Rise in part-time workers worrisome

From USA Today:

Economists have few concerns about the number of workers employers are hiring this year, with the government reporting Friday that the economy added a surprising 288,000 jobs in June.

The number of hours employees are working?

That's a different story.

Among the few worrisome signs in Friday's generally encouraging employment report was a sharp rise in the number of part-time workers who prefer full-time jobs.

The total jumped by 275,000 to 7.5 million, the Labor Department said...

[There is] a shift in the labor market, with employers increasingly using part-time and temporary workers to handle short-term projects.

"Companies view labor more as inventory that is to be hired when they need it and let go when they don't need it."
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Link: http://www.usatoday.com/story/money/business/2014/07/06/part-time-workers/12185871/