An Age-Structured Single-State Initiation Model -- Cycles of Drug Epidemics and Optimal Prevention Programs
This paper introduces a mode for drug initiation that extends traditional dynamic models by considering explicitely the age distribution of the users. On the basis of a 2-groups model in which the population is split into a user and a non-user group the advantage of a continuous age distribution is shown by considering more details and by yielding new results. Neglecting death rates reduces the model to a single state (1-group) descriptive model which can still simulate some of the complex behavious of drug epidemics such as repeated cycles. Further more, prevention programs, especially school-based programs can be targeted to certain age classes. So in order to discover how best to allocate resources to prevention programs over different age classes we formulate and solve optimal control models.
Publication Year: 2002
Type: Working Paper
Working Paper Number: 7
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