Publications

64.

The Finite-Horizon Reversible Investment Problem with the Constant Elasticity of Variance Model

Junkee Jeon and Takwon Kim

2026+SIAM Journal on Control and OptimizationforthcomingPDF
63.

Optimal consumption and portfolio rules with dynamic adjustment of consumption bounds

Junkee Jeon, Kexin Chen, and Hyeng Keun Koo

2026+Finance and StochasticsforthcomingPDF
62.

Finite-Horizon Consumption and Investment Problem with Loss Aversion to Consumption Changes

Junkee Jeon and Jehan Oh

2026+SIAM Journal on Financial MathematicsforthcomingPDF
61.

Working Longer, Not Harder: Target Wealth, Leisure, and Retirement

Junkee Jeon, Jongbong An, Takwon Kim

2026Finance Research LettersVolume 96, May 2026, 109756PDF
60.

Optimal Contract Design with Labor-Leisure Choice under Limited Commitment: A Free Boundary Approach

Jongbong An, Junkee Jeon, and Takwon Kim

2026Mathematics and Computers in Simulation, 239, 967-985PDF
59.

Valuation of American Maximum Exchange Rate Quanto Lookback Options

Junkee Jeon and Geonwoo Kim

2026Journal of Computational and Applied Mathematics, 478, 117234
58.

Optimal Investment under Irreversible Consumption and Locally Risk-Seeking Preferences

Seungwon Jung, Junkee Jeon, and Hyeng Keun Koo

2026Journal of Industrial and Management Optimization, 22(2), 1063-1086PDF
57.

A problem of finite-horizon optimal switching and stochastic control for utility maximisation

Zhou Yang and Junkee Jeon

2026Finance and Stochastics, 30(1), 59-118PDF
56.

Consumption, Investment, Life Insurance, and Early Retirement Decisions under Habit-Dependent Living Standards

Se Yung Bae, Junkee Jeon, and Hyeng Keun Koo

2026Quarterly Review of Economics and Finance, Volume 106, #102126PDF
55.

Optimal Portfolio and Retirement Decisions with Costly Job Switching Options

Jongbong An, Junkee Jeon, and Takwon Kim

2025Applied Mathematics and Computation, 491, 1-27, 129215PDF
54.

Optimal Consumption and Investment with a Costly Reversible Job-Switching Option

Gyoocheol Shim and Junkee Jeon

2025Mathematical Methods of Operations Research, 101, 459-506PDF
53.

Optimal Portfolio and Labor-Leisure Decisions with intolerance for declining standard of living

Jongbong An, Junkee Jeon, and Takwon Kim

2025Quantitative Finance, 25(8), 1293-1313PDF
52.

Note on Intertemporal Preference with Loss Aversion

Kyoung Jin Choi, Junkee Jeon, Hyeng Keun Koo

2025Mathematical Social Sciences, 138, 1-7, 102469
51.

Optimal Consumption and Investment with Welfare Constraints

Junkee Jeon and Minsuk Kwak

2024Finance and Stochastics, 28(2), 391-451PDF
50.

Human Capital and Portfolio Choice: Borrowing Constraint and Reversible Retirement

Junkee Jeon, Hyeng Keun Koo, and Minsuk Kwak

2024Mathematics and Financial Economics, 18(1), 113-150PDF
49.

Dynamic Asset Allocation and Consumption Ratcheting with Costs

Junkee Jeon and Jehan Oh

2024Journal of Computational and Applied Mathematics, 448, 1-17, 115966PDF
48.

A two-person zero-sum game approach for a retirement decision with borrowing constraints

Junkee Jeon, Hyeng Keun Koo, and Minsuk Kwak

2024SIAM Journal on Financial Mathematics, 15(3), 883-930PDF
47.

Variable Annuity with Surrender Options under Multi-scale Stochastic Volatility

Jeonggyu Huh, Junkee Jeon, and Kyunghyun Park

2023Japan Journal of Industrial and Applied Mathematics, 40, 1-39
46.

Horizon Effect on Optimal Retirement Decision

Junkee Jeon, Minsuk Kwak, and Kyunghyun Park

2023Quantitative Finance, 23(1), 123-148PDF
45.

Optimal Job Switching and Retirement Decision

Junkee Jeon and Kyunghyun Park

2023Applied Mathematics and Computation, 443, 127777
44.

A Model of Retirement and Consumption-Portfolio Choice

Junkee Jeon and Hyeng Keun Koo

2023Bulletin of the Korean Mathematical Society, 60(4), 1101-1129
43.

Labor Supply Flexibility and Portfolio Selection with Early Retirement Option

Junkee Jeon and Jehan Oh

2023Applied Mathematics & Optimization, 88(3), 1-50PDF
42.

Finite Horizon Portfolio Selection Problem with a Drawdown Constraint on Consumption

Junkee Jeon and Jehan Oh

2022Journal of Mathematical Analysis and Applications, 506(1), #125542
41.

Intertemporal Preference with Loss Aversion: Consumption and Risk Attitude

Kyoung Jin Choi, Junkee Jeon, and Hyeng Keun Koo

2022Journal of Economic Theory, 200(C), #105380PDF
40.

Pricing European continuous-installment currency options with mean-reversion

Junkee Jeon and Geonwoo Kim

2022North American Journal of Economics & Finance, 59(C), #101605
39.

Optimal Long-term Contracts with Disability Insurance under Limited Commitment

Kyoung Jin Choi, Junkee Jeon, Hoseok Lee, and Hsuan-Chih (Luke) Lin

2022Insurance: Mathematics and Economics, 104(C), 99-132PDF
38.

Optimal Finite Horizon Contract with Limited Commitment

Junkee Jeon, Hyeng Keun Koo, and Kyunghyun Park

2022Mathematics and Financial Economics, 16(2), 267 - 315PDF
37.

Optimal Retirement Problem under Partial Information

Kexin Chen, Junkee Jeon, and Hoi Ying Wong

2022Mathematics of Operations Research, 47(3), 1707-2545PDF
36.

Candidate Point Selection using a Self-Attention Mechanism for Generating a Smooth Volatility Surface under the SABR model

Hyeonuk Kim, Junkee Jeon, Kyunghyun Park, Changhoon Song, Jungwoo Bae, Yongsik Kim, Myungjoo Kang

2021Expert Systems With Applications, 173(1), 114640
35.

Finite horizon portfolio selection problems with stochastic borrowing constraints

Junkee Jeon

2021Journal of Industrial & Management Optimization, 38(1), 353-377
34.

Finite Time-Horizon Optimal Investment and Consumption with Time-Varying Subsistence Consumption Constraints

Junkee Jeon, Myungjoo Kang, and Yong Hyun Shin

2021Japan Journal of Industrial and Applied Mathematics, 38(1), 353-377
33.

Pricing Variable Annuity with Surrender Guarantee

Junkee Jeon and Minsuk Kwak

2021Journal of Computational and Applied Mathematics, 393, #113508
32.

Optimal Surrender Time for a Variable Annuity with a Fixed Insurance Fee

Junkee Jeon and Kyunghyun Park

2021Bulletin of the Korean Mathematical Society, 58(2), 349-364
31.

Finite Horizon Portfolio Selection with Durable Goods

Junkee Jeon, Hyeng Keun Koo, and Kyunghyun Park

2021Mathematical Social Sciences, 111(C), 55-67
30.

Portfolio Selection with Drawdown Constraint on Consumption: A Generalization Model

Junkee Jeon and Kyunghyun Park

2021Mathematical Methods of Operations Research, 93, 243-289
29.

An integral equation representation for optimal retirement strategies in portfolio selection problem

Junkee Jeon, Hyeng Keun Koo, Yong Hyun Shin, and Zhou Yang

2021Computational Economics, 58, 885-914
28.

Analytic valuation of European continuous-installment barrier options

Junkee Jeon, Sun-yong Choi, and Ji-Hun Yoon

2020Journal of Computational and Applied Mathematics, 364, 392-412
27.

(1+2)-dimensional Black-Scholes equation with mixed boundary condition

Junkee Jeon and Jehan Oh

2020Communications on Pure and Applied Analysis, 19(2), 1-16
26.

Efficient valuation of a variable annuity contract with a surrender option

Junkee Jeon and Geonwoo Kim

2020Japan Journal of Industrial and Applied Mathematics, 37(1), 249-262
25.

Optimal Retirement and Portfolio Selection with Consumption Ratcheting

Junkee Jeon and Kyunghyun Park

2020Mathematics and Financial Economics, 14(4), 353-397
24.

Social Insurance for the Elderly

Se Yung Bae, Junkee Jeon, Hyeng Keun Koo, and Kyunghyun Park

2020Economic Modelling, 91, 274-299
23.

Dynamic asset allocation with consumption ratcheting post retirement

Junkee Jeon and Kyunghyun Park

2020Applied Mathematics and Computation, 385(C), #125418
22.

An analytic approximation for the valuation of American option under a Heston-model in two regimes

Junkee Jeon, Jeonggyu Huh, and Kyunghyun Park

2020Computational Economics, 56(2), 499-528
21.

Pricing of vulnerable options with early counterparty credit risk

Junkee Jeon and Geonwoo Kim

2019North American Journal of Economics and Finance, 47, 645-656
20.

Valuation of American strangle option: Variational Inequality Approach

Junkee Jeon and Jehan Oh

2019Discrete & Continuous Dynamical Systems - B, 24(2), 755-781
19.

Finite horizon optimal consumption and investment problem with a preference change

Kyunghyun Park and Junkee Jeon

2019Journal of Mathematical Analysis and Applications, 472(2), 1777-1802
18.

Finite horizon portfolio selection with a negative wealth constraint

Junkee Jeon and Yong Hyun Shin

2019Journal of Computational and Applied Mathematics, 356C, 329-338
17.

An integral equation approach for optimal investments policies with partially reversibility

Junkee Jeon and Geonwoo Kim

2019Chaos Solitons & Fractals, 125, 73-78
16.

Ratcheting with a Bliss Level of Consumption

Junkee Jeon, Hyeng Keun Koo, and Yong Hyun Shin

2019Optimization Letters, 10(7), 1535–1556
15.

Pricing European continuous-installment strangle options

Junkee Jeon and Geonwoo Kim

2019North American Journal of Economics and Finance, 50, #101049
14.

Pricing dynamic fund protection with default risk

Junkee Jeon, Ji-Hun Yoon, and Chang-rae Park

2018Journal of Computational and Applied Mathematics, 449, 207-227
13.

Closed-form solutions for valuing partial lookback options with random initiation

Geonwoo Kim and Junkee Jeon

2018Finance Research Letters, 24C, 321-327
12.

Portfolio selection with consumption ratcheting

Junkee Jeon, Hyeng Keun Koo, and Yong Hyun Shin

2018Journal of Economic Dynamics and Control, 92, 153-182
11.

Optimal surrender strategies and valuations of path-dependent guarantees in variable annuities

Junkee Jeon and Minsuk Kwak

2018Insurance : Mathematics and Economics, 83, 93-109
10.

Valuing American floating strike lookback option and Neumann problem for inhomogeneous Black-Scholes equation

Junkee Jeon, Heejae Han, and Myungjoo Kang

2017Journal of Computational and Applied Mathematics, 313, 218-234
9.

Pricing vulnerable path-dependent options using integral transforms

Junkee Jeon, Ji-Hun Yoon, and Myungjoo Kang

2017Journal of Computational and Applied Mathematics, 313, 259-272
8.

An analytic expansion method for the valuation of double-barrier options under a stochastic volatility model

Junkee Jeon, Ji-Hun Yoon, and Chang-rae Park

2017Journal of Mathematical Analysis and Applications, 449, 207-227
7.

Analytic solution for American Strangle options using Laplace-Carson transforms

Myungjoo Kang, Junkee Jeon, Heejae Han and Somin Lee

2017Communications in Nonlinear Science and Numerical Simulation, 47, 292-307
6.

A simple and fast method for valuing American knock-out options with rebates

Kyunghyun Park and Junkee Jeon

2017Chaos Solitons & Fractals, 103, 364-370
5.

An integral equation representation approach for Russian options with finite time horizon

Junkee Jeon, Heejae Han, Hyun-uk Kim, and Myungjoo Kang

2016Communications in Nonlinear Science and Numerical Simulation, 36, 496-516
4.

Valuing vulnerable geometric Asian options

Junkee Jeon, Ji-Hun Yoon, and Myungjoo Kang

2016Computer & Mathematics with Applications, 71(2), 676-691
3.

Closed form valuation of American chained knock-in options

Heejae Han, Junkee Jeon, and Myungjoo Kang

2016Finance Research Letters, 17C, 176-185
2.

Pricing chained dynamic fund protection

Heejae Han, Junkee Jeon, and Myungjoo Kang

2016North American Journal of Economics and Finance, 37C, 267-278
1.

Pricing external-chained barrier options with exponential barriers

Junkee Jeon and Ji-Hun Yoon

2016Bulletin of the Korean Mathematical Society, 53, 1497-1530