29) Consumption and saving Flashcards
What is GDP(AD)?
GDP = AD = C + I + G + (X-M)
What factors determine consumption?
1) Disposable income
2) Interest rates
3) Consumer confidence
4) The availability of credit
5) The level of debt held
6) Inflation
7) Composition of households (younger and older tend to spend more of their income)
8) Wealth affects
What is APC?
Average propensity to consume is the amount of total income that an individual spends, on average, on consumption
What is the APC formula?
Average propensity to consume = Total consumption / Total income
What is MPC?
Marginal propensity to consume is how much extra is spent on consumption as a result of receiving one extra £ in income
What is the MPC formula?
Marginal propensity to consume = Change in consumption / Change in income
What is APS?
Average propensity to save is the amount of total income that an individual saves
What is the APS formula?
Average propensity to save = Total saving / Total income
What is MPS?
The marginal propensity to save is the amount of one extra £ in income that the individual decides to save
What is the MPS formula?
Marginal propensity to save = Change in saving / Change in income
What is disposable income?
Household income over a period of time including state benefits, less direct taxes
What is wealth effect?
The change in consumption following a change in wealth
What are non-durable goods?
Goods which are consumed almost immediately e.g. ice cream
What are durable goods?
Goods which are consumed over a long period of time e.g. TV, car