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math.OC2026
Finite-Horizon Portfolio Choice, Labor Supply, and Early Retirement under Borrowing Constraints
Gugyum Ha, Junkee Jeon, Jihoon Ok
We study a finite-horizon optimal consumption and portfolio problem with labor supply flexibility and an irreversible early retirement option under a borrowing constraint. The agen…
math.OC2026
Finite-Horizon Optimal Consumption and Investment with Time-Varying Job-Switching Costs
Gugyum Ha, Junkee Jeon, Jihoon Ok
In this paper, we study the finite-horizon problem of an economic agent's optimal consumption, investment, and job-switching decisions. The key new feature of our model is that the…