Harold Barnett

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This manuscript introduces and demonstrates a modification of the popular cost-effectiveness methodology. Because arbitrarily selected discount rates for future health effects can radically change the cost-effect ratio, the determinants of the ratio--differences in the present values of effects and costs-are examined for a wide range of discount rates.(More)
This manuscript introduces and demonstrates a modification of the popular cost-effectiveness methodology. Because arbitrarily selected discount rates for future health effects can radically change the cost-effect ratio, the determinants of the ratio—differences in the present values of effects and costs—are examined for a wide range of discount rates.(More)
Yttrium oxide (Y2O3), ytterbium oxide (Yb2O3), lanthanum oxide (La2O3) and dysprosium oxide (Dy2O3) were evaluated as potential live feed markers for feeding and nutrition studies with ¢sh larvae, by determining the uptake and depletion of markers over time in two trials, and quantifying ingestion of Y2O3-marked rotifers (Branchionus plicatilis) by Atlantic(More)