In this book Eric Hanushek and Ludger Woessmann make a simple, central claim, developed with rigorous theoretical and empirical support: knowledge is the key to a country’s development. Of course, every country acknowledges the importance of developing human capital, but Hanushek and Woessmann...

"Around the turn of the 21st century, new social policies started to develop all around the world. Bolsa Familia in Brazil, Progresa in Mexico, Superémonos in Costa Rica, Juntos in Peru... almost all Latin American countries have developed "conditional cash transfers" (CCTs), a new type of...