An increase in efficiency means that an economy has:

A) reduced its opportunity costs.
B) increased the equity of its distribution of goods and services.
C) made more people better off without making others worse off.
D) increased the incentives for its citizens to follow their own self-interest.

Efficiency

The extent to which resources are used in the most productive way possible to achieve maximum output or outcomes.

Opportunity Costs

The cost of an alternative that must be forgone in order to pursue a certain action or the benefits you miss out on when choosing one alternative over another.

Economic Welfare

The overall health and well-being of an economy, often measured by standards of living, availability of goods and services, and income distribution.