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Agnostic Notes on Regression Adjustments to Experimental Data: Reexamining Freedman's Critique
Analysis of covariance covariate adjustment randomization in-ference sandwich estimator robust standard errors social experiments program evalua-tion
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2012/9/17
Freedman [Adv. in Appl. Math.40(2008) 180–193; Ann. Appl.Stat.2(2008) 176–196] critiqued ordinary least squares regression ad-justment of estimated treatment effects in randomized experiments,using Ne...
Reexamining the Returns to Training: Functional Form, Magnitude, and Interpretation
Reexamining Training Functional Form
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2016/3/4
We investigate the functional form for formal training in a wage equation and derive estimates of its rate of return. The cube root fits best in our two data sets. We show that if wages are not adjust...