Harvard Kennedy School
发表
R. Zeckhauser,
J. Lerner,
Seunghee Han,
2010
.
S. Stokes,
Elizabeth R. Nugent,
Lisa Anderson,
2018
.
Eric Hanushek,
William C. Gruben,
Harvard Kennedy School,
2010
.
David G. Rand,
R. Zeckhauser,
Nils Wernerfelt,
2010
.