Endogenous Group Formation through Unproductive Costs 
Review of Economic Studies, (2013), Volume 80, Issue 4, pages 1215-1236 (lead article) (with Jason Aimone, Laurence Iannaccone, & Jared Rubin)

Emergent Extremism in a Multi-Agent Model of Religious Clubs
Economic Inquiry, (2012) vol. 50(2), pages 327-347, 04.

Religion, Clubs, and Emergent Social Divides 
Journal of Economic Behavior and Organization, (2011), Volume 80, Issue 1, Pages 74-87

A Theory of Liberal Churches  
Mathematical Social Sciences, (2011), Volume 61, No. 1, pages 41-51

Accidental Atheists: An Agent-based Model of Religious Regionalism
Journal for the Scientific Study of Religion, (2007), Volume 46 (1), pages 1–16 (lead article) (with Laurence R. Iannaccone)