Knowledge for earnings’ sake

Knowledge for earnings’ sake - Oct 12th 2013 The Economist  

Good teachers have a surprisingly big impact on their pupils’ future income

_{Sources
"Measuring the impacts of teachers I: evaluating bias in teacher value-added estimates", Raj Chetty, John Friedman, and Jonah Rockoff, NBER working paper 19423, September 2013
"Measuring the impacts of teachers II: teacher value-added and student outcomes in adulthood", Raj Cheety, John Friedman, and Jonah Rockoff, NBER working paper 19424, September 2013.}