Working Papers

Submitted Papers

• Junkee Jeon, Hyeng Keun Koo and Jehan Oh* (2025)
  Optimal Consumption and Investment with Costly Adjustments for Living Standards in a Finite Horizon
  Revise and resubmit at Finance and Stochastics

• Junkee Jeon, Jongbong An, and Takwon Kim* (2026)
  Working Longer, Not Harder: Target Wealth, Leisure, and Retirement
  Revised and resubmitted to Finance Research Letters

• Takwon Kim, Zhou Yang, and Junkee Jeon*  (2025)
  The finite-horizon retirement problem with borrowing constraint: A zero-sum stopper vs. singular-controller game, 
  Revised and resubmitted to Mathematics of Operations Research

• Jongbong An, Junkee Jeon and Takwon Kim* (2025)
  Optimal Portfolio Selection and Early Retirement with Target Wealth Constraints
  Revised and resubmitted to Mathematics and Financial Economics

• Kexin Chen, Junkee Jeon, Hyeng Keun Koo and Zhou Yang (2026) 
  Optimal Consumption and Portfolio Choice with Lifestyle Anticipation: Finite Dreams and Costly Lifestyle Revision
  Submitted for publication.

• Kyoung Jin Choi, Junkee Jeon, Minsuk Kwak and Byung Hwa Lim (2026)  
  Liquid–Illiquid Conversion via Singular Control: Staking and Partial Commitment
  Submitted for publication.

• Jongbong An, Junkee Jeon and Takwon Kim*  (2025)
  Finite-Horizon Optimal Consumption, Investment, and Retirement Decisions with a Subsistence Consumption Constraint
  Submitted for publication.

• Jongbong An, Junkee Jeon and Takwon Kim*  (2025)
  Dynamic Asset Allocation with Partially Reversible Retirement Decisions
  Submitted for publication.

• Junkee Jeon*  (2025)
  Recursive Utility, Social Discounting, and Sustainable Consumption
  Submitted for publication.

• Jongbong An, Junkee Jeon and Takwon Kim (2025)
  Optimal Early Retirement with Target Wealth and Borrowing Constraints
  Submitted for publication.

Working Papers / Work in Progress

• Kyoung Jin Choi, Junkee Jeon*, Hyeng Keun Koo and  Jehan Oh
  General Equilibrium with Intertemporal Loss Aversion: Existence
  Working paper.

• Kyoung Jin Choi, Junkee Jeon*, Hyeng Keun Koo and  Jehan Oh
  Heterogeneous Consumption Adjustment and Asset-Pricing Cycles
  Working paper.

• Gu-gyum Ha,  Junkee Jeon and Jihoon Ok
  The Obstacle Problem Arising from the American Chooser Option
  Working paper.

• Gu-gyum Ha,  Junkee Jeon and Jihoon Ok
  Finite-Horizon Optimal Consumption and Investment with Time-Varying Job-Switching Costs
  Working paper.

• Kexin Chen, Junkee Jeon,  Takwon Kim and Zhou Yang
  Finite-Horizon Optimal Retirement Timing Under Wealth Targets: Structure of the Free Boundaries
  Working paper.

• Kexin Chen, Junkee Jeon, and Hyeng Keun Koo
  Equilibrium Interest Rate Dynamics Driven by Loss Aversion to Consumption Changes
  Work in progress.

• Junkee Jeon
  A Partially Reversible Retirement Decision Problem under Borrowing Constraints
  manuscript currently being substantially revised
  A previous version of this paper, titled “A Problem of Optimal Switching and Singular Control with Discretionary Stopping in Portfolio Selection,” received a “reject and resubmit” decision from Finance and Stochastics.

• Junkee Jeon, Takwon Kim, Jinwan Park, and A.Max. Reppen  
  The Finite-Horizon Reversible Investment Problem under Multi-Dimensional Stochastic Dynamics
  Work in progress.

• Kexin Chen, Junkee Jeon,  Jehan Oh, and Zhou Yang
  Dynamic Equilibrium with with Costly Adjustment for Living Standards
  Work in progress.

• Jongbong An, Junkee Jeon and Takwon Kim (2025)
  Optimal Portfolio Choice and Early Retirement under Disappointment Aversion
  Work in progress.

• Junkee Jeon, Hyeng Keun Koo, Minsuk Kwak and Ji Hee Yoon
  Anticipatory Social Preference with Sustainability Constraint
  Work in progress.