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. These positive results arise due to the presence of many low-tuition schools in the program;
After revision:  Applying our tools to the OSP, we find that provision of the status-quo as well as a wide range of counterfactual vouchers of different amounts have positive benefits net of costs. In comparison, traditional logit models produce estimates towards the lower end of our bounds, and hence may understate the benefits. We also find that the positive results can be explained by the popularity of low-tuition schools in the program;