VITA

The author of this monograph, Edward Ewing Pratt,
was born at Streator, 111., in 1886. He received his ele¬
mentary training in the public schools of tliat city and at
the Oberlin Academy, Oberlin, Ohio. His college work
with the exception of one summer at the University of Chi¬
cago was done in Oberlin College, from which he received
the degree of A. B. in 1906.

In 1906-7 he held the George Foster Peabody Fellow¬
ship in Economics and Sociology at Tulane University,
New Orleans, La., and received the degree of M. A. from
that institution in 1907. He was University Scholar in
Economics at Columbia University in 1907-8; Junior
Fellow in the Bureau of Social Research, Russell Sage
Foundation, 1908-9, and at the same time Honorary Scholar
in Social Economy at Columbia University. He graduated
from the New York School of Philanthropy in 1909. He
held a Senior Fellowship in the Bureau of Social Research
in 1909, and resigned to accept a Lectureship in Statistics
at the New York School of Philanthropy. He now holds
the position of Assistant Professor of Economics and Sta¬
tistics at the New York School of Philanthropy.

In economics and allied subjects, the author has studied
under Professors Ernest L. Bogart and A. B. Wolfe, of
Oberlin College; William Hill, of the University of Chi¬
cago; Morton A. Aldrich, of Tulane University; J. B.
Clark, E. R. A. Seligman, H. L. Moore, H. R. Seager.
E. T. Devine, S. M. Lindsay. John W. Burgess and Frank-