Consider the graph below:
Planned aggregate expenditure (PAE, billions of $)
1,000
PAE = Y
900
PAE
800
700
PAE
600
500
400
300
200
100
0
300
400
500
800
900
1,000
Actual aggregate expenditure (output or GDP, billions of $)
Instructions:
In part a, round your answer to the nearest whole number. In part b, round your answer to one decimal place.
a. The expenditure multiplier in this economy is:
b. The marginal propensity to consume in this economy is: