“The Collapse of the Soviet Union and the Productivity of American Mathematicians" (pdf),
The Quarterly Journal of Economics, forthcoming August, 2012.
with George Borjas
Other versions: NBER Working Paper #17800
Press Features: Science (Appeared in Volume 335, Number 6070, Issue of 17 February 2012),
Science Careers Magazine, (Appeared in issue for March 02, 2012),
Inside Higher Ed, Wall Street Journal Blog
“Human Capital Externalities in Knowledge Production: The Relative Importance of Collaborational,
Geographic and Intellectual Distance”
(work in progress)
with George Borjas
“High-Skill Immigration, Employment, and Wages”
(work in progress)
with Alexander Gelber and Adam Isen”
“How Does Child Labor Affect the Demand for Adult Labor? Evidence from Rural Mexico” (pdf),
Revision Requested at the Journal of Human Resources, (this draft: November, 2011)
“Wages, Daily Income Goals and Daily Labor Supply” (pdf)
(this draft: September, 2010)
A version of this paper was circulated previously as “Reference Points, Expectations,
and
Heterogeneous Daily Labor Supply”
“A Shred of Credible of Evidence on the Long Run Elasticity of Labor Supply”
Economica , Volume 77, Issue 308, pages 637–650, October 2010.
with Orley Ashenfelter and Bruce Schaller
Other versions: NBER Working Paper #15746 (pdf), IZA Discussion Paper_4810 (pdf), IRS Working Paper_551