Publications
Hakjin Chung, Chang Lee, and Hyung Il Oh (2025).
Monetary Policy Uncertainty and Analyst Forecast Errors.
Applied Economics Letters, 1–4.
→ Shows that heightened monetary policy uncertainty systematically increases analyst forecast errors, with effects amplified for firms with greater earnings sensitivity to interest rate fluctuations.
Hakjin Chung, Hyun-Soo Ahn, Myeonghun Lee, and Sangwon Kim (2024).
Optimal Subsidy Policy For Innovation: Technology Push and Demand Pull.
Production and Operations Management, 33(3), 817–831.
→ Characterizes the optimal government subsidy design for innovation, distinguishing when supply-side versus demand-side instruments are more effective depending on market structure and uncertainty.
Jiung Lee, Hakjin Chung, and Naeun Cho (2023).
The Effect of Operational Efficiency on Adopting Environmental Management Practices.
Sustainability, 15(22), 15869.
→ Examines how a firm's operational efficiency shapes its decision to adopt environmental management practices, finding that more efficient firms are better positioned to absorb the costs of green initiatives.
Hakjin Chung, Hyun-Soo Ahn, and So Yeon Chun (2022).
Dynamic Pricing with Point Redemption.
Manufacturing and Service Operations Management, 24(4), 2134–2149.
→ Develops an optimal dynamic pricing framework for firms that allow customers to redeem loyalty points, showing how the interaction between cash prices and point redemption behavior creates novel pricing incentives.
Hakjin Chung, Hyun-Soo Ahn, and Rhonda Righter (2020).
The Potentially Negative Effects of Cooperation in Service Systems.
Advances in Applied Probability, 52(1), 319–347.
→ Demonstrates that server cooperation in queueing systems can paradoxically reduce overall performance, identifying conditions under which decentralized service is strictly preferable to collaboration.
Hakjin Chung, Hyun-Soo Ahn, and Stefanus Jasin (2019).
(Re-scaled) Multi-Attempt Approximation of Customer Choice Model and Its Application to Assortment Optimization.
Production and Operations Management, 28(2), 341–353.
→ Proposes a tractable approximation of general customer choice models via multi-attempt re-scaling, enabling near-optimal assortment decisions with strong theoretical guarantees and computational efficiency.
Tyler Maxey, Hakjin Chung, Hyun-Soo Ahn, and Rhonda Righter (2017).
When is Anarchy Beneficial?
ACM SIGMETRICS Performance Evaluation Review, 45(2), 18–20.
→ Identifies structural conditions under which selfish, uncoordinated behavior in service networks yields better system-wide outcomes than centralized control.
Working Papers & Research in Progress
"Customer On the Board and Inventory Management"
with Hyung-il Oh, Sung-jin Ahn, Jiung Lee — Under major revision, Production and Operations Management
→ Investigates how customer representation on corporate boards affects operational and financial performance, linking governance structure to firm-level outcomes.
"Like Attracts Like: Seller Landscape on a Platform"
with Myeonghun Lee and Hyun-Soo Ahn — Under review, Manufacturing and Service Operations Management
→ Analyzes how a platform's commission structure shapes the composition of sellers it attracts, showing that similar-quality sellers cluster endogenously and deriving the platform's optimal pricing policy.
"Natural Disaster, Credit Market Development, and Bank Performance: Cross-country Evidence"
with Seungjoon Oh and Jiung Lee
→ Exploits cross-country variation in natural disaster exposure to study how adverse shocks interact with credit market development to affect long-run bank performance.
"The Warranty Policy and the Contingent Consumable Products"
with Jiung Lee, Euisung Yoon, and Youngjae Jang
→ Studies optimal warranty design for products whose performance depends on complementary consumables, characterizing how contingency shapes manufacturer incentives and consumer welfare.
"Procurement Auctions with Error-Prone RFQs"
with Yan Yin, Damian Beil, and Hyun-Soo Ahn
→ Models procurement auctions where request-for-quote specifications contain errors, analyzing how buyer ambiguity distorts bidding behavior and deriving mechanisms that restore efficiency.
"Mitigating Agency Problems of Restricting Managerial Flexibility: The Effects of Bond Covenants on Operational Efficiency"
with Hyung-il Oh and Jiung Lee
"Fractional Finance of Music Copyright"
"Revenue Maximization and Customer Lifetime Value"
"Harnessing AI Devices for Risk Assessment and Customer Engagement in the Insurance Industry"