RT Book
T1 A note on estimating treatment effects
T2 Institute for Research on Poverty reprint series
JF Institute for Research on Poverty reprint series
A1 Gottschalk, Peter T.
LA English
PP Madison
PB Univ. of Wisconsin
YR 1981
UL https://krimdok.uni-tuebingen.de/Record/1090760655
NO Aus: American economic review 9, 1981