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- W2016394143 abstract "Abstract Behrens et al. developed a control model for the cocaine epidemic in the US. They investigated the problem of allocating resources to treatment, where the objective is to minimize social and control costs. The optimal control strategy they found for a particular case of constrained budget resembles bang–bang control: a treatment-only period follows a prevention-only period. This motivated us to look at the problem of bringing the size of the epidemic down to a target level in minimum possible time, find the necessary number of switchings between treatment and prevention, and the instants these switchings occur. We carry out a computational analysis for the so-called early- and late-action scenarios, where the controls take effect from years 1967 and 1990, respectively. We investigate the problem in terms of the minimized process time, cost of control, and target ratio of heavy users. The best strategy in either scenario emerges as “first prevention, then treatment” with a rather surprising additional requirement: to reach the target in minimum possible time, the ratio of heavy users at the target should be prescribed as small as possible. This also yields the lowest cost. Further comparisons and interpretations are given." @default.
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- W2016394143 title "Time-optimal switching control for the US cocaine epidemic" @default.
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- W2016394143 doi "https://doi.org/10.1016/s0038-0121(03)00028-4" @default.
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