Skip to main content
. Author manuscript; available in PMC: 2021 Aug 1.
Published in final edited form as: Sociol Methodol. 2019 Aug 2;50(1):350–385. doi: 10.1177/0081175019862593

Table 4:

Estimated Returns to One Year of College

Parametric (Normal) Semiparametric
Building Block MTE(x, u) MTE˜(p,u) MTE(x, u) MTE˜(p,u)
ATE 0.066
(0.038)		 0.066 (0.038) 0.082
(0.041)		 0.082
(0.041)
TT 0.139
(0.035)		 0.142
(0.035)		 0.165
(0.048)		 0.167
(0.049)
TUT −0.006
(0.067)		 −0.009
(0.067)		 0.000
(0.067)		 0.000
(0.061)
MPRTE
λ(p) = α 0.066
(0.038)		 0.065
(0.039)		 0.084
(0.041)		 0.083
(0.041)
λ(p) = αp 0.061
(0.050)		 0.050
(0.048)
λ(p) = α(1 − p) 0.068
(0.033)		 0.116
(0.042)
λ(p)=αI(p<0.3) 0.080
(0.035)		 0.155
(0.055)

Note: ATE=Average Treatment Effect; TT=Treatment Effect of the Treated; TUT=Treatment Effect of the Untreated; MPRTE=Marginal Policy-Relevant Treatment Effect. Numbers in parentheses are bootstrapped standard errors (250 replications).