4. The inverted-U theory suggests that R&D expenditures as a percentage of sales ____________ with industry concentration

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4. The inverted-U theory suggests that R&D expenditures as a percentage of sales ____________ with industry concentration after the four-firm concentration ratio exceeds about 50 percent.
LO15.6

a. Rise.

b. Fall.

c. Fluctuate.

d. Flat-line.

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Economics

ISBN: 9781259723223

21st Edition

Authors: Campbell McConnell, Stanley Brue, Sean Flynn

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