Multiplicador Keynesiano
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
keynes
About this calculator
The Keynesian Multiplier Calculator is an online tool that helps calculate the impact of changes in the economy. It uses the formula k = 1/(1 − MPC), where MPC represents the Marginal Propensity to Consume. This formula allows understanding how variations in investment or consumption affect the Gross Domestic Product (GDP) of an economy.
The Keynesian multiplier is fundamental in economics, as it demonstrates how changes in certain components of the economy, such as investment or consumption, have a multiplier effect on GDP. This occurs because the additional income generated by these changes is again spent, creating a chain effect that increases economic activity.
This calculator is useful for economists, economics students, and anyone interested in better understanding how economic changes affect the economy as a whole. It provides a quick and easy way to calculate the Keynesian multiplier, allowing users to analyze different scenarios and better understand the implications of economic policies.
It is important to note that the Keynesian multiplier depends on the marginal propensity to consume, which varies according to the economy and specific conditions. Therefore, it is crucial to understand the underlying conditions before applying the formula and interpreting the results.
Frequently asked questions
What is the Keynesian multiplier?
The Keynesian multiplier is an economic concept that measures the impact of changes in the economy, such as changes in investment or consumption, on the Gross Domestic Product (GDP).
How does the Keynesian Multiplier Calculator work?
The calculator uses the formula k = 1/(1 − MPC), where MPC is the Marginal Propensity to Consume. Simply enter the value of MPC to get the Keynesian multiplier.
When should I use the Keynesian Multiplier Calculator?
It should be used when you want to analyze the impact of economic changes on GDP, such as evaluating the effect of an increase in investment or consumption.
Why is the marginal propensity to consume important?
The marginal propensity to consume is crucial because it determines the magnitude of the Keynesian multiplier. A higher value of MPC means a larger multiplier, indicating a more significant impact on GDP.
How do I interpret the result of the calculator?
The result of the calculator provides the value of the Keynesian multiplier. The larger the value, the greater the impact of economic changes on GDP. This can be useful for evaluating the effectiveness of economic policies.