My research is focused on moral and political philosophy. I also have an interest in related parts of continental philosophy and the philosophy of the social sciences, and in meta-ethics. I have written two books. Collective Rationality and Collective Reasoning (Cambridge University Press, 2001) develops a theory of rational cooperation and employs it to consider how reasoning can be a cooperative activity and how, when it is, it can facilitate cooperation to achieve further goals. Authority and Democracy: A General Theory of Government and Management (Princeton University Press, 1994) argues that government and management form a single, integrated system of social authority, and that we need a similarly integrated political theory of the legitimacy of this authority. More recently, I have published papers on Jürgen Habermas's discourse ethics, on republican political theory and on shared agency (doing something together).

Selected Bibliography

BOOKS

• Authority and Democracy: A General Theory of Government and Management (Princeton University Press, 1994)
• Collective Rationality and Collective Reasoning (Cambridge University Press, 2001).

ARTICLES

• "Why There is No Issue Between Habermas and Rawls," The Journal of Philosophy, March 2002.
• "Two Modes of Collective Belief," Protosociology 18/19, 2003.
• "The Indeterminacy of Republican Policy," Philosophy and Public Affairs, January 2005.
• "Shared Agency and Rational Cooperation," Nous, June 2005.
• "Pettit on Collectivizing Reason," Social Theory and Practice, July 2005.

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