consumption Flashcards
What is marginal propensity to consume?
The proportion of additional income devoted to consumption
What is consumption?
Spending of goods and services by households
Factors that affect consumption
Disposable income, Consumer confidence, household wealth, inflation expectations, market interest rates
formula for MPC
MPC = Change in consumption/ change in income
what range does MPC lie in?
0-1 and no greater than 1
index number calculation
raw number/base year raw number * 100
What is the marginal propensity to save?
the proportion of an increase in the disposable income that households would devote to saving
savings ratio
% of disposable income rather than spent
what is the consequence of a higher savings ratio
lower consumption and aggregate demand
real interest rate
nominal interest rate adjusted for inflation, a positive real interest incentivises saving
Price expectation
If consumers expect the price to fall they may chose to save more
consumer confidence
when consumer confidence is strong people are more willing to borrow and save less
Need to pay back debt
short term savings to repay credit card bills or space for mortgage deposit
permanent income hypothesis
Keynes believed people will consume more or less based on their in the moment tax income
Factors affecting consumer confidence
- economic growth
- household debt
- unemployment
- house prices