Dizon-Ross, Rebecca; Jayachandran, Seema - National Bureau of Economic Research - 2022
elicit willingness to pay (WTP) for a good. The augmentation is to measure WTP for another good ("benchmark good"), one … unrelated to both the good the researcher is interested in and the independent variables of interest, and to use WTP for the … benchmark good as a control variable in analyses. We illustrate the method and how it can eliminate noise in measured WTP using …