Anti-Americanism and the Rise of World Opinion. Forthcoming with Cambridge University Press, 2014.

Slavery in Europe Part 1: Estimating the Dark Figure, with Kevin Bales. Published in Human Rights Quarterly. 

Slavery is Bad for Business, with Kevin Bales. Published in the Brown Journal of World Affairs.

Working Paper: The Economic Consequences of Anti-Americanism, Presented at the American Political Science Association meeting in Toronto, September 2009

The Decline of America's Soft Power in the United Nations, published in International Studies Perspectives, August 2009

Of Paradise, Power and Pachyderms, published in Political Science Quarterly in 2007 (with Miko Nincic)