Dr Koichi Yonezawa
PhD, MA, MA, BA
Expertise
Current positions
Lecturer in Business Analytics
University of Bristol Business School
Contact
Press and media
Many of our academics speak to the media as experts in their field of research. If you are a journalist, please contact the University’s Media and PR Team:
Research interests
Koichi Yonezawa specializes in retailing, marketing analytics, and empirical industrial organization. His research provides managerial and policy insights by analyzing consumer choice behavior, quantifying vertical relationships within supply chains, and examining strategic interactions in consumer packaged goods (CPG) manufacturing and retailing. His work has been published in journals including the Journal of Retailing, American Journal of Agricultural Economics, and Review of Industrial Organization.
His recent research focuses on leveraging unstructured customer data to improve product development and production decisions, examining channel coordination and trade promotion strategies in the CPG industry, and assessing the welfare implications of quantity discounts in retail markets.
Working Paper
- Gavirneni, S., Gómez, M. I., Yonezawa, K., & Zhu, X. (2026). From Calls to Action: Leveraging Call Center Data for Product and Production Management. Link
Selected Work in Progress
- Pervasiveness and Welfare Consequences of Quantity Discounts in the Retail Sector (with Alessandro Iaria and Ao Wang)
- Bargaining for Trade Promotion Allocations: Development of a Nash Bargaining Model and Empirical Test (with Miguel I. Gómez, Vithala R. Rao, and Xinrong Zhu)
- Identifying the Primary Sources of Household Food Waste (with Miguel I. Gómez and Timothy J. Richards)
Publications
Selected publications
23/01/2020The Robinson–Patman Act and Vertical Relationships
American Journal of Agricultural Economics
Retail Market Power in a Shopping Basket Model of Supermarket Competition
Journal of Retailing
Competitive Package Size Decisions
Journal of Retailing
Recent publications
01/02/2024Retail Markups and Discount-Store Entry
Review of Industrial Organization
Impacts of Minimum Wage Increases in the U.S. Retail Sector: Full-Time versus Part-Time Employment
Journal of Agricultural and Resource Economics
The Robinson–Patman Act and Vertical Relationships
American Journal of Agricultural Economics
Retail Market Power in a Shopping Basket Model of Supermarket Competition
Journal of Retailing
Consumer preferences for electricity tariffs: Does proximity matter?
Energy Policy