LS7 - Multiplier Effect Flashcards
Multiplier Effect (k)
An initial increase in injection into the circular flow of income, eventually leads to an even bigger increase in national income.
The Multiplier Ratio
A measure of the proportionate change in national income in response to a change injections/withdrawals.
Multiplier Effect Equation
k = Change In National Income (Y) / Change In Injections (J)
Positive Multiplier
When an initial increase in an injection/decrease in withdrawal leads to a greater final increase in real GDP.
Negative Multiplier
When an initial decrease in injection/increase in withdrawal, leads to a greater final decrease in real GDP.
Marginal Propensity To Consume (MPC)
The proportion of one additional unit of income that is spent on domestic G+S.
Marginal Propensity To Save (MPS)
The proportion of one additional unit of income that is saved.
Marginal Propensity To Tax (MPT)
The proportion of one additional unit of income that is taxed to the government.
Marginal Propensity To Import (MPM)
The proportion of one additional unit of income that is spent on imports (foreign G+S).
Marginal Propensity To Withdraw (MPW)
The proportion of one additional unit of income that’s saved, taxed and spent on imports (withdrawn from the economy).
MPC Equation
Change In Consumption/Change In Income
MPS Equation
Change In Savings/Change In Income
MPT Equation
Change In Taxation/Change In Income
MPM Equation
Change In Imports/Change In Income
MPW Equation
Change In Withdrawals/Change In Income