Estimating Marginal Returns to Education
Pedro Carneiro,
James Heckman,
Edward Vytlacil
American Economic Review,
vol. 101, 2011, p. 2754-2781.
Evaluating Marginal Policy Changes and the Average Effect of Treatment for Individuals at the Margin
Pedro Carneiro,
James Heckman,
Edward Vytlacil
Econometrica,
vol. 78, 2010, p. 377-394.