1. “Latin America: Toward an old and decreasing population?;Chackiel;Papeles de Población,2006
2. CELADE. 2009 “Data on population estimates and projections,” http://www.eclac.cl/celade/proyecciones/basedatos_BD.htm
3. “From transfers to individual responsibility: Implications for savings and capital accumulation in Taiwan and the United States;Lee;Scandinavian Journal of Economics,2003
4. “Charting the economic lifecycle: Population aging, human capital accumulation, and productivity growth;Lee;Population and Development Review,2008