparative advantage, biographical details and theories of the 19th century economist David Ricardo, and additional resources.

Principles of Macroeconomics 2e covers the scope and sequence of most introductory economics courses. The text includes many current examples, which are handled in a politically equitable way. The outcome is a balanced approach to the theory and application of economics concepts. The second edition has been thoroughly revised to increase clarity, update data and current event impacts, and incorporate the feedback from many reviewers and adopters. Changes made in Principles of Macroeconomics 2e are described in the preface and the transition guide to help instructors transition to the second edition. The first edition of Principles of Macroeconomics by OpenStax is available in web view here.

By the end of this section, you will be able to:

Define absolute advantage, comparative advantage, and opportunity costs
Explain the gains of trade created when a country specializes

This article from Hartford Web Publishing applies the concept of Comparative Advantage in today's world. Discussion of import and export explains how obstacles can be overcome.