@article{Carneiro2003, author = {Pedro Carneiro and Karsten Hansen and James Heckman}, title = {Estimating distributions of counterfactuals with an application to the returns to schooling and measurement of the effect of uncertainty on schooling choice}, journal = {International Economic Review}, year = {2003}, month = {May}, volume = {44}, number = {2}, pages = {361-422}, url = {}, }