Ethical theory: Contractarian ethics, moral epistemology, and evolutionary game theory.
1. The Atheist’s Primer (Broadview, 2009).
2. The Moral Wager: Evolution and Contract (Springer, 2007).
3. Liberty, Games and Contracts (editor) (Ashgate, 2007).
4. Critical Reflection (with Nebojsa Kujundzic) (McGill-Queen’s, 2005).
5. "Rational Choice and Evolutionary Fit," in David Chan (ed.) Moral Psychology Today: Essays on Values, Rational Choice, and the Will (Springer (2008), ch. 13.
6. "Concerned Parties: When Lack of Consent is Irrelevant," Public Affairs Quarterly, 18/2 (2004): 125-140.
7. "A Dialogue on Freedom and Community," (with Doug Mann), reprinted in Douglas Mann and G. Elijah Dann (eds.) Philosophy - An Introductory Reader for the New Millennium (Wadsworth, 2004), chapter 9.
8. "A Catalogue of Mistaken Preferences: Reflections on the Desired and the Desirable," International Journal of Philosophical Studies, 11/1 (2003): 1-23.