Title:Supplementary health insurance in the Colombian managed care system : ¿adverse or advantageous selection? / Aseguramiento voluntario en el Sistema de Salud de Colombia : ¿Selección adversa o ventajosa?
Title:Building a culture of accountability in service delivery: an overview of results of the GDN project on Varieties of Governance in Service Delivery
Title:La década ganada : evolución de la clase media y las condiciones de vida en Colombia, 2002-2011 / The gained decade : the evolution of the middle class in Colombia between 2002 and 2011