Department of Economics and Business Economics

Is full annuitization socially optimal?

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A seminal result Yaari holds that all pension savings should be in life-annuities. Annuities offer a higher return than standard assets and diversify mortality risk and therefore it is individually optimal to save in annuities only. This is a cornerstone result in the pensions literature where many attempts have been made to explain that individual savings in annuities is very low, the socalled annuity puzzle. But is the result that all pension savings should be in life-annuities also socially optimal? We show in a standard setting with fair annuities and dynamic efficiency that full annutization of all pensions saving is not socially optimal. Less than full annutization implies unintentional bequests and thus transfers from the old to the young, which is welfare improving under dynamic efficiency. Further, we show that no annutization can implement the Golden Rule capital stock level and analyse whether some annutization is socially optimal using a numerical analysis, which shows that it is the case under a wide range of parameter constellations.

Original languageEnglish
JournalJournal of Economics/ Zeitschrift fur Nationalokonomie
Volume135
Issue2
Pages (from-to)199-217
Number of pages19
ISSN0931-8658
DOIs
Publication statusPublished - Mar 2022

Bibliographical note

Publisher Copyright:
© 2021, The Author(s), under exclusive licence to Springer-Verlag GmbH Austria, part of Springer Nature.

    Research areas

  • Annuitization, Annuity markets, Dynamic efficiency, Mortality risk, Overlapping generations, Welfare

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