For example. Q01: how will the following affect the equilibrium level of output and unemployment of a country in autarky? Wil it affect the IS or XR curve? How? (a) stock market boom (8 marks) (b) a fall in the retirement age (8 marks) (c) a decrease in depreciation rate (8 marks) (d) a natural disaster that wipesoff stock of capital (8 marks) (e) an increase in the rate of technological progress (8 marks)