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

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

• Kyoung Jin Choi, Junkee Jeon*, Hyeng Keun Koo and  Jehan Oh (2025)
  Heterogeneous Consumption Adjustment and Asset-Pricing Cycles
  Revised and resubmitted to Journal of Monetary Economics

• Junkee Jeon and Jehan Oh* (2025)
  Finite-Horizon Consumption and Investment Problem with Loss Aversion to Consumption Changes
  Revised and resubmitted at SIAM Journal on Financial Mathematics

• 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

• Se Yung Bae, Junkee Jeon*, and Hyeng Keun Koo  (2025)
  Consumption, Investment, Life Insurance, and Early Retirement Decisions under Habit-Dependent Living Standards
  Revised and resubmitted at Quarterly Review of Economics and Finance

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

• 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.

• Seungwon Jung, Junkee Jeon*, and Hyeng Keun Koo (2025)
  Optimal Investment under Irreversible Consumption and Locally Risk-Seeking Preferences
  submitted for publication.

• Kyoung Jin Choi, Junkee Jeon, Minsuk Kwak and Byung Hwa Liim  (2025)
  Staking, Liquidity, and Singular Controls in Decentralized Finance
  submitted for publication.

Working Papers / Work in Progress

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

• Kexin Chen, Junkee Jeon,  Takwon Kim and Zhou Yang (2025) 
  Finite-Horizon Optimal Retirement Timing Under Wealth Targets: Structure of the Free Boundaries
  working paper (coming soon).

• Zhou Yang, Junkee Jeon, Hyeng Keun Koo and Kexin Chen (2025) 
  Dreams and Costly Revisions: Finite-Horizon Optimal Consumption with Costly Lifestyle Adjustment 
  working paper (coming soon).

• Kexin Chen, Junkee Jeon, and Hyeng Keun Koo (2025) 
  Equilibrium Interest Rate Dynamics Driven by Loss Aversion to Consumption Changes
  working paper.

• 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.

• 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.

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