TY  - RPRT
A1  - Kopczuk, W.
A1  - Saez, E.
A1  - Song, J. 
T1  - Uncovering the American Dream: Inequality and Mobility in Social Security Earnings Data since 1937
Y1  - 2007
PB  - National Bureau of Economic Research
IS  - NBER Working Paper 13345

ER  -