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Megan Beckett, Julie Da Vanzo, Narayan Sastry, Constantijn Panis, Christine Peterson, The Quality of Retrospective Data: An Examination of Long-Term Recall in a Developing Country, The Journal of Human Resources, Vol. 36, No. 3 (Summer, 2001), pp. 593-625
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Beckett et al. (2001) studied this question.
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