About a dozen countries in Latin America have enacted reforms that include elements being contemplated elsewhere, including the partial privatization of social security. It is not easy to draw universal lessons for social security reform from the experience of countries such as Argentina, Chile,...

As global extreme poverty has fallen-by one measure, from close to 2 billion people in 1990 to about 700 million today-the world has learned about antipoverty strategies that work. These experiences should inform the final push to end extreme poverty. In the 1960s and 1970s, when close to half...

Since we introduced the term "middle-income trap" in 2006, it has become popular among policy makers and researchers. In May 2015, a search of Google Scholar returned more than 3,000 articles including the term and about 300 articles with the term in the title. This paper provides a...