'Group Identity and Leading-by-Example' (with Daniele Nosenzo), Journal of Economic Psychology, In Press
'Signaling without a common prior: Results on experimental equilibrium selection' (with Wieland Müller and Alex Possajennikov), Games and Economic Behavior (2012), vol. 74(1), pp. 102-119.
'Framing and Free Riding: Emotional Responses and Punishment in Social Dilemma Games' (with Robin Cubitt and Simon Gächter), Experimental Economics (2011), vol. 14(2), pp. 254-272.
'Moral Judgements in Social Dilemmas: How Bad is Free Riding?' (with Robin Cubitt, Simon Gächter and Ruslan Kabalin), Journal of Public Economics (2011), vol. 95(3-4), pp. 253-264.
'Gaining Power through Enlargement: Strategic Foundations and Experimental Evidence' (with Maria Montero and Martin Sefton), Games and Economic Behavior (2010), vol. 69(1), pp. 274-292.