TY  - BOOK
AU  - Waldfogel,Joel
TI  - Preference externalities : an empirical study of who benefits whom in differentiated product markets
AV  - HF5415.32 W342P
PY  - 1999///
CY  - Cambridge, Mass.
PB  - National Bureau of Economic Research
KW  - COMSUMERS' PREFERENCES
KW  - RESEARCH
ER  -