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John D. Black
John
Donald Black
was an
American
economist
. He was a
professor
of
economics
at
University of Minnesota
from 1918 to
1927
, and then from 1927 to
1956
at
Harvard University
.
Black
was one of the
authors
of the
Agricultural Adjustment Act
. He was also
president
of the
American Economic Association
in
1955
. Black
died
at a
Boston
hospital
in
1960
.