Publications

2024
Working Paper

Webmunk: A New Tool for Studying Online Behavior and Digital Platforms

By: Chiara Farronato, Andrey Fradkin and Chris Karr

Understanding the behavior of users online is important for researchers, policymakers, and private companies alike. But observing online behavior and conducting experiments is difficult without direct access to the user base and software of technology companies. We... View Details

Keywords: Policy; Technology Adoption; Behavior; Research; Consumer Behavior; Internet and the Web

May–June 2025
Article

Branch-and-Price for Prescriptive Contagion Analytics

By: Alexandre Jacquillat, Michael Lingzhi Li, Martin Ramé and Kai Wang

Contagion models are ubiquitous in epidemiology, social sciences, engineering, and management. This paper formulates a prescriptive contagion analytics model where a decision maker allocates shared resources across multiple segments of a population, each governed by... View Details

Keywords: COVID-19; Mathematical Methods

08 Feb 2017
HBS Seminar

Andrew Mao, Microsoft Research

29 Apr 2025
HBS Seminar

Magie Cheng & David Huang

07 Aug 2007
First Look

First Look: August 7, 2007

Working PapersThe New Market for Federal Judicial Law Clerks Authors:Christopher Avery, Christine Jolls, Richard Posner, and Alvin E. Roth Abstract In the past, judges have often hired applicants for judicial clerkships as early as the beginning of the second year of... View Details

Keywords: Martha Lagace

2025
Working Paper

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

By: Mengjie Cheng, Elie Ofek and 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 polarization/slant consistent with the firm’s editorial policy. Using news articles from The New York... View Details

Keywords: Large Language Models; Content Creation; Media; Polarization; Generative Ai; Direct Preference Optimization; AI and Machine Learning; News; Perspective; Digital Marketing; Policy; Media and Broadcasting Industry

SSRN

September 2022 (Revised August 2023)
Case

Audrey Tang: Using Technology to Strengthen Democracy in Taiwan

By: Shikhar Ghosh and Shweta Bagai

Since the early days of the internet, Taiwan had a vibrant community of civic hackers and open-source programmers who engaged with social issues. Audrey Tang was one of them. She spearheaded the 2014 Sunflower Student Movement in Taiwan, where protestors peacefully... View Details

Keywords: Democracy; Internet; Web Technology; Digital Transformation; Digital Platform; COVID; Information Technology; Applications and Software; Governance; Entrepreneurship; Governing Rules, Regulations, and Reforms; Innovation and Invention; Taiwan; China; Asia

Educators

Purchase

2022
Article

OpenXAI: Towards a Transparent Evaluation of Model Explanations

By: Chirag Agarwal, Satyapriya Krishna, Eshika Saxena, Martin Pawelczyk, Nari Johnson, Isha Puri, Marinka Zitnik and Himabindu Lakkaraju

While several types of post hoc explanation methods have been proposed in recent literature, there is very little work on systematically benchmarking these methods. Here, we introduce OpenXAI, a comprehensive and extensible opensource framework for evaluating and... View Details

Keywords: Measurement and Metrics; Analytics and Data Science

Article

Design and Testing of a Mobile Health Application Rating Tool

By: David Levine, Zo Co, Lisa Newmark, Alissa Groisser, A Jay Holmgren, Jennifer Haas and David Bates

Mobile health applications (“apps”) have rapidly proliferated, yet their ability to improve outcomes for patients remains unclear. A validated tool that addresses apps’ potentially important dimensions has not been available to patients and clinicians. The objective of... View Details

Keywords: Health; Mobile Technology; Design; Analysis

Winter 2021
Article

Dealmaking Disrupted: The Unexplored Power of Social Media in Negotiation

By: James K. Sebenius, Ben Cook, David A. Lax, Isaac Silberberg and Paul Levy

While social media has had profound effects in many realms, the theory and practice of negotiation have remained relatively untouched by this potent phenomenon. In this article, we survey existing research in this area and develop a broader framework for understanding... View Details

Keywords: Bargaining; 3D Negotiation; Negotiation; Conflict and Resolution; Social Media

2023
Article

Experimental Evaluation of Individualized Treatment Rules

By: Kosuke Imai and Michael Lingzhi Li

The increasing availability of individual-level data has led to numerous applications of individualized (or personalized) treatment rules (ITRs). Policy makers often wish to empirically evaluate ITRs and compare their relative performance before implementing them in a... View Details

Keywords: Causal Inference; Heterogeneous Treatment Effects; Precision Medicine; Uplift Modeling; Analytics and Data Science; AI and Machine Learning

March–April 2023
Article

Market Segmentation Trees

By: Ali Aouad, Adam Elmachtoub, Kris J. Ferreira and Ryan McNellis

Problem definition: We seek to provide an interpretable framework for segmenting users in a population for personalized decision making. Methodology/results: We propose a general methodology, market segmentation trees (MSTs), for learning market... View Details

Keywords: Decision Trees; Computational Advertising; Market Segmentation; Analytics and Data Science; E-commerce; Consumer Behavior; Marketplace Matching; Marketing Channels; Digital Marketing

December 2008
Article

Which Kind of Collaboration Is Right for You?

By: Roberto Verganti and Gary P. Pisano

Nowadays, virtually no companies innovate alone. Firms team up with a variety of partners, in a wide number of ways, to create new technologies, products, and services. But what is the best way to leverage the power of outsiders? To help executives answer that... View Details

Keywords: Cost vs Benefits; Framework; Collaborative Innovation and Invention; Innovation and Management; Partners and Partnerships; Social and Collaborative Networks; Strategy