TY  - BOOK
AU  - Helpman, Elhanan
TI  - General purpose technologies and economic growth
SN  - 0-262-08263-2
U1  - 338.9/HEL 
PY  - 1998///
CY  - Cambridge
PB  - MIT Pr
KW  - Economic development
KW  - Technological innovations--Economic aspects
KW  - Economic development and policy
KW  - Economics
ER  -