We define social reciprocity as the act of demonstrating one's disapproval, at some personal cost, for the violation of widely-held norms (e.g., don't free ride). Social reciprocity differs from standard notions of reciprocity because social reciprocators intervene whenever a norm is violated...

Adam Smith’s view of the proper role for government in commercial societies remains a source of debate. Here we sketch out in simple game-theoretic terms the numerous public-goods provision and externalities problems on display in particular in Book V of The Wealth of Nations. Casting these...

Game theory is a branch of social sciences that formalizes decision-making in situations where two or more individuals or groups interact, possibly having conflicting interests. In Ortmann & Walraevens (2022) we have reconstructed Smith’s ways of thinking about the social world by analyzing...