On May 3, I received an email from Professor Raj Chetty of Harvard University, informing me that his famous paper on value-added assessment of teachers was being published by the American Economic Review. The paper has three authors: in addition to Chetty, the other authors include John Friedman and Jonah Rockoff, also at Harvard. When … Continue reading Raj Chetty, VAM, Audrey Amrein-Beardsley, and Me