Better LATE Than Nothing: Some Comments on Deaton (2009) and Heckman and Urzua (2009)
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Two recent papers, Deaton (2009), and Heckman and Urzua (2009), argue against what they see as an excessive and inappropriate use of experimental and quasi-experimental methods in empirical work in economics in the last decade. They specifically question the increased use of instrumental variables
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美国国家经济研究局创建时间：
2009-04-01
