Behrens, Doris A.; Caulkins, Jonathan P.; Tragler, Gernot; … - In: Management Science 46 (2000) 3, pp. 333-347
Drug use and related problems change substantially over time, so it seems plausible that drug interventions should vary too. To investigate this possibility, we set up a continuous time version of the first-order difference equation model of cocaine use introduced by Everingham and Rydell...