TY  - BOOK
AU  - O'Sullivan,Arthur
AU  - Sheffrin,Steven M.
TI  - Economics: principles in action 
SN  - 9780131334832 (hbk)
PY  - 2003///
CY  - Boston
PB  - Pearson Prentice Hall
KW  - Economics
KW  - Study and teaching
KW  - Programmed instruction
KW  - Case studies
N1  - "In association with The Wall Street Journal.&quot
ER  -