In August of 2015, the
Chinese central bank decided to reduce that nation's required
reserve-deposit ratio from 18.5 percent to 18 percent. Assuming no
change in the amount of cash held by the Chinese public, that
commercial banks lend all their excess reserves, and that bank
reserves was a constant 4,329 billion yuan both before and after
the change.
a. The value of
Chinese banks deposits was billion yuan before this change in the
reserve-deposit ratio and billion yuan after the change.
b. Therefore the total
change in deposits as a consequence of the change in the
reserve-deposit ratio was billion yuan.
c.
An economy is described by the following equations:
C |
= 2,600 + 0.8 (Y –
T) – 10,000r |
IP |
= 2,000 – 10,000r |
G |
= 1,800 |
NX |
= 0 |
T |
= 3,000 |
The real interest rate, expressed as a decimal, is 0.10 (that is,
10 percent).
a. Find a numerical equation relating planned aggregate expenditure
to output.
Instructions: Enter your response for mpc
rounded to one decimal place.
PAE = ? + ? Y. ???
b. Using a table (or algebra), solve for short-run equilibrium
output.
Instructions: If you are entering any negative
numbers be sure to include a negative sign (-) in front of those
numbers. Leave no cells blank. You must enter 'zero' for the answer
to grade correctly.
Output Y |
Planned aggregate expenditure (PAE) |
Y
– PAE |
9,500 |
|
|
9,600 |
|
|
9,700 |
|
|
9,800 |
|
|
9,900 |
|
|
10,000 |
|
|
10,100 |
|
|
10,200 |
|
|
Short-run equilibrium output: .
c. Show your result graphically using the Keynesian cross
diagram.
draw graph
Instructions: On the graph below, use the line
tool 'Exp.' to draw the expenditure line for levels of income
between 9,500 and 10,500. Draw only the endpoints. Then use the
point tool 'A' to locate the equilibrium level of income.
In: Economics