From: Optimizing cost-efficiency in mean exposure assessment - cost functions reconsidered
 | Combination of αand β | |||
---|---|---|---|---|
 | A: α= 1;β= 1 | B: α= 1;β≠1 | C: α≠1;β= 1 | D: α≠1;β≠1 |
Budget restriction | 5 | 12 | 16 | NA |
Objective variance function; independent variable | 6; n s | 13; n d | 17; n s | NA |
Derivative of objective function | 7 and 7a | 14 | 18 and 18a | NA |
Condition for choosing lower choice set boundary | 8 | 15 | 19 | NA |
Condition for choosing upper choice set boundary | 9 | NA | NA | NA |
Internal n s | 10 | NA | NA | NA |
Internal n d | 11 | NA | NA | NA |