For many jobs, employers may prefer individuals with lower discount rates as they would invest more in becoming better employees in the hope of earning future promotion. As a consequence, a signal, even a noisy one, about an individual's discount rate might be valuable to certain employers.
In fact, tattoos may signal high discount rates:
We show that, according to numerous measures, those with tattoos, especially visible ones, are more short-sighted and impulsive than the non-tattooed.And this has a predictable consequence:
Survey and experimental evidence documents discrimination against tattooed individuals in the labor market and in commercial transactions