40 hours provides maximum productivity: Geoffrey James
(NEWSER) - Putting in a 60-hour workweek may look impressive—but it's probably not helping the company, or you. Plenty of studies back this up, writes Geoffrey James at Time , who points to a turn-of-the-20th-century analysis by Ford Motor Company that concluded the most productive number of weekly hours for workers was 40. Another 20 hours briefly increased productivity, but after just three to four weeks, it actually made workers less productive. The same is true of extended workweeks today, writes James. More»