Find willingness-to-pay threshold when optimal decision changes.
Arguments
- k
Willingness-to-pay grid approximation of the budget willing to invest (vector)
- best
Best intervention for each
k
(int)- ref
Reference intervention (int)
Details
$$k^* := \min\{k : IB < 0 \}$$
The value of the break-even point corresponds to the ICER and quantifies the point at which the decision-maker is indifferent between the two options.