- paper Climate Change, Crop Yields, and Internal Migration in the United States (via Matthew E. Kahn)
- Nice instrument to have in a band
- The Jobless Rate for People Like You
- How child-mortality rates have changed since 1970
- The State of the African Cities Report 2008 (UN-HABITAT)
- International Seminar on 'Measuring Urbanity' (Lisbon, May 7th-12th, 2012)
- Exploring the debate over contraception and health care in the US