TY  - BOOK
AU  - Chrystal K Alec
AU  - Lipsey, Richard G
TI  - Introduction to positive economics
SN  - 0194424545
U1  - 330 
PY  - 1995///
CY  - Pren
PB  - ELBS with Oxford universtity
KW  - Demand
KW  - distribution
KW  - Supply
ER  -