National Income Flashcards
(12 cards)
Wealth
A stock of assets
What are examples of injections into an economy?
- Government Spending (G)
- Investment (I)
- Exports (x)
What are examples of withdrawals removed from an economy?
- Taxes (T)
- Savings (S)
- Imports (M)
How do you know if an economy is growing?
Injections > withdrawals
What is marginal propensity to consume? (MPC)
The proportion of additional income that is spent on consumption rather than saving
What is marginal propensity to save? (MPS)
The proportion of additional income that is saved.
What is marginal propensity to tax? (MPT)
The proportion of additional income that is paid in taxes
What is marginal propensity to import? (M)
The proportion of additional income that is spent on imports.
Income
A flow of money.
National Income
The total income earned by the factors of production in an economy in a given time frame.
What is the formula for multiplier?
1/(1-MPC)
or
1/MPW
Marginal Propensity to Withdraw (MPW)
The proportion of additional income that isn’t spend on domestic goods/services, but is either saved, taxed or spent on imports
(MPW = MPS + MPT + MPM)