James R. Walker
发表
J. Kennan,
James R. Walker,
John Kennan,
2003
.
James L. Powell,
Whitney K. Newey,
W. Newey,
1990
.
James J. Heckman,
J. Heckman,
James R. Walker,
1987
.
James J. Heckman,
J. Heckman,
James R. Walker,
1990
.
John Kennan,
James R. Walker,
2003
.
James J. Heckman,
V. Joseph Hotz,
J. Heckman,
1985
.
Michael W. Horrigan,
James R. Walker,
R. Datta,
2001
.
James R. Walker,
T. Aronsson,
1997
.
James R. Walker,
2011
.
J. Heckman,
James R. Walker,
James J. Heckman,
1989,
Journal of the American Statistical Association.
James R. Walker,
2020
.
James R. Walker,
John Kennan,
2013
.
James R. Walker,
John Kennan,
2012
.
James R. Walker,
T. Aronsson,
B. Holmlund,
2008
.
James R. Walker,
J. Holley,
M. Brady,
2020,
Journal of the American College of Emergency Physicians open.
James R. Walker,
John Kennan,
2000
.
James R. Walker,
1990
.
James R. Walker,
1992
.
James R. Walker,
1995
.
James R. Walker,
1994
.
James R. Walker,
James P. Smith,
F. Stafford,
2003,
The Journal of Human Resources.
James R. Walker,
John Kennan,
2010,
Journal of econometrics.
James R. Walker,
1995
.
J. Heckman,
James R. Walker,
1989,
Journal of the American Statistical Association.
James R. Walker,
1996
.