Jun Hyun Ji

Jun Hyun Ji

Hi! I'm Jun Hyun, a 4th-year Ph.D. student in the Department of Economics at the University of Pittsburgh, majoring in microeconomic theory.

Research Interest

Microeconomic theory

Working Paper

A Representation of Preference over Preferences and the Act of Choosing

December 2024 PDF

This paper studies how individuals value the act of choosing itself by using the novel concept preference over preferences while assuming no preference over outcomes. An agent prefers some preference relation if she prefers behaving as if she holds that preference (e.g., preferring \(x\) to \(y\) is preferred to preferring \(y\) to \(x\) if she values the act of willingly giving up \(y\) for \(x\) more than that of giving up \(x\) for \(y\)). My axioms yield a unique representation that identifies (i) the individual's ideal preference over outcomes, and (ii) a choice rule that selects a reference option against which the act of choosing from each menu is assessed. This choice rule captures the individual's menu-dependent paternalistic attitude toward herself (manifested as guilt, pride, the joy of freedom, or the fear of the act of making mistakes) which implicitly induces preferences over menus. I discuss connections to prior models that exploit choices over menus, and welfare implications.

Work in progress

Timing Decision in Model-based Persuasion

December 2024 SLIDES

Education

Ph.D. in Economics, University of Pittsburgh (expected) 2026
M.A. in Economics, Sogang University 2020
B.A. in Economics, Sogang University 2016

Teaching

Instructor, University of Pittsburgh
  • Game Theory Principles Summer 2024
Teaching Assistant (Delivered class), University of Pittsburgh
  • Introduction to Microeconomic Theory Spring 2023, 2024
  • (Ph.D.) Mathematical Methods of Economic Analysis Fall 2023
  • (Ph.D.) Microeconomic Theory I Fall 2022

Exercises Prior to Ph.D. program

Two Bidder Procurement Auction with Asymmetric Post-auction Bankruptcy Risk

2019 PDF