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Middle-skills jobs becoming rarer in American workplaces

AUSTIN, Texas — Thirty years ago, around the time Keith Glass walked into his first semiconductor manufacturing facility, most of the operators wore lab coats.

As microchips grew smaller — and their fabrication grew more complex — Glass and his colleagues traded their lab coats for ultra-clean "bunny" suits. Even then, in these factories that rode on the cutting edge of manufacturing technology, it still took humans to move wafers — slices of semiconductor materials —from one machine to the next.

Today, even the bunny suits are dwindling. Glass gets the same question virtually every time he leads a tour of Samsung Austin Semiconductor's factory: Where are all the people?

"All those old entry-level positions have been replaced by robots," said Glass, the facility's curriculum strategist. "An operator position is much higher and more technically advanced than it used to be. That person now sits in front of a computer instead of moving wafers by hand."

Samsung rarely hires anybody with less than an associate's degree, he said.

The same workforce changes Glass has witnessed in the past three decades have become increasingly symptomatic of a deeper transformation across the country's middle-tier occupations.

The swath of middle-skills jobs that once supported a robust American middle class has thinned, leading to more polarization of the job market. In the past three decades, middle-skills occupations have dropped from nearly 60 percent of total U.S. employment to about 45 percent, according to research by Massachusetts Institute of Technology economics professor David Autor.

The real bulk of job growth is bubbling up at the ends of the spectrum, in low-pay, low-skill jobs and in higher-wage, highly skilled occupations that more and more often require at least a four-year college degree.

Particularly in comparison with the wide and growing cross-section of the population who possess low- or mid-level skills, the country faces a "hollowing out" of the job market's middle tier, as Autor described it. Though economists debate the severity of the changes, few argue that a mismatch exists — a mismatch that presents a critical economic, social and political challenge.

Definitions of this middle tier can vary, in part because "middle-skills" and "middle-wage" don't always refer to the same set of occupations. Broadly speaking, though, middle-skills jobs require more than high-school diplomas — whether that's specialized on-the-job training or formal certifications, such as associate's degrees. High-skill jobs typically require four-year college degrees.

The rising skills requirements and the evolution of occupations that pay a mid-tier wage make definitions more difficult to pin down. By most definitions, though, the country faces a dwindling supply of jobs that require a moderate amount of specialized training and pay a middle-class wage.

"It's a different middle now, and we have to change our thinking about what constitutes the middle," said Harry Holzer, a public policy professor at Georgetown University. "Middle-wage jobs almost all require some sort of post-secondary training, like an associate's degree."

Holzer doesn't see as much hollowing-out as Autor does, but he agreed that technology might be the biggest culprit in the contraction of middle-tier jobs. According to Autor's research, computers and robots have replaced many "routine" tasks, many of them clerical (replaced by information technology) or manufacturing (replaced by robotic technologies).

Employment at the ends of the skills and wages range grew from 1979 to 2009, Autor found. But over the same period, middle-skills jobs dipped to 45.7 percent of total U.S. employment, down from 57.3 percent.

Economic downturns have been especially hard on this middle tier, according to economics associate professors Nir Jaimovich at Duke University and Henry Siu at the University of British Columbia. Since the mid-1980s, they found, 92 percent of the job loss in middle-skills occupations occurred within 12 months of a recession. And jobless recoveries, such as the one the nation is in now, are almost solely due to the disappearance of mid-tier jobs, they said.

Today, a high school diploma barely qualifies for most middle-skill occupations — especially in growing industries such as health care. And formal education, certifications and on-the-job training have become prerequisites for most career-advancement opportunities.

Yet building a more skilled, better-educated workforce solves only half the equation. The large swath of middle-skill workers still needs gainful employment in which they can apply those skills.

"There's a cost to not developing the economy in a balanced way," said Chris King, director of the University of Texas' Ray Marshall Center for the Study of Human Resources. "If you don't develop a balanced set of jobs with decent pay for families in those jobs, you fall into more participation in public programs. And if employers don't pay good wages, even employed people do the same."

Despite his warning, King falls in with the camp of economic experts who argue the shortage of middle-tier jobs, while critical, isn't as severe or permanent as others suggest. Not only will new middle-skills occupations emerge in health care and other industries, he said, but a growing number of more traditional middle-class jobs will also open up as baby boomers retire. Those include machinists, utility workers and other hands-on, in-person jobs that can't be automated or off-shored.

"They're not sexy new jobs," King said, "but they're good jobs." Many only require an associate's degree or other post-secondary certification.

King agrees the education and skill level needed to qualify for middle-wage job opportunities has moved beyond the high school diploma. And it's going to continue to rise.

"It has to," said Glass, at Samsung. "We don't make buggy whips anymore."

Middle-skills jobs becoming rarer in American workplaces 07/07/12 [Last modified: Saturday, July 7, 2012 5:31am]

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