3. Rising wage returns to workers who are on call all the time and work long hours (NYT). The framing of the piece implies these workers impose negative externalities on others, but of course positive externalities are a more plausible scenario. Furthermore, the wedge created by marginal tax rates suggests many people are working too few hours at too unproductive a pace, compared to an optimum. It is the non-pecuniary aspects of the job which are oversupplied, as in basic micro, right?