QUESTION 3 [25 marks]
a) This question is based on the AD-SRAS-LRAS model of the economy. Assume that the
SRAS curve is upward-sloping.
(i) Assume that political instability in country X (a neighbour of Namibia) and the
emergence of a terrorist group in Southern Africa have caused households and
businesses to be uncertain about the future of the Namibian economy. In response,
households and businesses are delaying large purchases/projects until the situation is
more under control. Use the AD-SRAS-LRAS diagram to discuss the predicted short-
run and long-run impacts on the price level, real GDP and unemployment.
[10]
(ii) What policy options are available to the Bank of Namibia in the short and long run?
Use the AD-SRAS-LRAS diagram to support your discussion. [5]
b) Suppose Namibia is a small, open economy, and some foreign countries begin to subsidize
investment by instituting an investment tax credit.
[10]
(i) What happens to the world investment demand as a function of the world interest
rate?
(ii) What happens to the world interest rate?
(iii) What happens to investment in Namibia?
(iv) What happens to Namibia's trade balance?
(v) What happens to the nominal and real exchange rates in Namibia?
QUESTION 4 [25 marks]
(a) Discuss why it is easier for the Central Bank to deal with demand than supply shocks.
[10]
(b) The Open Economy in the Short Run: the Mundell-Fleming Model. Answer the following
sub-questions:
(i) Draw a graph describing a small open economy with a fixed exchange rate. In your
graph, show the fixed exchange rate, the IS* curve, and the equilibrium income, and
label both axes correctly (do not draw the LM* curve at this point).
[5]
(ii) Suppose in this economy with a fixed exchange rate, the central bank sets the money
supply at greater than the money demand. Add an LM* curve to your graph that reflects
this monetary policy. Discuss the process through which the money market returns to
equilibrium.
[5]
(iii) Draw another graph describing a small open economy with floating exchange rate. In
your graph, show the IS* curve, the LM* curve, the equilibrium exchange rate and
income, and label both axes correctly.
[5]
3