Discussion paper DP13549 Which Sanctions Matter? Analysis of the EU/Russian Sanctions of 2014 Matěj Bělín Jan Hanousek 25 Feb 2019 International Trade and Regional Economics C01 C23 F14
Discussion paper DP6895 The Effects of Remedial Mathematics on the Learning of Economics: Evidence from a Natural Experiment Johan Lagerlof Andrew Seltzer 4 Jul 2008 Public Economics A22 I20