Economists refer to "job polarization" in the labor force when middle-class jobs (requiring a moderate level of skills) appear to disappear relative to those at the bottom (requiring fewer skills) and to those at the top — requiring greater skills; or those who are better networked and know people in a position of influence. (Below is a simple animation to show how job polarization might look).
Noah Smith (at Bloomberg) recently wrote: "A plurality of Americans still consider themselves middle-class.” (A plurality meaning, more than any other, but not an absolute majority.) But he linked to The Guardian to make his case, which appears to be saying something completely different:
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