Richard Layard
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Richard Layard,
L. Maglen,
R. Layard,
1970
.
Richard Layard,
Stephen Glaister,
1994
.
John Parker,
Richard Layard,
R. Layard,
1996
.
Richard Layard,
Michael Oatey,
R. Layard,
1973
.
Richard Layard,
R. Layard,
R. Jackman,
1991
.
Richard Layard,
R. Layard,
G. Psacharopoulos,
1974,
Journal of Political Economy.
Richard Layard,
Stephen Nickell,
R. Layard,
2005
.
Richard Layard,
Bruce Laidlaw,
R. Layard,
1974
.
Robert Metcalfe,
Richard Layard,
Paul Dolan,
2011
.
Richard Layard,
R. Layard,
R. Jackman,
1982
.
Richard Layard,
R. Layard,
2012
.
Richard Layard,
Roz Shafran,
David M. Clark,
2013,
Behaviour research and therapy.
Richard Layard,
R. Layard,
2012
.
Richard Layard,
R. Layard,
2003
.
Richard Layard,
Jeffrey D. Sachs,
John F. Helliwell,
2016
.
Richard Layard,
R. Layard,
J. Symons,
1984
.
Richard Layard,
R. Layard,
2006,
BMJ : British Medical Journal.
David Metcalf,
Richard Layard,
Stephen Nickell,
1978
.
Richard Layard,
R. Layard,
1980
.
Richard Layard,
R. Layard,
2003
.
Richard Layard,
D. M. Clark,
R. Layard,
2009,
Behaviour research and therapy.
Richard Layard,
Stephen Nickell,
R. Layard,
1986
.
Richard Layard,
R. Layard,
1977
.
Richard Layard,
R. Layard,
2010,
Science.
Richard Layard,
R. Layard,
1999
.
Richard Layard,
Stephen Nickell,
1994
.