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Treatment effect heterogeneity for obesity in males (A) and females (B). The endowments and the outcomes are simulated from the estimates of the model in each panel; when computing the average treatment effect along the distribution of each endowment, we integrate out the observable characteristics and fix the other two endowments at their overall mean. Adapted from Conti, Heckman, and Urzua (2010a, 2010b).
