I believe convincing people to do "bad jobs" by means of desperation is named Wage Slavery. Besides being immoral and degrading, its pretty inefficient. On the other hand, some jobs that need to be done plain out unpleasant. How do you convince someone to do it?
In the Looking Backwards scenario the incentive to do one of the "bad jobs" isn't being paid more per hour, everyone is paid the same, its working less hours which I think is subtly different.