Working Papers

Submitted Papers

• Jongbong An, Junkee Jeon and Takwon Kim* (2025)
  Optimal Portfolio Selection and Early Retirement with Target Wealth Constraints
  Revise and resubmit (for 2nd round review) at Mathematics and Financial Economics

• Junkee Jeon, Kexin Chen* and Hyeng Keun Koo (2024)
  Optimal consumption and portfolio rules with dynamic adjustment of consumption bounds
  Revised and resubmitted (for 3nd round review, conditional accept) to Finance and Stochastics

• 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 (for 2nd round review) to Mathematics of Operations Research

• Kyoung Jin Choi, Junkee Jeon*, Hyeng Keun Koo and  Jehan Oh  (2025)
  Consumption Heterogeneity, Business Cycle, and Asset Pricing
  Revise and resubmit (for 2nd round review) at Journal of Monetary Economics

• Junkee Jeon and Takwon Kim* (2024)
  The Finite-Horizon Reversible Investment Problem with the Constant Elasticity of Variance Model
  Revised and resubmitted (for 3rd round review) at SIAM Journal on Control and Optimization

• Kyoung Jin Choi, Junkee Jeon*, Hyeng Keun Koo  (2025)
  Note on Intertemporal Preference with Loss Aversion
  Revise and resubmit (for 2nd round review) at Mathematical Social Sciences

• Junkee Jeon and Geonwoo Kim* (2024)
  Valuation of American Maximum Exchange Rate Quanto Lookback Options
  Revise and resubmit (for 3rd round review)  at Journal of Computational and Applied Mathematics

• Kyoung Jin Choi, Junkee Jeon*, Hyeng Keun Koo and  Jehan Oh  (2025)
  General Equilibrium with Intertemporal Loss Aversion: Existence
  submitted for publication.

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

• Gu-gyum Ha,  Junkee Jeon and Jihoon Ok* (2025)  
  The Obstacle Problem Arising from the American Chooser Option
  submitted for publication.

• Junkee Jeon and Jehan Oh* (2025)
  Finite-Horizon Consumption and Investment Problem with Loss Aversion to Consumption Changes
  submitted for publication.

• Se Yung Bae, Junkee Jeon*, and Hyeng Keun Koo  (2025)
  Consumption, Investment, Life Insurance, and Early Retirement Decisions under Habit-Dependent Living Standards
  submitted for publication.

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

Working Papers / Work in Progress

• Junkee Jeon (2025)
  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.

• Gu-gyum Ha,  Junkee Jeon and Jihoon Ok (2025)  
  Optimal Consumption and Investment with Time-Varying Job-Switching Costs
  working paper (coming soon).

• Kyoung Jin Choi, Junkee Jeon, Minsuk Kwak and Byung Hwa Liim  (2024)
  Optimal Staking and Liquid Token Holding Decisions in Cryptocurrency Markets
  working paper (a new version is coming soon).

• Zhou Yang, Junkee Jeon, Hyeng Keun Koo and Kexin Chen (2025) 
  Finite Dreams and Costly Revisions 
  working paper.

• 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 and Zhou Yang
  Dynamic Equilibrium with with Costly Adjustment for Living Standards
  work in progress.

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