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The effect of Protestantism on education before the industrialization : evidence from 1816 Prussia
Becker, Sascha O.; Woessmann, Ludger - In: Economics letters 107 (2010) 2, pp. 224-228
Persistent link: https://www.econbiz.de/10003991943
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Sample selectivity and the validity of international student achievement tests in economic research
Hanushek, Eric Alan; Woessmann, Ludger - In: Economics letters 110 (2011) 2, pp. 79-82
Persistent link: https://www.econbiz.de/10009241694
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Coping with change : international differences in the returns to skills
Hanushek, Eric Alan; Schwerdt, Guido; Wiederhold, Simon; … - In: Economics letters 153 (2017), pp. 15-19
Persistent link: https://www.econbiz.de/10011810521