Table 1 Three interventions (a–c) with the same cost, different benefits, and target groups with different incomes (PW poverty-weighted)
From: How can MCDA tools improve priority setting? Four critical questions
| Â | A. Multiplicative weights | B. Additive weights | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Income | Weight | Benefit | PW benefit | PW rank | Income | Rank | Benefit | Rank | Weighted rank | |
a. | Poor | 3 | 10 | 30 | 1 | Poor | 1 | 10 | 3 | 2 |
b. | Average | 2 | 14 | 28 | 2 | Average | 2 | 14 | 2 | 2 |
c. | Rich | 1 | 18 | 18 | 3 | Rich | 3 | 18 | 1 | 2 |