no code implementations • 18 Feb 2023 • Lin He, Zongxia Liang, Zhaojie Ren, Yilun Song
However, the funded scheme does not completely replace PAYGO (Pay as You Go) scheme and there exist heterogeneous mixes among PAYGO, EET (Exempt, Exempt, Taxed) and individual savings in different countries.
no code implementations • 29 Dec 2022 • Guohui Guan, Zongxia Liang, Yilun Song
Furthermore, the level of ambiguity, ambiguity attitude, and risk attitude of the insurer (reinsurer) have similar effects on the equilibrium reinsurance strategy, reinsurance premium, and investment strategy.
no code implementations • 25 Oct 2022 • Guohui Guan, Zongxia Liang, Yilun Song
Explicit forms of optimal strategies are presented for CRRA, CARA and HARA utilities in the case of Gaussian SOD in a Black-Scholes financial market, which show that DM with higher ambiguity aversion tends to be more concerned about extreme market conditions with larger bias.
no code implementations • 31 Mar 2021 • Lin He, Zongxia Liang, Yilun Song, Qi Ye
In this paper, we study the individual's optimal retirement time and optimal consumption under habitual persistence.