Is It Time for a Three-Day Weekend Every Week?

Independence Day falls on a Monday this year, and that means many people will have a three-day weekend. Studies have shown that working long hours every week can cause health problems; working too much can lead to relationship problems; and some evidence suggests that American employees would be more productive if they worked fewer hours every week. So if Americans would probably be happier, healthier, and more productive if we shrunk the workweek down, why haven’t we done so?