M_R_Sullivan's profile picture. IO economist. Assistant professor @ University of British Columbia, Sauder School of Business @UBCSauderSchool

Michael R Sullivan

@M_R_Sullivan

IO economist. Assistant professor @ University of British Columbia, Sauder School of Business @UBCSauderSchool

Excited to see my paper "Sources of Limited Consideration and Market Power in E-Commerce" as the lead article of the latest issue of AEJ: Micro. The article develops new techniques for analyzing sequential search and applies them to study market power in e-commerce #econtwitter

The February 2026 issue of AEJ: Microeconomics (18, 1) is now available online at aeaweb.org/issues/833.



Michael R Sullivan reposted

📢We're hiring! Our department is seeking applications for a tenure-track Assistant Professor at @MemorialU St. John's campus. The deadline for applications is January 15, 2024. See details at careers.mun.ca/hss/api/career… @memorialhss #EconTwitter #econjobmarket #AcademicTwitter


Michael R Sullivan reposted

Finally, in Market Design for Personal Data, the authors consider the unique economics of markets shaped by personal data and offer the idea of a “data intermediary” as a solution to various market failures. yalejreg.com/print/market-d…

yalejreg.com

Market Design for Personal Data - Yale Journal on Regulation

This Article is part of a special issue comprised of a series of Articles prepared by a collection of economists and policy experts in the United States, the United Kingdom, and the European Union...


Michael R Sullivan reposted

Congratulations to our 2023 Economics PhD graduates! Learn more about their research, accomplishments, and next steps: economics.yale.edu/news/230525/co…

YaleEconomics's tweet image. Congratulations to our 2023 Economics PhD graduates!

Learn more about their research, accomplishments, and next steps: economics.yale.edu/news/230525/co…

I'm embarrassed that I've blamed increased COVID cases on the Delta method more than once.


Michael R Sullivan reposted

Michael Sullivan (@M_R_Sullivan) presents "Sources of Limited Consideration and Market Power in E-Commerce: The Case of Contact Lenses," exploring why consumers conduct little search and face significant markups online using browsing data and novel empirical methods.


Reuniting with Twitter


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