One of the most crucial ideas in macroeconomics is understanding that:

One of the most crucial ideas in macroeconomics is understanding that: 




A. zero unemployment is the best way to achieve economic growth.

B. measuring total expenditures or total income both equal total production of an economy.

C. prolonging economic downturns can be prolonged by fiscal policy.

D. GNP is the most commonly used measurement of total production.





Answer: B


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