According to paragraphs 2 and 3 (lines 15-40), it is correct to affirm that knowledge workers in the U.S.
make up a declining labor force in the market.
constitute a tiny share of the economically-active population.
represent approximately one-fifth of the nation's economic performance.
may vary greatly in performance according to their access to technology.
earn wages that are slightly higher than workers in manual or transactional jobs.
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