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Economics • Economic BasicsMedium

What does the 'Multiplier Effect' in macroeconomics measure?

A. The proportionate change in aggregate income resulting from an initial injection of autonomous spending.✓ Correct Answer
B. The rate at which prices multiply during periods of hyperinflation.
C. The ratio of total tax collections to total national income.
D. The expansion of money supply relative to commercial bank deposits.

💡 Solution & Explanation

The multiplier effect measures the proportional change in national income generated by an autonomous shift in spending such as investment or government expenditure. It operates because one person spending money becomes income for another, triggering a chain reaction determined by the marginal propensity to consume. Alternative choices describe hyperinflation mechanisms or monetary aggregates rather than output generation.

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