Using Selection on Observed Variables to Assess Bias from Unobservables When Evaluating Swan-Ganz Catheterization
Joseph G. Altonji, Todd E. Elder, Christopher R. Taber
American Economic Review · 2008 · Volume 98 · Issue 2
Keywords
Single Equation Models, Single Variables: Cross-Sectional Models, Spatial Models, Treatment Effect Models, Health: General
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