a. spreading fixed costs over larger outputs and increasing returns to the variable inputs.
b. declining administrative costs as output increases.
c. falling fixed costs.
d. rising total product.
Which of the following events would increase the four-firm concentration ratio in a
milk industry with six firms?
a. The two largest milk producers merge.
b. The largest milk producer buys an ice cream-making plant.
c. The largest milk producer lures customers away from the second-largest producer.
d. The four largest milk producers collusively fix prices.
The Fed’s quick response to the threat to the economy after September 11, 2001, makes
a strong case for
a. a rules-based monetary policy regime.
b. a discretionary-based monetary policy regime.
c. the superiority of fiscal policy.