- Author: Eric A. Hanushek, Paul E. Peterson, Ludger Woessmann, Lawrence H. Summers
- Language: English
- Year: 2013
- Author: Eric A. Hanushek, Ludger Woessmann
- Language: English
- Year: 2015
- Author: edited by Oliver Falck Christian Gollier and Ludger Woessmann
- Language: English
- Year: 2011
- Author: Oliver Falck Christian Gollier Ludger Woessmann
- Language: English
- Year: 2011
- Author: Ludger Woessmann Paul E. Peterson
- Language: English
- Year: 2007