Downside Risk and Portfolio Diversification in the Euro-Zone Equity Markets with Special Consideration of the Crisis Period 3.33
Tengdong Liu, Shawkat Hammoudeh, Paulo Araújo Santos
Journal of International Money and Finance, vol. 44, 2014, p. 47-68.

Persistent Poverty and Informal Credit 18.75
Paulo Araújo Santos, Christopher B. Barrett
Journal of Development Economics, vol. 96, 2011, p. 337-347.