Key Takeaways:

Comparative advantage encourages countries to specialize in goods they can produce at a lower opportunity cost and rely on trade for others. Differences in climate, land, infrastructure, and technology help determine where agricultural commodities can be produced most efficiently. Even when a country can efficiently produce a commodity domestically, trade may still make economic sense if those resources could generate greater value when devoted to another commodity. Comparative advantage can extend across industries, helping explain why some countries specialize more heavily in agriculture while others concentrate resources in manufacturing, energy, technology, or services. Comparative advantage helps shape global trade, but...