“Religious Conversion in 40 Countries”
with Robert Barro and Jason Hwang
Journal for the Scientific Study of Religion, March 2010

“A Market Approach to the Rise of the Geluk School in Tibet, 1419-1642″
with Leonard van der Kuijp
Journal of Asian Studies, 69,1,2010

“Private Voluntary Organizations Engaged in International Assistance, 1939-2004″
with Robert Barro
Nonprofit and Voluntary Sector Quarterly 37, 2, 2008

“Religion and Economic Development: A Two-way Causation”
Policy Review 148, April – May 2008

“Religion and Political Economy”
The Review of Faith & International Affairs, Spring, 2007

“Salvation, Damnation, and Economic Incentives”
Journal of Contemporary Religion, January 2007

“Religion and Political Economy in an International Panel”
with Robert Barro
Journal for the Scientific Study of Religion, June 2006

“Religion and Economy”
with Robert Barro
Journal of Economic Perspectives, Spring 2006

“Which Countries Have State Religions?”
with Robert Barro
Quarterly Journal of Economics, November 2005

“Religion and Economic Growth”
with Robert Barro
Milken Institute Review, April 2004)

“Religion and Economic Growth Across Countries”
with Robert Barro
American Sociological Review, October 2003

“Guatemala’s Postwar Prospects”
Journal of Democracy, April 1997

“Guatemala: Jump-Starting a Nation”
Crosslines, January 1997

“Peace of Change?”
Hemisfile, January/February 1997

“Guatemala: Expectations for Peace”
Current History, February 1996

“Guatemala: Negotiating Peace to Foster Democracy”
Boletin Electoral Latinoamericano, January-June 1995

“The International Community’s Claim to Rights in Brazilian Amazonia”
Political Studies, 1991

“Conscientia and Christian Collective Acts”
Quarterly Review, Fall 1985