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Jongbong An

Department of Mathematics, KAIST

Korea, Republic of (South Korea)

http://https://sites.google.com/view/jongbongan

SCHOLARLY PAPERS

8

DOWNLOADS

401

TOTAL CITATIONS

4

Scholarly Papers (8)

1.

Optimal Portfolio and Retirement Decisions with Costly Job Switching Options

Applied Mathematics and Computation, fothcoming
Number of pages: 36 Posted: 20 Apr 2024 Last Revised: 21 Nov 2024
Jongbong An, Junkee Jeon and Takwon Kim
Department of Mathematics, KAIST, Kyung Hee University - Department of Applied Mathematics and Sungshin Women's University
Downloads 75 (837,727)
Citation 3

Abstract:

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Utility Maximization, Job Switching with Costs, Early Retirement, Consumption and Investment, Optimal Switching, Optimal Stopping, Stochastic Control, HJB equation

2.

Optimal Portfolio and Labor-Leisure Decisions with Intolerance for Declining Standards of Living

Quantitative Finance, forthcoming
Number of pages: 38 Posted: 07 Aug 2024 Last Revised: 27 Feb 2025
Jongbong An, Junkee Jeon and Takwon Kim
Department of Mathematics, KAIST, Kyung Hee University - Department of Applied Mathematics and Sungshin Women's University
Downloads 73 (852,604)

Abstract:

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consumption ratcheting, sustainable consumption, labor-leisure choice, portfolio choice, singular control problem, a family of optimal stopping, free boundary problem

3.

Finite-Horizon Optimal Consumption, Investment, and Retirement Decisions with a Subsistence Consumption Constraint 

Mathematical Control and Related Fields, forthcoming
Number of pages: 21 Posted: 16 Apr 2025 Last Revised: 07 May 2026
Jongbong An, Junkee Jeon and Takwon Kim
Department of Mathematics, KAIST, Kyung Hee University - Department of Applied Mathematics and Sungshin Women's University
Downloads 50 (1,074,648)

Abstract:

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Optimal retirement, subsistence consumption constraint, stochastic control, free boundary problem, nonlinear integral equation

4.

Optimal Early Retirement with Target Wealth and Borrowing Constraints

Number of pages: 34 Posted: 23 Dec 2025
Jongbong An, Junkee Jeon and Takwon Kim
Department of Mathematics, KAIST, Kyung Hee University - Department of Applied Mathematics and Sungshin Women's University
Downloads 48 (1,109,210)
Citation 1

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Target Retirement Wealth, Borrowing Constraint, Optimal Stopping, Singular Control, Dual Martingale, Inflation Risk

5.

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

Mathematics and Computers in Simulation, forthcoming
Number of pages: 29 Posted: 24 Feb 2025 Last Revised: 24 Jul 2025
Jongbong An, Junkee Jeon and Takwon Kim
Department of Mathematics, KAIST, Kyung Hee University - Department of Applied Mathematics and Sungshin Women's University
Downloads 47 (1,121,190)

Abstract:

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Optimal contracting, Labor-leisure choice, Limited commitment, Singular stochastic control, Variational inequality, Free boundary problem, Dual approach

6.

Optimal Portfolio Selection and Early Retirement with Target Wealth Constraints

Mathematics and Financial Economics, forthcoming
Number of pages: 40 Posted: 19 Feb 2025 Last Revised: 14 Jun 2026
Jongbong An, Junkee Jeon and Takwon Kim
Department of Mathematics, KAIST, Kyung Hee University - Department of Applied Mathematics and Sungshin Women's University
Downloads 45 (1,170,409)

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Retirement, Portfolio Choice, Target Wealth, Variational Inequality, Obstacle Problem, Optimal Stopping

7.

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

Finance Research Letters, forthcoming
Number of pages: 14 Posted: 12 Dec 2025 Last Revised: 02 Mar 2026
Jongbong An, Junkee Jeon and Takwon Kim
Department of Mathematics, KAIST, Kyung Hee University - Department of Applied Mathematics and Sungshin Women's University
Downloads 34 (1,263,436)

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Retirement, Leisure, Consumption, Portfolio, Target-wealth, Duality

8.

Dynamic Asset Allocation with Partially Reversible Retirement Decisions

Number of pages: 42 Posted: 24 Jul 2025 Last Revised: 13 Jun 2026
Jongbong An, Junkee Jeon and Takwon Kim
Department of Mathematics, KAIST, Kyung Hee University - Department of Applied Mathematics and Sungshin Women's University
Downloads 29 (1,345,526)

Abstract:

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Dynamic Asset Allocation, Partially Reversible Retirement, Optimal Switching, Utility Maximization, Retirement Decisions, Switching Costs