Labor Market Performance in Belize, TECHNICAL NOTE, No. IDB-TN-608, Inter-American Development Bank  2014

Free Trade, Oxford Companion to International Relations (2014)

Remembering Emma Lazarus, Society, (March/April 2010).

What's the Big Idea? The Third Generation of Policies for Economic Growth with Lant Pritchett, Economia (Fall 2002).

Does Indonesia Have a 'Low Pay' Civil Service? with Deon Filmer, Bulletin of Indonesian Economic Studies (2001).

Why Not Africa? with Richard Freeman, NBER Working Paper No. W6942 (February 1999).


Economics of Development 7th ed. with Dwight Perkins, Steven Radelet, and Steven A. Block, Norton (2012)

Economics of Development 6th ed. with Dwight Perkins and Steven Radelet, Norton (2006).

AIDS and South Africa edited with Kyle Kauffman, Palgrave Macmillan (2004).

The Strains of Economic Growth: Labor Unrest and Social Dissatisfaction in Korea, Harvard Institute for International Development and Korea Development Institute (March 1997).