NEW YORK CITY—A new study has found that pay for U.S. manufacturing employees has lagged over the last decade, even as jobs are now returning to the country as the recession fades. According to the National Employment Law Project, the median manufacturing wage fell by 5.2 percent between 2003 and 2013.

CAMBRIDGE, MA—In a perfectly capitalist system, increased profit produced by automation flows to the owners of the business, not the workers, argues one analyst.