This function estimates the Population Average Prescription Difference with a budget constraint. The details of the methods for this design are given in Imai and Li (2019).
PAPD(T, Thatfp, Thatgp, Y, plim)
The unit-level binary treatment receipt variable.
The unit-level binary treatment that would have been assigned by the first individualized treatment rule.
The unit-level binary treatment that would have been assigned by the second individualized treatment rule.
The outcome variable of interest.
The maximum percentage of population that can be treated under the budget constraint. Should be a decimal between 0 and 1.
A list that contains the following items:
The estimated Population Average Prescription Difference
The estimated standard deviation of PAPD.
Imai and Li (2019). “Experimental Evaluation of Individualized Treatment Rules”,