Strong productivity growth has been achieved partly through the elimination of many mid-skilled jobs.
And American productivity growth is the envy of the industrial countries around the world.
It has been cut back and this has resulted in a decline of annual productivity growth.
Competition from emerging economies should also help to spur rich-world productivity growth and thus average incomes.
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It suggests that trade may induce firms to invest in innovation, contributing to productivity growth.
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But forecasters almost certainly underestimate the jobs and productivity growth from the next great tech cycle.
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One benefit of faster productivity growth is also likely to be temporary, for quite another reason.
Weak productivity growth may in fact be just the flip side of this job-creating economic growth.
The deterioration of Europe's productivity growth is probably not as bad as it seems.
If subsidies go to industries with fewer competitors, they do not aid innovation or productivity growth.
Such measures should raise productivity growth, but wage restraint will still be needed to restore competitiveness.
Together, the two sectors yielded more than half of America's productivity growth in 1995-2004.
More trade and greater price transparency should mean more competition and thus higher productivity growth.
Now, productivity growth without job creation and more fiscal revenue is unprecedented in economic history.
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After all, higher productivity growth must eventually show up in either higher profits or higher wages.
Second, assuming favourable macro-economic conditions, McKinsey reckons that annual productivity growth of 6% can be sustained.
In other ways too, the platform for faster productivity growth is already in place.
But in this boom, productivity growth has actually risen as the recovery has gone on.
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And it coexists with two longstanding Brazilian weaknesses: high job turnover and low productivity growth.
Over the past three years, as productivity growth has quickened, profit margins have actually fallen.
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Mr Owen uses monthly data for productivity growth in manufacturing, a good proxy for the traded-goods sector.
In fact, annual productivity growth since 2004 is about 1.5%, below even the long-term average of 2.25%.
But the U.S. economy has demonstrated that 2.7% productivity growth is possible for a decade or more.
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The reduction in the top tax rates appears to be uncorrelated with saving, investment, and productivity growth.
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Over the period of 1919-29, productivity growth in the non-farm business sector was a more modest 2.3%.
The service sector has been India's salvation over the last decade, an oasis of remarkable productivity growth.
Even if productivity growth does tail off, it may still be strong enough to match sluggish demand.
Thus, even if productivity growth remains at its rapid pace of recent years, American unemployment will rise.
Even slow growth should cut the stock of jobless if productivity growth is sluggish, as seems likely.
It is surely no accident that productivity growth in European service industries has lagged that in manufacturing.
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