Multiplier (economics)

Illustration of the original visualisation of the tableau économique by Quesnay, 1758.

In macroeconomics, a multiplier is a factor of proportionality that measures how much an endogenous variable changes in response to a change in some exogenous variable.

For example, suppose variable x changes by 1 unit, which causes another variable y to change by M units. Then the multiplier is M.

单词	Economic multiplier
释义	Economic multiplier 英语百科 Multiplier (economics) In macroeconomics, a multiplier is a factor of proportionality that measures how much an endogenous variable changes in response to a change in some exogenous variable. For example, suppose variable x changes by 1 unit, which causes another variable y to change by M units. Then the multiplier is M.
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Economic multiplier

Multiplier (economics)