A society's institutional mechanism for determining the way in which scarce resources are used to satisfy human desires refers to its A. macroeconomics. B. economy. C. economic infrastructure. D. economic system.

D. economic system.

Explanation:

An economic system is the way governments organize, regulate and distribute their physical resources, services, and goods in a region or country. They can be based on traditions, organized according to command, where the central organization is the market and mixed systems that combine elements of the traditional command or market systems.

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