Before revision:  Applying our tools to  the OSP, we find that provision of the status-quo as well as a wide range of counterfactual voucher amounts has a positive net average benefit.
After revision:  Applying our tools to analyze the welfare effects of voucher provision in the DC Opportunity Scholarship Program, a school voucher program in Washington, DC. We find that the provision of both the OSP, we find that provision of the status-quo as well as a wide range of counterfactual voucher amounts has a positive net average benefit.