biography Before coming to King’s College London, Dr Alvarez was a lecturer at the University of Southampton, having previously taught at the universities of Oxford and Reading. Maria is also a member of the Executive Committee of the British Philosophical Association. Her research interests include the philosophy of action, including the metaphysics and explanation of actions, reasons for action, agent causation, and the problem of free will and moral responsibility. editorial note The following paper is a draft version that can only be cited with the author’s permission. The final paper will be published in Proceedings of the Aristotelian Society, Issue No. 1, Volume CXIII (2013). Please visit the Society’s website for subscription information: www.aristoteliansociety.org.uk.