TY  - BOOK
AU  - Costinot, Arnaud
AU  - Donaldson, Dave
ED  - National Bureau of Economic Research
TI  - How large are the gains from economic integration? : : Theory and evidence from U.S. agriculture, 1880-1997 
T2  - NBER Working Paper ; 
PY  - 2016///
CY  - Cambridge
PB  - NBER
KW  - NBERWP 22946
KW  - E18664.pdf
UR  - http://elibrary.igidr.ac.in/e-library/working papers/NBER/2016/E18664.pdf
ER  -