Suppose a ten firm industry has total sales of $35 million per year. The largest firm have sales of $10 million, the third largest firm has sales of $4 million, and the fourth largest firm has sales of $2 million
If fifth through tenth largest firms combined have annual sales of $12 million, the four-firm concentration ratio for this industry is A) 45.7 percent.
B) 80 percent.
C) 65.7 percent.
D) none of the above.
C
You might also like to view...
Refer to the figure below. In response to gradually falling inflation, this economy will eventually move from its short-run equilibrium to its long-run equilibrium. Graphically, this would be seen as
A. long-run aggregate supply shifting leftward B. Short-run aggregate supply shifting downward C. Aggregate demand shifting rightward D. Aggregate demand shifting leftward
When comparing the velocity of M2 (V2), with the velocity of M1 (V1), the evidence suggests that V2 has been __________ and V1 has been __________ over time
A) relatively predictable; relatively predictable B) relatively predictable; relatively unpredictable C) relatively unpredictable; relatively predictable D) relatively unpredictable; relatively unpredictable
Suppose that, in the long run, a dairy's variable costs are VC = 2Q2 (where Q is the number of gallons of milk produced each day), its marginal cost is MC = 4Q and there is an avoidable fixed cost of $50 per day. In the long run there is free entry into the market. What is the efficient scale of production?
A. 5 gallons per day B. 100 gallons per day C. 20 gallons per day D. 50 gallons per day
The existence of economic profits in a perfectly competitive industry
A. will signal resources to flow into that industry. B. gives the investors in that industry a return on investment that just covers opportunity costs. C. indicates an inelastic demand for the industry's products. D. indicates that economic resources are being used efficiently in that industry.