TY  - BOOK
AU  - Lafortune, Jeanne
AU  - Tessada, Jose 
AU  - Lewis, Ethan
ED  - National Bureau of Economic Research
TI  - People and machines : : A Look at the evolving relationship between capital and skill in manufacturing 1860-1930 using immigration shocks / 
T2  - NBER Working Paper
PY  - 2015///
CY  - Cambridge
PB  - NBER
KW  - NBERWP 21435
KW  - E15241.pdf
UR  - http://elibrary.igidr.ac.in/e-library/working papers/NBER/2015/E15241.pdf
ER  -