activity
20202026
most citedLOLA: LLM-Assisted Online Learning Algorithm for Content Experiments

4 citations · 5 across the 14 of their papers we have counts for

collaborators

16 papers

econ.EM2026

Do Third-Party Web Traffic Estimates Preserve Causal Variation?

Mehrzad Khosravi, Hema Yoganarasimhan

Researchers increasingly rely on third-party platforms such as Similarweb and Semrush to measure web traffic when first-party analytics are unavailable. Yet these platforms report…

cs.LG2026

Adaptive Ad Load Design for Sponsored Search Markets: Evidence, Theory, and Deployment

Mohammad Rashid, Hema Yoganarasimhan

Ad-load design is a central supply-side decision in sponsored search: more sponsored slots can raise revenue, but may crowd out organic results and degrade user outcomes. We study…

cs.LG2026

Boundedly Rational Meta-Learning in Sequential Consumer Choice

Mehrzad Khosravi, Max Kleiman-Weiner, Hema Yoganarasimhan

Many consumer decisions involve repeated choices under uncertainty, where experience in one context may inform decisions in another. For example, experience with a brand in one mar…

cs.AI2026

Rectification Difficulty and Optimal Sample Allocation in LLM-Augmented Surveys

Zikun Ye, Hema Yoganarasimhan

Large Language Models can generate synthetic survey responses at low cost, but their accuracy varies unpredictably across questions. We study the design problem of allocating a fix…

cs.CY2026

Impact of AI Search Summaries on Website Traffic: Evidence from Google AI Overviews and Wikipedia

Mehrzad Khosravi, Hema Yoganarasimhan

Search engines increasingly display AI-generated answers above organic links, potentially displacing traffic to upstream publishers. We estimate the impact of Google's AI Overviews…

cs.AI2025

TextBO: Bayesian Optimization in Language Space for Eval-Efficient Self-Improving AI

Enoch Hyunwook Kang, Hema Yoganarasimhan

Large Language Models (LLMs) have enabled self-improving AI systems that iteratively generate, evaluate, and refine their outcomes. Recent studies show that prompt-optimization-bas…

econ.GN2025

Channel Adoption Pathways and Post-Adoption Behavior

Shirsho Biswas, Hema Yoganarasimhan, Haonan Zhang

The rapid growth of digital shopping channels has led many traditional retailers to invest in e-commerce websites and mobile apps. While prior research shows that multichannel cust…

econ.GN2025

How does online shopping affect offline price sensitivity?

Shirsho Biswas, Hema Yoganarasimhan, Haonan Zhang

The rapid rise of e-commerce has transformed consumer behavior, prompting questions about how online adoption influences offline shopping. We examine whether consumers who adopt a…

cs.CL2025

Fair Document Valuation in LLM Summaries via Shapley Values

Zikun Ye, Hema Yoganarasimhan

Large Language Models (LLMs) increasingly power search engines and AI assistants that retrieve and summarize content from many sources. By serving answers directly, these systems o…

econ.GN2025

Balancing Engagement and Polarization: Multi-Objective Alignment of News Content Using LLMs

Mengjie Cheng, Elie Ofek, Hema Yoganarasimhan

We study how media firms can use LLMs to generate news content that aligns with multiple objectives -- making content more engaging while maintaining a preferred level of polarizat…

cs.CV2025

Visual Polarization Measurement Using Counterfactual Image Generation

Mohammad Mosaffa, Omid Rafieian, Hema Yoganarasimhan

Political polarization is a significant issue in American politics, influencing public discourse, policy, and consumer behavior. While studies on polarization in news media have ex…

cs.LG2025★ 1 cited

An Empirical Risk Minimization Approach for Offline Inverse RL and Dynamic Discrete Choice Model

Enoch H. Kang, Hema Yoganarasimhan, Lalit Jain

We study the problem of estimating Dynamic Discrete Choice (DDC) models, also known as offline Maximum Entropy-Regularized Inverse Reinforcement Learning (offline MaxEnt-IRL) in ma…

cs.LG2024★ 4 cited

LOLA: LLM-Assisted Online Learning Algorithm for Content Experiments

Zikun Ye, Hema Yoganarasimhan, Yufeng Zheng

Modern media firms require automated and efficient methods to identify content that is most engaging and appealing to users. Leveraging a large-scale dataset from Upworthy (a news…

econ.EM2023

Choice Models and Permutation Invariance: Demand Estimation in Differentiated Products Markets

Amandeep Singh, Ye Liu, Hema Yoganarasimhan

Choice modeling is at the core of understanding how changes to the competitive landscape affect consumer choices and reshape market equilibria. In this paper, we propose a fundamen…

stat.ME2022

A Recursive Partitioning Approach for Dynamic Discrete Choice Modeling in High Dimensional Settings

Ebrahim Barzegary, Hema Yoganarasimhan

Dynamic discrete choice models are widely employed to answer substantive and policy questions in settings where individuals' current choices have future implications. However, esti…

stat.ML2020

Design and Evaluation of Personalized Free Trials

Hema Yoganarasimhan, Ebrahim Barzegary, Abhishek Pani

Free trial promotions, where users are given a limited time to try the product for free, are a commonly used customer acquisition strategy in the Software as a Service (SaaS) indus…