TY  - BOOK
AU  - Acemoglu, Daron
AU  - Dell Melissa
AU  - National Bureau Of Economic Research
TI  - Productivity differences between and within countries
PY  - 2009///
CY  - Cambridge
PB  - NBER
UR  - http://elibrary.igidr.ac.in/e-library/working papers/NBER/2009/E1312.pdf
ER  -