How progressive is the U.S. federal tax system?
Subtitle: a historical and international perspective
By: Thomas Piketty, Emmanuel Saez.
Contributors: Saez, Emmanuel.; National Bureau of Economic Research.
Series: NBER working paper series -- no. 12404.; Working paper series (National Bureau of Economic Research) -- working paper no. 12404.
Publisher: National Bureau of Economic Research
Published: 2006
Place of publication: Cambridge, Mass
Language: eng
Number of pages: 33
Subjects: Taxation -- United States -- Rates and tables -- Mathematical models; Taxation -- Great Britain -- Rates and tables -- Mathematical models; Taxation -- France -- Rates and tables -- Mathematical models
Notes: "July 2006."

Includes bibliographical references.

Also available in PDF from the NBER world wide web site (www.nber.org).