20) Suppose the balance on the current account is +$100 billion and the balance on the
capital account is -$1 billion. The balance on the financial account is:
A.+$101 billion.
B.-$100 billion.
C.-$99 billion.
D.+$100 billion.
21) Suppose a firm anticipates that a particular R&D expenditure of $100 million will
result in a new product and thus create a one-time added profit of $108 million a year
later. The firm will:
A.undertake the R&D expenditure if its interest-rate-cost of borrowing is 12 percent.
B.undertake the R&D expenditure if its interest-rate-cost of borrowing is 10 percent.
C.not undertake the R&D expenditure if its interest-rate-cost of borrowing is 9 percent.
D.not undertake the R&D expenditure if its interest-rate-cost of borrowing is 7 percent.
22) The optimal extraction level in the present for a non-renewable resource is:
A.zero.
B.where the market price of the resource equals the extraction cost of the last unit.
C.where the market price of the resource equals the extraction cost of the last unit plus
the user cost of the last unit.
D.where the extraction cost of the last unit equals the user cost of the last unit.
23) we would expect the cross elasticity of demand between dress shirts and ties to be:
a.positive, indicating normal goods.
b.positive, indicating complementary goods.
c.negative, indicating substitute goods.
d.negative, indicating complementary goods.
24) suppose that gamma is an advanced industrial country and omega is a developing