The Impact of Changing Rainfall Variability on Resource-Dependent Wealth Dynamics
Christopher B. Barrett, Paulo Santos
Ecological Economics, vol. 105, 2014, p. 48-54.

Persistent Poverty and Informal Credit
Paulo Araújo Santos, Christopher B. Barrett
Journal of Development Economics, vol. 96, 2011, p. 337-347.

Identity, Interest and Information Search in a Dynamic Rural Economy
Paulo Araújo Santos, Christopher B. Barrett
World Development, vol. 38, 2010, p. 1788-1796.