Becoming oldest-old
Subtitle: evidence from historical U.S. data
By: Dora L. Costa, Joanna Lahey.
Contributors: Lahey, Joanna.; National Bureau of Economic Research.
Series: NBER working paper series -- no. 9933.; Working paper series (National Bureau of Economic Research) -- working paper no. 9933.
Publisher: National Bureau of Economic Research
Published: 2003
Place of publication: Cambridge, Mass
Language: eng
Number of pages: 47
Subjects: Old age; Mortality
Notes: "August 2003."

Includes bibliographical references.

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