Consumption Investment Flashcards
What does AD consist of spending by?
Consumption (C), investment (I), government spending (G) and export - import (X-M)
What is the formula for AD?
AD = C+G+X-M
Why do we have to add exports?
It is the demand for other countries for the UK products
Why do we have to subtract imports?
It is the demand for UL households and firms for foreign products
What is the consumption function?
C=a+bYd
What is C in the consumption function?
The level of consumption spending
What is a in the consumption function?
The autonomous consumption
What is b in the consumption function?
The marginal propensity to consume
What is Yd in the consumption function?
The disposable income (income after tax)
What is the axis on a consumption function?
Consumption on the vertical and income on the horizontal
What are the determinants of consumption spending?
Distribution of income, availability and cost of credit, wealth effect, age distribution, expectations and permanent income
What is autonomous consumption?
The amount of spending independent of incomes
What happens if income is zero?
The amount will still be spent (dissaving)
What is dissaving?
Borrowing or using previous savings
What is marginal propensity to consume (MPC)?
The amount of extra spending out of an extra pound