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Tax Multiplier Calculator

Compute the Keynesian tax multiplier from the marginal propensity to consume (MPC), measuring how a tax change affects total economic output. The result is negative because tax increases reduce output.

Marginal Propensity to Consume

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Economics

GDP Growth Rate Calculator

Calculate a country's or region's nominal or real GDP growth rate over any time horizon. Useful for economists, students, and analysts comparing economic performance across periods or adjusting for inflation.

Initial GDP ($)

Final GDP ($)

Time Period (years)

Inflation Rate (for Real GDP) (%)

GDP Type

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Key differences

	Tax Multiplier Calculator	GDP Growth Rate Calculator
Category	Economics	Economics
Inputs required	1	5
Result	Tax Multiplier	GDP Growth Rate (%)
What it does	Compute the Keynesian tax multiplier from the marginal propensity to consume (MPC), measuring how a tax change affects total economic output. The result is negative because tax increases reduce output.	Calculate a country's or region's nominal or real GDP growth rate over any time horizon. Useful for economists, students, and analysts comparing economic performance across periods or adjusting for inflation.