- Assume that consumers in country suddenly decreased their
expenditure. Show graphically the short run and long run impact of
this decrease on the macroeconomic equilibrium point using AD and
AS model (assume that the country's economy initially operates at
the potential level of GDP and there is no government
intervention). Briefly explain. (5 marks)
- On December 13, 2017, the US Central Bank Chairman, Prof.
Jeanette Yellen, announced an increase in the interest rate. Use
the money market model to show graphicallyhow the US central Bank
could achieve this target. Make sure you show the old and new
equilibrium interest rates. Briefly explain. (5 marks)
- Answer: as expenditure decrease than AD shift towards left
which leads cause negative supply shock. Recessionary gap will
generate. Price will fall and output also fall . But in the long
run the economy is self correcting itself. Wages fall and price of
resources will fall and aggregate supply shifted towards outward.
Diagram is given below.
Question :2
Answer: less money supply leads to increase interest rate and
Contractionary monetary policy which will decrease money supply and
increase interest rate . Diagram is given below

Hope answered your questions thank you