The quoted study that found that productivity may decrease and error/accident rate may increase with prolonged work hours: http://ftp.iza.org/dp8129.pdf http://

The quoted study that found that productivity may decrease and error/accident rate may increase with prolonged work hours: http://ftp.iza.org/dp8129.pdf http://ftp.iza.org/dp8129.pdf Note, data are on munition workers, engaged in tasks arguably more repetitive and less cognitively taxing than athletic/engineering performance.