Sara Fish

I am a second-year PhD student at Harvard advised by Yannai Gonczarowski. My research interests lie in EconCS and ML. I am supported by a NSF Graduate Research Fellowship. Previously, I completed my B.S. in Mathematics at Caltech.

Feel free to email me at


Google Scholar

Algorithmic Collusion by Large Language Models
with Yannai Gonczarowski and Ran Shorrer
Preprint available at arXiv:2404.00806.

Stable Menus of Public Goods: A Matching Problem
with Yannai Gonczarowski and Sergiu Hart
Preprint available at arXiv:2402.11370. (Code)

Generative Social Choice
with Paul Gölz, David Parkes, Ariel Procaccia, Gili Rusak, Itai Shapira, and Manuel Wüthrich
EC 2024 (arXiv:2309.01291).
(Project awarded $100,000 grant via OpenAI's Democratic Inputs to AI program.)



Previous volunteering and employment

Previous math research

A Construction for Difference Sets with Local Properties
with Ben Lund and Adam Sheffer
European Journal of Combinatorics, Vol. 79, June 2019, pg. 237-243. arXiv

Crescent configurations in Normed Spaces
with D. King, S. J. Miller, E. A. Palsson, and C. Wahlenmayer
Integers, Vol. 20, #A96. arXiv

Local Properties via Color Energy Graphs and Forbidden Configurations
with Cosmin Pohoata and Adam Sheffer
SIAM Journal on Discrete Mathematics, Vol. 34, Jan 2020, pg. 177-187. arXiv

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