23 IZA Discussion Papers
IZA Discussion Paper No. 2490
IZA Discussion Paper No. 1287
What Accounts for International Differences in Student Performance? A Re-Examination Using PISA Data
published in: Empirical Economics, 2007, 32 (2-3), 433-464
IZA Discussion Paper No. 745
published in: German Economic Review, 2005, 6 (3), 331-353
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