'On Prima Facie Obligations and Nonmonotonicity', Journal of Philosophical Logic, Volume 36(5), October 2007, pp 599-604.
'Internalism and Accidie', Philosophical Studies, Volume 129(3), June 2006, pp 517-43.
‘Why Internalists about Reasons for Action Should be Humeans about Motivation’, forthcoming in Charles Pigden (ed.) Hume, Motivation, and Virtue (Palgrave Macmillan).