Many economists would argue that some frictional unemployment
A) creates massive economic disruptions and should be eliminated as quickly as feasible.
B) should be eliminated whatever the cost.
C) no longer exists because increased unemployment benefits have generally solved this problem.
D) cannot and probably should not be eliminated.
Question 2
If industry sales are 2,000, and the top four firms have sales of 170, 140, 100, and 80, respectively, what will be the four-firm concentration ratio?
A) 49 percent
B) 24.5 percent
C) 490 percent
D) 2.45 percent