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Using Selection on Observed Variables to Assess Bias from Unobservables When Evaluating Swan-Ganz Catheterization
Altonji, Joseph G., (2008)
An Evaluation of Instrumental Variable Strategies for Estimating the Effects of Catholic Schooling
Altonji, Joseph G., (2005)
Selection on observed and unobserved variables : assessing the effectiveness of catholic schools
Altonji, Joseph G., (2000)