Labor Market Returns to Early Childhood Stimulation: A 20-year Followup to an Experimental Intervention in Jamaica Arianna Zanolini, Christel Vermeerch, James Heckman, Paul Gertler, Rodrigo Pinto, Sally Grantham-McGregor, Susan M. Chang and Susan WalkerMarch 1, 2013 – Working Papers
Using Performance Incentives to Improve Medical Care Productivity and Health Outcomes Christel Vermeerch and Paul GertlerFebruary 1, 2013 – Working Papers
