Arianna Zanolini

Labor Market Returns to Early Childhood Stimulation: A 20-year Followup to an Experimental Intervention in Jamaica

March 1, 2013 • Working Papers • By Arianna Zanolini, Christel Vermeerch, James Heckman, Paul J. Gertler, Rodrigo Pinto, Sally Grantham-McGregor, Susan M. Chang and Susan Walker

Abstract We find large effects on the earnings of participants from a randomized intervention that gave psychosocial stimulation to stunted Jamaican toddlers living in poverty. The intervention consisted of one-hour…