Industry a Has a 60 Percent Concentration Ratio, While Industry

Multiple Choice

Industry A has a 60 percent concentration ratio, while industry B has a 40 percent concentration ratio. According to the inverted-U theory, all else equal, we can conclude that

A) industry A will be more technologically progressive than B.
B) industry C, with a 10 percent concentration ratio, will be more technologically progressive than either industry A or B.
C) industry D, with an 80 percent concentration ratio, will be more technologically progressive than either industry A or B.
D) industry A and industry B should have similar amounts of R&D spending, all else equal.