This paper considers the statistical and economic justification for one widely-used method of adjusting data from social experiments to account for dropping-out behavior due to Bloom (1984). We generalize the method to apply to distributions not just means, and present tests of the key...

This paper examines the economic foundations of some recently proposed criteria for evaluating the benefits of social programs. These criteria are appropriate for comparing a class of revenue-constant policies. They replace foundational principles of social opportunity costs with accounting...