Richard Robb
发表
J. Heckman,
Richard Robb,
1985
.
H. Frydman,
Richard Robb,
A. Robertson,
2017
.
James J. Heckman,
Richard Robb,
J. Heckman,
1985
.
Alternative methods for solving the problem of selection bias in evaluating the impact of treatments
James J. Heckman,
Richard Robb,
J. Heckman,
1986
.
Richard Robb,
2013
.
James J. Heckman,
J. Heckman,
Richard Robb,
1985
.
Richard Robb,
2009
.
J. Heckman,
Richard Robb,
1986
.
James J. Heckman,
J. Heckman,
James R. Walker,
1990
.
Richard Robb,
2013
.
R. Scott Pfeifer,
Rick Robb,
Richard Robb,
2001
.