Iain McLean is official fellow in Politics at Nuffield College, Oxford, and Professor of Politics at the University of Oxford. He has held visiting appointments at Stanford and Yale. His books include Public Choice (1987) and Rational Choice and British Politics (2001). His varied research interestscover the history of social choice, the properties of electoral systems, the political economy of the Enlightenment, and UK public policy. Alistair McMillan is a Research Officer working at Nuffield College, Oxford. He has carried out research on British and Indian politics, focusing on elections and voting behaviour.