THE ECOLOGICAL FOOTPRINT OF POVERTY ALLEVIATION: EVIDENCE FROM MEXICO'S OPORTUNIDADES PROGRAM.Published in:Review of Economics & Statistics, 2013, v. 95, n. 2, p. 417, doi. 10.1162/REST_a_00349By:Alix-Garcia, Jennifer;McIntosh, Craig;Sims, Katharine R. E.;Welch, Jarrod R.Publication type:Article