This paper explores how optimal enforcement is affected by the fact that not all individuals are equally easy to apprehend. When the probability of apprehension is the same for all individuals, optimal sanctions will be maximal: as Gary Becker (1968) suggested, raising sanctions and reducing the...

This paper considers optimal enforcement when individuals may be imperfectly informed about the probability of apprehension. When individuals are perfectly informed, optimal sanctions are maximal because, as Gary Becker (1968) suggested, society can economize on enforcement resources by reducing...