www.insp.mx Model specification l WTA i = person i is willing to accept CCT to reduce risk (yes=1 ; no=0) l incentive i = random incentive level for person i (in natural logs) l i subscripts in X vector: individual respondent characteristics that might influence choice: education, wealth index, risk level (sex work, condom use, number of partners) l Random error: e l Estimate with linear, non-linear (probit models), & quantile regression l Calculate elasticity:
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