His books include Democracy and Decision: The Pure Theory of Electoral Preference (with Geoffrey Brennan); Politics and Process: New Essays in Democratic Thought (edited with Geoffrey Brennan); and Persons, Rights, and the Moral Community.

He is the recipient of the Matchette Prize, and he has held appointments at the National Endowment of the Humanities, Center for the Study of Public Choice, Australian National University and Bowling Green State University's Social Philosophy and Policy Center.