What 7 things should successful economic policy result in?
(macroeconomic objective)
Circular flow of income model
Households give labour and expenditure
Firms give wages and goods/services
Injections into the circular flow of income model
X - Exports
I - Investment
G - Government spending
Leakages from the circular flow of income model
M - Imports
S - Savings
T - Taxes
Injections definition
Money flowing into the circular flow of income
Leakages definition
Money flowing out of the circular flow of income
Aggregate demand definition
total demand of goods and services in an economy
What is aggregate demand made up of?
What are 6 determinants of consumption?
How does RDI Increase consumption?
Why might RDI not increase consumption?
RDI increase = Consumption increase = AG increase
How does wealth affect consumption?
Why might wealth not affect consumption?
Wealth effect -> Assets price increase, people feel richer and spend more, consumption increases.
UK is nation of homeowners so wealth effect is significant.
Why will consumer confidence affect consumption?
Why will confidence not affect consumption?
Confidence increases -> Consumption increases -> AD increases.
How will Interest Rates effect consumption?
Why will interest rates not affect consumption?
Save more -> Borrow less -> spending decrease -> Consumption decrease, AD decrease.
How does Age structure of population affect consumption?
Why might age structure not affect consumption?
Young - spend for education and luxuries.
Middle - Save for kids, spend for family and house.
Old - Likely to spend.
Why might inflation affect consumption?
Why might inflation not affect consumption?
People cut back on luxuries but spend same on needs. Consumption decreases.
Marginal propensity to Consume (MPC)
The change in consumption from a change in income
What happens when MPC increases?
An increase in consumption in response to an increase in income
MPC Formula
Change in consumption / Change in income.
why is mpc expected to be between 0 and 1?
because people will not spend all of the increased income, they will save some of it.
Marginal propensity to save (MPS)
The change in savings from a change in income
What happens when saving increases?
Consumption decreases
What 6 things determine volume of saving
How does RDI affect volume of saving?
Higher RDI -> more saving -> Consumption decreases
Why might RDI not affect volume of saving?
-People may spend income.
-May not apply to wealthy households.