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- G M Gelles
- Journal of policy analysis and management : [the…
- 1993

Costs and benefits of the testing protocol for screening donated blood for the HIV-1 virus are evaluated. Estimates are made of the number of HIV-1 infections and cases of AIDS prevented in a year by blood testing, as well as the costs of providing this risk reduction. The risk reduction provided by alternative tests such as the HIV-1 antigen test is also… (More)

- Douglas W. Mitchell, Gregory M. Gelles
- European Journal of Operational Research
- 2003

This paper discusses utility functions for money, where allowable money values are from an arbitrary nonempty closed subset of the real numbers. Thus the classical case, where this subset is a closed interval (bounded or not) of the real line, is included in the study. The discrete case, where this subset is the set of all integer numbers, is also included.… (More)

In this work we derive a linear second-order dynamic equation which describes multiplieraccelerator models on time scales. After we provide the general form of the dynamic equation, which considers both taxes and foreign trade, i.e., imports and exports, we give four special cases of this general multiplier-accelerator model: (1) Samuelson’s basic… (More)

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