TY  - BOOK
AU  - Romer, Paul M
AU  - National Bureau Of Economic Research
TI  - Why, indeed, in America? Theory, history, and the origins of modern economic growth
T2  - NBER working paper series
U1  - WP 5443 
PY  - 1996///
CY  - Cambridge, MA
PB  - NBER
ER  -