http://eml.berkeley.edu//~saez/saez-UStopincomes-2012.pdf http://eml.berkeley.edu//~saez/saez-UStopincomes-2012.pdf That is the first i found. But it is somewh

http://eml.berkeley.edu//~saez/saez-UStopincomes-2012.pdf http://eml.berkeley.edu//~saez/saez-UStopincomes-2012.pdf That is the first i found. But it is somewhat dated.