1. “Education Choices in Mexico: Using a Structural Model and a Randomized Experiment to Evaluate PROGRESA”,;Review of Economic Studies,2011
2. “The Dynamics of Dependence: The Routes to Self-sufficiency,1983
3. “Estimation and Inference in Nonlinear Structural Models”,;Annals of Social Measurement,1974
4. “What Mean Impacts Miss: Distributional Effects of Welfare Reform Experiments”,;American Economic Review,2006