Shared intentions and social norms If every member of a society has a common interest in moving from an existing social norm to a superior social norm, it seems intuitive that local collaborative choice by members of the society would help the process along.

However, we show that it is possible that local collaboration can hinder the adoption of a superior norm.

Coalitions, tipping points and the speed of evolution, J.Newton & S.D.Angus, University of Sydney Working Paper (2013).