Comparative advantage is the economic principle that an individual, firm, or nation faces a unique set of advantages and disadvantages relative to others in its production of particular goods and ...

David Ricardo, a Scottish economist, made a perceptive observation that a few individuals, firms, or countries can gain from trading, even if one of them is objectively the best in all activities.

Martin Richardson does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...