... excludingindirect business taxes (such as sales taxes) andincluding business subsidies. NNP and national incomealso differ because of a “statistical discrepancy” thatarises from problems in data collection.◆ ... rates of infant mortality, higher rates of GDP is not, however, a perfect measure of well-being. Some things that con-tribute to a good life are left out of GDP. One is leisure. Suppose, for instance, ... better off. The loss from reduced leisure would offset the gainfrom producing and consuming a greater quantity of goods and services.Because GDP uses market prices to value goods and services,...