In a closed competitive general equilibrium constant returns economy, consumer taxes separate consumer and producer prices of goods. Shadow prices appropriate for the evaluation of public sector projects are derived on alternative assumptions about what happens to taxes as public production...

We developed a two-stage model to help predict the circumstances under which alternative public immunization strategies for influenza are likely to be best suited to national needs. The first stage is a deterministic epidemic model which, when solved numerically, describes the fraction of the...