Reverse mortgages for managing longevity risk in Korea

Jaehwan Yang, Yoonkyung Yuh

Research output: Contribution to journalArticlepeer-review


This study examines how longevity risk can be alleviated by using reverse mortgage loan system in Korea, Joo-Taek-Yeon-Keum (JTYK). We compare the expected utility value of JTYK borrowers during retirement with that of non-JTYK borrowers, and identify characteristics of groups earning the greatest benefits from the JTYK. The results imply that it is especially beneficial for homeowners aged 67 and older, and its benefit increases if the bequest value is included. We also calculate the Moneys Worth Ratio (MWR) of the JTYK, and show that MWRs increase as the opt-in age increases if the bequest is considered as financial gain.

Original languageEnglish
Pages (from-to)21-40
Number of pages20
JournalHitotsubashi Journal of Economics
Issue number1
StatePublished - 2019


  • Bequest JEL Classification Codes: C61
  • D14
  • Expected utility function
  • G22
  • Longevity risk
  • Optimization
  • Reverse mortgage


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