Explain the effects of the following events on Aggregate Demand or Aggregate Supply curves

(AD/ SAS decreases or increases)

Specify the shift in AD/SAS curve and indicate what happens to the equilibrium price level and

RGDP

a. A significant appreciation of the exchange rate

b. Investment increases after the Government decided to remove many business barriers

2

c. Households expect lower prices in the future

d. High temperatures in most KSA cities supplying oil