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All findings, interpretations, and conclusions of this paper represent the views of the author(s) and not those of the Wharton School or the Pension Research Council. © 1999 Pension Research Council of the Wharton School of the University of Pennsylvania. All rights reserved.
The author wishes to thank without implicating Gary Fields, Michael Leonesio, Olivia Mitchell, and Steven Sandell for helpful comments and discussions about this chapter.
Date Posted: 26 February 2020