Meanwhile, by 2000 the average married couple with children was working almost five hundred hours a year more than in 1979. [ … ] By 1991 the amount of goods and services produced for each hour of labor was double what it had been in 1948. By 2006 that figure had risen another 30 percent. [ … ] if as a society we made a collective decision to get by on the amount we produced and consumed seventeen years ago, we could cut back from the standard forty-hour week to 5.3 hours per day—or 2.7 hours if we were willing to return to the 1948 level.