TY  - BOOK
AU  - Lipsey, Richard G., Richard George
TI  - An introduction to positive economics
SN  - 0297795554
U1  - 330 
PY  - 1989///
CY  - London
PB  - Weidenfeld and Nicolson
KW  - Economics
N1  - HISTORY: Previous ed.: 1983 Previous ed.: 1983
ER  -