With an estimated 724 million extreme poor people living in developing countries, and the world's demographics bifurcating into an older North and a younger South, there are substantial economic incentives and benefits for people to migrate. There are also important market and regulatory...

Social protection systems in Latin America have been transformed in the past two decades. Until the 1980s, those who were not covered by the social security arrangements available primarily in the urban formal sector received little public assistance beyond universal subsidies for some food or...