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, and 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)

Pentecostal Healing (with Jorg Stolz), in progress