Ludger Woessmann Editor & Author

Eric Hanushek is the Paul and Jean Hanna Senior Fellow in Education at the Hoover Institution, Stanford University, USA.

Paul E. Peterson is the Henry Lee Shattuck Professor of Government and director of the Program on Education Policy and Governance at Harvard University, USA and a senior fellow at the Hoover Institution.

Ludger Woessmann is a professor of economics at the University of Munich, Germany.