"The book concerns working hours - in the past and in the present, in America and in Britain. The focus is on the relation between hours of work and outcomes such as production and health. Proportional increases in hours of work are shown to result in smaller proportional increases in production...

Why have the real (consumption) wages of U.S. workers risen since the nineteenth century? Some economists answer that increases in real wages have followed increases in labor productivity over time. In this paper, this hypothesized association is confronted with annual observations of changes in...