From Reuters.com:
Automation and increasingly sophisticated computers have boosted demand for both highly educated and low-skilled workers around the globe, while eroding demand for middle-skilled jobs...
But only the highly educated workers are benefiting through higher wages, wrote MIT professor David Autor in the paper prepared for a central banking conference in Jackson Hole, Wyoming.
Middle- and lower-skilled workers are seeing their wages decline.
That is in part because as middle-skilled jobs dry up, those workers are more likely to seek lower-skilled jobs, boosting the pool of available labor and putting downward pressure on wages...
Recounting the long history of laborers vilifying technological advances, Autor argues that most such narratives underestimate the fact that computers often complement rather than replace the jobs of higher-skilled workers.
People with skills that are easily replaced by machines, such as 19th-century textile workers, do lose their jobs.
In recent years computer engineers have pushed computers farther into territory formerly considered to be human-only, like driving a car.
Still, computer-driven job polarization has a natural limit, Autor argues.
For some jobs, such as plumbers or medical technicians who take blood samples, routine tasks are too intertwined with those requiring interpersonal and other human skills to be easily replaced.
"I expect that a significant stratum of middle skill, non-college jobs combining specific vocational skills with foundational middle skills - literacy, numeracy, adaptability, problem-solving and common sense - will persist in coming decades," Autor wrote...
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Link: http://www.reuters.com/article/2014/08/22/us-usa-fed-technology
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