Despite these challenges, thanks to the productivity and hard work of the American people, our economy is expanding at a healthy pace.
Despite obvious enormous advantages to customers, evolutionary gains in productivity are hard to achieve at scale with such barriers (disclosure: the author was part of the team that initially brought Virtuwatt to market).
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Productivity in the public sector is hard to measure and often poor.
Thanks to creative destruction, productivity has taken off in ways hard to measure but clear to anyone who surfs the Web for news or browses the global markets for merchandise from places that two generations ago were barely on the map.
"We are going to work hard to substantially improve the productivity and profitability of this key business, " he said.
As consistent as Pujols has been to this point in his career, it is hard to conceive that his productivity would remain at its currently high levels throughout the entirety of the next decade.
They concluded that to achieve the required export growth, China would have to reduce prices, which would be increasingly hard to manage, whether through productivity gains or a squeeze in profits.
Hitting that target will be enormously hard because of a demographic weakness that is harming productivity, earnings and savings.
With such a deep bench of people qualified for the job, finding the perfect hire is hard on you, and hard on the company in terms of time and lost productivity.
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Within the single-currency area competitiveness has to be regained the hard way by pushing down domestic costs or increasing productivity rather than the easier-to-swallow medicine of devaluation.
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In general its hard to get a competitive market to respond to an increase in productivity by producing less.
If it can be hard to generalize the cost of BYOD across companies, determining any associated productivity benefits is even harder.
America's factories have reported strong productivity gains as they have wrung more out of the workers that survived the recession (although those gains will be hard to repeat).
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