MAP20110035389 Yuh, Yoonkyung Assessing adequacy of retirement income for U.S. households : a replacement ratio approach / Yoonkyung Yuh En: Geneva papers on risk and insurance : issues and practice. - Geneva : The Geneva Association, 1976- = ISSN 1018-5895. - 01/04/2011 Tomo 36 Número 2 - 2011