3. Within the AD/AS model, if consumers and investors become more optimistic about the future
direction of the economy,
(A) aggregate demand will decrease.
(B) aggregate demand will increase.
(C) long-run aggregate supply will increase.
(D) long-run aggregate supply will decrease.
(E) short-run aggregate supply will decrease.
4. How would aggregate demand change if foreign incomes increase and the exchange rate value
of the dollar increases?
(A) Neither change would affect aggregate demand.
(B) The increase in foreign income would decrease aggregate demand; the increase in the
exchange rate would increase aggregate demand.
(C) The increase in foreign income would increase aggregate demand; the increase in the
exchange rate would decrease aggregate demand.
(D) The increase in foreign income would increase aggregate supply; the increase in the
exchange rate would increase aggregate demand.
(E) The increase in foreign income would decrease aggregate supply; the increase in the
exchange rate would increase aggregate demand.
5. Which of the following limits an economy s productive capacity at a point in time?
(A) the amount of money in circulation
(B) the total demand for goods and services
(C) the quantity and quality of productive resources
(D) constitutional restraints that limit budget deficits
(E) the size of the trade deficit
6. Which of the following will most likely cause an increase in the long-run aggregate supply
curve?
(A) a reduction in the general level of prices
(B) an increase in the general level of prices
(C) an improvement in technology that substantially reduces the cost of generating energy
(D) an increase in taxes that makes it more expensive for Americans to import crude oil
(E) an increase in aggregate demand
7. An improvement in technology would shift which of the following curves?
(A) aggregate demand and short-run aggregate supply
(B) aggregate demand and long-run aggregate supply
(C) only the short-run aggregate supply
(D) only the aggregate demand
(E) short-run and long-run aggregate supply
8. An abnormally large grain crop due to highly favorable weather conditions in the Midwest is
an example of a(n)
(A) technological improvement that will increase long-run aggregate supply.
(B) supply shock that will increase short-run aggregate supply.
(C) demand shock that will decrease aggregate demand.
(D) unexpected development that will reduce the natural rate of unemployment.
(E) unexpected development that will lead to excess supply and widespread unemployment.