TY  - BOOK
AU  - Gentzkow, Matthew
AU  - Goldin Claudia
AU  - Glaeser Edward L
AU  - National Bureau Of Economic Research
TI  - The rise of the fourth estate: How newspapers became informative and why it mattered
T2  - NBER working papers
PY  - 2004///
CY  - Cambridge, MA
PB  - NBER
ER  -