Which law states that it is more beneficial for producers to specialize in one thing and trade for others?

The Law of Comparative Advantage is fundamental in economics and states that countries, or producers, will benefit by specializing in the production of goods in which they have a lower opportunity cost and then trading these goods with others. This concept illustrates that even if one producer is less efficient in the production of all goods compared to another, they can still benefit by focusing on what they produce most efficiently relative to others.

When producers or nations concentrate on what they do best and trade for the rest, the overall efficiency and productivity in the economy improve, leading to a greater total output and mutual benefits. This principle emphasizes that specialization allows for more effective allocation of resources, which in turn can enhance overall economic welfare through trade.

In contrast, the other options do not specifically address the concept of specialization and trade. The notion of surplus refers to a situation where the quantity supplied exceeds the quantity demanded, equilibrium price is where the quantity supplied equals the quantity demanded in a market, and shortage occurs when the quantity demanded surpasses the quantity supplied. These concepts all relate to market dynamics but do not capture the essence of specialization and trading advantages outlined by the Law of Comparative Advantage.