Posts by Collection

portfolio

publications

Your Browsing History May Cost You: A Framework for Discovering Differential Pricing in Non-Transparent Markets

Published in 2023 ACM Conference on Fairness, Accountability, and Transparency (FAccT), 2023

The prices of flights and hotels in an competitive online marketplace (Kayak) is influenced by browsing history and can be decomposed to differnetiation done by the seller as well as non-seller based differentiation.

Recommended citation: Karan, A., Balepur, N., & Sundaram, H. (2023, June). Your Browsing History May Cost You: A Framework for Discovering Differential Pricing in Non-Transparent Markets. In Proceedings of the 2023 ACM Conference on Fairness, Accountability, and Transparency (pp. 717-735).
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Designing Fair Systems for Consumers to Exploit Personalized Pricing

Published in 2025 ACM Conference on Fairness, Accountability, and Transparency (FAccT), 2025

This paper examines how groups can exploit high dispersion personalized pricing via a trading based system to improve outcomes

Recommended citation: Karan, A., Balepur, N., & Sundaram, H. (2024). Designing Fair Systems for Consumers to Exploit Personalized Pricing. arXiv preprint arXiv:2409.02777
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Algorithmic Collective Action with Two Collectives

Published in 2025 ACM Conference on Fairness, Accountability, and Transparency (FAccT), 2025

Building a framework for understanding algorithmic collective action with two or more collectives

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talks

Your Browsing History may Cost You.

Published: June 14, 2023

Your Browsing History May Cost You

Published: June 26, 2023

An expansion of the FAccT Talk intended for the Econ/Data Science team

Collective Action in Online Settings

Published: May 20, 2025

Giving an overview of Collective Action on Platforms.

teaching

CS11 C++

Computer Language Shop (CS11 C++), California Institute of Technology (Caltech), 2015

Introductory lab to C++. Graded and held office hours.

CS144

Networks: Structure & Economics, California Institute of Technology (Caltech), 2016

Networks and Economics. Ran certain projects, held office hours, and graded.

CS50

Introduction to Computer Science, Harvard University, 2018

CS51

Abstraction and Design in Computer Science, Harvard University, 2019

A second course in Computer Science focused on building a better understanding of abstraction and design. Course taught in Ocaml to emphaize the notion of abstraction and clean design. Led a recitation section, graded homework, and held office hours.