refer to the above data. the firm’s:
a.economic profit is $12.
b.economic profit is $16.
c.loss is $14.
d.economic profit is $3.
5) if the total variable cost of 9 units of output is $90 and the total variable cost of 10
units of output is $120, then:
a.the average variable cost of 10 units is $10.
b.the average variable cost of 9 units is $10.
c.the marginal cost of the tenth unit is $90.
d.the firm is operating in the range of increasing marginal returns.
6) The U.S. Justice Department would most likely block a merger between:
A.Walt Disney and Coca Cola.
B.Sony and Home Depot.
C.Wal-Mart and Subway Sandwiches.
D.Boeing and Airbus.
7) The equilibrium interest rate equates:
A.nominal and real interest rates.
B.the quantities demanded and supplied of loanable funds.
C.consumption and saving.
D.taxes and government spending.
8) In the table below are data on five different industries and the market shares for each
of the firms in the industry. Assume that there is no foreign competition, entry into the
industry is difficult, and that no firm in each industry is on the verge of bankruptcy. In
the column to the right of the table, calculate the Herfindahl index.