Esther Duflo's PhD dissertation "from data of an Indonesian school-expansion program of the 1970s to provide the first conclusive evidence that in a developing country, more education resulted in higher wages" - any doublt or common sense? (Esther Duflo的博士学位论文“从1970年代印度尼西亚的学校扩建计划的数据中提供了第一个确凿的证据，表明在发展中国家，更多的教育会导致更高的工资” –有任何疑问或常识吗？)
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