← Search American Economic Review Vol. 88 No. 2 1998 Social Security: Privatization and Progressivity Laurence J. Kotlikoff; Kent A. Smetters; Jan Walliser Volume88 Issue2 Pages137-141 Sources bibtex:phds-export.bib Cite APA 7 MLA 9 Chicago (author–date) Harvard Elsevier Harvard (JFE, JBF…) The Accounting Review Academy of Management American Marketing Association INFORMS (Management Science) Copy citation Copied ✓