John Maynard Keynes expected that around the year 2030 people would only work 15 hours a week. In the mid-1960s, Jean Fourastié still anticipated the introduction of the 30-hour week in the year 2000, when productivity would continue to grow at an established pace. Productivity growth slowed down somewhat in the 1970s and 1980s, but rebounded in the 1990s with the spread of new information and communication technologies. The knowledge economy, however, did not bring about a jobless future or a world without work, as some scholars had predicted. With few exceptions, work hours of full-time...