The clearest example of the productivity effect of these technologies is the explosion of massive open online courses, or MOOCs.
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But the group size didn't seem to have a significant effect on productivity, Google found.
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Mechanical looms, steam- powered locomotives, gasoline engines, electric motors ? none had an instant effect on productivity.
Of the two groups without dogs, 80% felt that the dogs in the workplace had no negative effect on productivity.
One study of 19 developed countries found that paid parental leave had a significantly greater positive effect on productivity than unpaid leave.
In a 2009 paper Mr Glaeser and Matthew Resseger of Harvard University find that in highly skilled areas, city size explains 45% of the variation in worker productivity (it has almost no effect in underskilled cities).
As for the effect of exercise on work productivity, there is no evidence connecting the two and we cannot know if exercise itself helps to enhance work productivity.
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He believes that positive supply-side forces will continue to damp the impact of strong demand on output prices and that productivity gains will continue to damp the effect of higher wages on unit labor costs.
Mandating a fixed threshold will also have the perverse effect of lessening incentives to increase productivity in health care and get lower prices from insurers, physicians and hospitals.
Will the effect be mostly positive, boosting our productivity and the rate of human innovation?
The drivers got a 3% pay increase for 2002, which takes effect from April this year and they also put some productivity improvements on the table which were very worthwhile to us.
Sincere words to that effect cost nothing and can make the difference between disengagement and productivity.
Absenteeism is down and productivity is up at the two plants where the new work schedule has gone into effect. (A third plant will be converted early next year.) The economy benefits, too: With its more intensive use of machinery, IEC has added 950 workers, and product is being shipped out the door faster.
Claire Tompkins, a workplace productivity consultant, says amenities that improve employee health, such as ergonomic goodies, can have a dramatic effect.
In a recent study, economists at the IMF analysed the respective impact of deficit reduction, global rebalancing and productivity-enhancing structural reforms on the growth prospects of big rich economies and found that by far the strongest positive effect came from structural reforms.
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