1. Mostly Harmless Econometrics: An Empiricist’s Companion;Angrist,2009
2. “Will hagwon curfew work?” The Korea Times;Bae,2009
3. How much should we trust differences-in-differences estimates?;Bertrand;Q. J. Econ.,2004
4. Cultural reproduction and social reproduction;Bourdieu,1973
5. The Shadow Education System: Private Tutoring and Its Implications for Planners;Bray,1999