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Exchange Option Pricing Approach to Deposit Insurance Premium for Korean Life Insurance

  • Journal of Insurance and Finance
  • 2019, 30(2), pp.55-81
  • DOI : 10.23842/jif.2019.30.2.002
  • Publisher : Korea Insurance Research Institute
  • Research Area : Social Science > Business Management
  • Received : December 11, 2018
  • Accepted : May 16, 2019
  • Published : May 31, 2019

Sung Jooho 1 KIM DAEHWAN ORD ID 2 Dong-Hwa Lee 1

1경희대학교
2동아대학교

Accredited

ABSTRACT

This paper aims to investigate the risk-based premium rates of the Korea Deposit Insurance Corporation (KDIC), particularly focusing on life insurance firms. To accomplish this, we employ the exchange option model based on the assumption that assets and liabilities follow lognormal diffusion processes. Further, we incorporate the discount rate of expenses based on a purchase-and-assumption to consider the characteristics of the life insurance sector. To estimate premium rates between 2010 and 2017, we use the empirical data of Korean life insurance firms and asset indexes from 2000 to 2016. The result provides evidence that life insurance companies in Korea have been generally charged higher premium rates than they should be charged. The result also shows that most of the healthy life insurance companies aid a smaller number of risky companies in Korea. Finally, our result indicates that premium rates tend to be more sensitive to correlation between assets and liabilities under capital deficiencies.

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