Before revision:  To do so, we develop new discrete choice tools to show how to use data with random allocation of school vouchers to characterize what we can learn about the welfare benefits of providing a voucher of a given amount, as measured by the average willingness to pay for that voucher , and these benefits net of the costs of providing that voucher.
After revision:  To do so, we develop new discrete choice tools to learn about the welfare benefits of providing a voucher of a given amount, as measured by the average willingness to pay for that voucher , and these benefits net of the costs of providing that voucher.