Is Spanish-Only Schooling Responsible for the Puerto Rican Language Gap?
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Between 1898 and 1948, English was the language of instruction for most post-primary grades in Puerto Rican public schools. Since 1949, the language of instruction in all grades has been Spanish. We use this policy change to estimate the effect of English-intensive instruction on the English
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美国国家经济研究局创建时间：
2006-02-01
