“Ethnic and Religious Diversity and Corruption”, Economics Letters, 2008, 99(1), 98-102.
“Determinants of Public Service Employee Corruption: A Conceptual Model from the Psychological Contract Perspective” with Russell P.J. Kingshott, Journal of Industrial Relations, 2008, 50(1), 69-85.
“The Effects of Property Rights on Economic Performance”, Applied Economics, 2007, 39(7), 825-837.
“Predation, Protection, and Accumulation: Endogenous Property Rights in an Overlapping Generations Growth Model” with Christopher J. Ellis, International Tax and Public Finance, 2005, 12(4), 435-455.