1)
refer to the above diagram. if price falls from $10 to $2, total revenue:
a.rises from a + b to a+ b + d + c and demand is elastic.
b.falls from a + d to b + c and demand is inelastic.
c.rises from c + d to b + a and demand is elastic.
d.falls from a + b to b + c and demand is inelastic.
2) In a certain year the aggregate amount demanded at the existing price level consists
of $100 billion of consumption, $40 billion of investment, $10 billion of net exports,
and $20 billion of government purchases. Full-employment GDP is $120 billion. To
obtain price level stability under these conditions the government should:
A.increase tax rates and/or reduce government spending.
B.discourage personal saving by reducing the interest rate on government bonds.
C.increase government expenditures.
D.encourage private investment by reducing corporate income taxes.
3) The following table which indicates the dollar price of libras, the currency used in
the hypothetical nation of Libra. Assume that a system of freely floating exchange rates
is in place.
Refer to the above table. The equilibrium dollar price of libras is:
A.$5.
B.$4.
C.$3.