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...

We use estimates of the effect of educational achievement - measured by international student achievement tests - on economic growth to simulate the impact of improved achievement for individual EU countries and the EU as a whole. We calculate the present value of improvements in GDP over the...