The mopane worm, which is the caterpillar form of the Saturnid moth <italic>Imbrasia belina</italic> Westwood, is – like other edible insects and caterpillars – a vital source of protein in southern African countries. The worms live and graze on mopane trees, which have alternative uses. With increasing...

Studies of compliance with fishing regulations have been based on fishery crimes where the offender faces a one-period decision problem of maximizing an expected utility. Moreover, the returns from the crimes are uncertain because the offender may lose them if caught. This paper extends these...