This paper uses a model combining three strands within the bioeconomic literature: spatial management, pest and nuisance management, and enforcement under different ecological dispersal processes (i.e., sink-source versus density-dependent) to illustrate the dual management policy (i.e.,...

It has been established in the medical literature that self-medicating with imperfect information about either the use of a genuine or counterfeit drug or based on wrong self-diagnosis of ailment, which is predominant especially in developing countries, is a risky investment in health capital....