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Substitution and Dropout Bias in Social Experiments: A Study of an Influential Social Experiment
James Heckman, Neil Hohmann, Jeffrey Smith and Michael KhooVolume:
115
Language:
english
Journal:
The Quarterly Journal of Economics
DOI:
10.2307/2587006
Date:
May, 2000
File:
PDF, 2.90 MB
english, 2000