Publications

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2025
Working Paper

Dynamic Personalization with Multiple Customer Signals: Multi-Response State Representation in Reinforcement Learning

By: Liangzong Ma, Ta-Wei Huang, Eva Ascarza and Ayelet Israeli

Reinforcement learning (RL) offers potential for optimizing sequences of customer interactions by modeling the relationships between customer states, company actions, and long-term value. However, its practical implementation often faces significant challenges.... View Details

Keywords: Dynamic Policy; Deep Reinforcement Learning; Representation Learning; Dynamic Difficulty Adjustment; Latent Variable Models; Customer Relationship Management; Customer Value and Value Chain; Foreign Direct Investment; Analytics and Data Science

SSRN

January 2025
Module Note

Understanding and Addressing Gender Gaps

By: Katherine Coffman

This module provides a framework for students to analyze how gender stereotypes, through their impact on beliefs about others and beliefs about ourselves, contribute to gender gaps in the workplace. The module proceeds in three parts. First, through a case and an... View Details

Keywords: Decisions; Gender; Leadership; Management Practices and Processes; Prejudice and Bias

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Article

Energy Conservation Behaviour: Three Thumbs Up For Social Norms

By: Jon M. Jachimowicz

Social norm interventions are widely used to foster residential resource conservation. Now researchers have shown that the effectivenes of providing information about others' energy use alongside messages of social approval for energy savings behaviour depends on the... View Details

Keywords: Energy Conservation; Behavior; Change

February 2018
Article

Maintaining Beliefs in the Face of Negative News: The Moderating Role of Experience

By: Bradley R. Staats, Diwas S. KC and F. Gino

Many models in operations management involve dynamic decision making that assumes optimal updating in response to information revelation. However, behavioral theory suggests that rather than updating their beliefs, individuals may persevere in their prior beliefs. In... View Details

Keywords: Information; Announcements; Service Operations; Decision Making; Medical Specialties; Experience and Expertise; Medical Devices and Supplies Industry

Article

A 680,000-Person Megastudy of Nudges to Encourage Vaccination in Pharmacies

By: Katherine L. Milkman, Linnea Gandhi, Mitesh S. Patel, Heather N. Graci, Dena M. Gromet, Hung Ho, Joseph S. Kay, Timothy W. Lee, Jake Rothschild, Jonathan E. Bogard, Ilana Brody, Christopher F. Chabris, Edward Chang, Gretchen B. Chapman, Jennifer E. Dannals, Noah J. Goldstein, Amir Goren, Hal Hershfield, Alex Hirsch, Jillian Hmurovic, Samantha Horn, Dean Karlan, Ariella S. Kristal, Cait Lamberton, Michael N. Meyer, Allison H. Oakes, Maurice E. Schweitzer, Maheen Shermohammed, Jaochim H. Talloen, Caleb Warren, Ashley V. Whillans, Kuldeep N. Yadav, Julian J. Zlatev, Ron Berman, Chalanda N. Evans, Rahul Ladhania, Jens Ludwig, Nina Mazar, Sendhil Mullainathan, Christopher K. Snider, Jann Spiess, Eli Tsukayama, Lyle Ungar, Christophe Van den Bulte, Kevin G. Volpp and Angela L. Duckworth

Encouraging vaccination is a pressing policy problem. To assess whether text-based reminders can encourage pharmacy vaccination and what kinds of messages work best, we conducted a megastudy. We randomly assigned 689,693 Walmart pharmacy patients to receive one of 22... View Details

Keywords: Vaccination; Vaccines; Nudges; Communication Strategy; Communication Technology; Consumer Behavior; Health Care and Treatment

2025
Working Paper

Warnings and Endorsements: Improving Human-AI Collaboration in the Presence of Outliers

By: Matthew DosSantos DiSorbo, Kris Ferreira, Maya Balakrishnan and Jordan Tong

Problem definition: While artificial intelligence (AI) algorithms may perform well on data that are representative of the training set (inliers), they may err when extrapolating on non-representative data (outliers). How can humans and algorithms work together to make... View Details

Keywords: AI and Machine Learning; Decision Choices and Conditions

29 Apr 2025
HBS Seminar

Magie Cheng & David Huang

July 2021
Article

Making Medications Stick: Improving Medication Adherence by Highlighting the Personal Health Costs of Non-compliance

By: Jon M. Jachimowicz, Joe J. Gladstone, Dan Berry, Charlotte L. Kirkdale, Tracey Thornley and Adam D. Galinsky

Poor compliance of prescription medication is an ongoing public health crisis. Nearly half of patients do not take their medication as prescribed, harming their own health while also increasing public health care costs. Despite these detrimental consequences, prior... View Details

Keywords: Prescription Drugs; Medication Adherence; Personal Health Costs; Health; Behavior; Motivation and Incentives; Communication Strategy

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We consider a model of technological learning under which people "learn through noticing": they choose which input dimensions to attend to and subsequently learn about from available data. Using this model, we show how people with a great deal of experience may... View Details

Article

What We Can Learn from Five Naturalistic Field Experiments that Failed to Shift Commuter Behaviour

By: Ariella S. Kristal and A.V. Whillans

Across five field experiments with employees of a large organization (n = 68,915), we examined whether standard behavioural interventions (“nudges”) successfully reduced single-occupancy vehicle commutes. In Studies 1 and 2, we sent letters and emails with nudges... View Details

Keywords: Commuting; Field Experiments; Nudges; Behavior; Change

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2010
Article

I May Not Agree With You, but I Trust You: Caring About Social Issues Signals Integrity

By: Julian Zlatev

What characteristics of an individual signal trustworthiness to other people? I propose that individuals who care about contentious social issues signal to observers that they have integrity and thus can be trusted. Critically, this signal conveys trustworthiness... View Details

Keywords: Personal Characteristics; Moral Sensibility; Perception; Trust

Article

A Megastudy of Text-Based Nudges Encouraging Patients to Get Vaccinated at an Upcoming Doctor's Appointment

By: Katherine L. Milkman, Mitesh S. Patel, Linnea Gandhi, Heather N. Graci, Dena M. Gromet, Hung Ho, Joseph S. Kay, Timothy W. Lee, Modupe Akinola, John Beshears, Jonathan E. Bogard, Alison Buttenheim, Christopher F. Chabris, Gretchen B. Chapman, James J. Choi, Hengchen Dai, Craig R. Fox, Amir Goren, Matthew D. Hilchey, Jillian Hmurovic, Leslie K. John, Dean Karlan, Melanie Kim, David Laibson, Cait Lamberton, Brigitte C. Madrian, Michelle N. Meyer, Maria Modanu, Jimin Nam, Todd Rogers, Renante Rondina, Silvia Saccardo, Maheen Shermohammed, Dilip Soman, Jehan Sparks, Caleb Warren, Megan Weber, Ron Berman, Chalanda N. Evans, Christopher K. Snider, Eli Tsukayama, Christophe Van den Bulte, Kevin G. Volpp and Angela L. Duckworth

Many Americans fail to get life-saving vaccines each year, and the availability of a vaccine for COVID-19 makes the challenge of encouraging vaccination more urgent than ever. We present a large field experiment (N = 47,306) testing 19 nudges delivered to patients via... View Details

Keywords: Vaccination; COVID-19; Nudge; Influenza; Field Experiment; Health; Communication Strategy; Behavior

2019
Working Paper

Managing Churn to Maximize Profits

By: Aurelie Lemmens and Sunil Gupta

Customer defection threatens many industries, prompting companies to deploy targeted, proactive customer retention programs and offers. A conventional approach has been to target customers either based on their predicted churn probability, or their responsiveness to a... View Details

Keywords: Churn Management; Defection Prediction; Loss Function; Stochastic Gradient Boosting; Customer Relationship Management; Consumer Behavior; Profit

SSRN

13 Mar 2005
Research & Ideas

Reinforcing Values: A Public Dressing Down

avoid backsliding into dysfunctional routines—habitual patterns of negative behavior by individuals and groups that are triggered automatically and unconsciously by familiar circumstances or stimuli. Employees need help maintaining new... View Details

Keywords: by David A. Garvin & Michael A. Roberto

24 Jul 2019
Lessons from the Classroom

Can These Business Students Motivate Londoners to Do the Right Thing?

Insights Team (BIT), which became the world’s first government organization dedicated to incorporating behavioral economics into policy. BIT saw the tax letter as an opportunity to test the value of View Details

Keywords: by Dina Gerdeman

19 Jun 2007
First Look

First Look: June 19, 2007

also show that the internal control provisions of section 404 of Sarbanes-Oxley make royalty arrangements based on self-reporting more attractive. Download the paper: http://www.hbs.edu/research/pdf/07-100.pdf Toward a Theory of View Details

Keywords: Martha Lagace

May 2020
Article

Digitizing Disclosure: The Case of Restaurant Hygiene Scores

By: Weijia (Daisy) Dai and Michael Luca

Collaborating with Yelp and the city of San Francisco, we revisit a canonical example of quality disclosure by evaluating and helping to redesign the posting of restaurant hygiene scores on Yelp.com. We implement a two-stage intervention that separately identifies... View Details

Keywords: Corporate Disclosure; Consumer Behavior; Knowledge Dissemination; Food and Beverage Industry

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18 Oct 2021
Blog Post

Embracing Activism for Social Change

Co-Response Partnership, a pilot program implemented with the county’s mental health authority, Detroit Wayne Integrated Health Network (DWIHN), designed to create better outcomes in emergencies involving first responders and citizens with mental or View Details

February 2018
Article

Bank CEO Materialism: Risk Controls, Culture and Tail Risk

By: Robert Bushman, Robert Davidson, Aiyesha Dey and Abbie Smith

We investigate how the prevalence of materialistic bank CEOs has evolved over time and how risk management policies, non-CEO executives’ behavior, and tail risk vary with CEO materialism. We document that the proportion of banks run by materialistic CEOs increased... View Details

Keywords: Management; Personal Characteristics; Behavior; Risk Management; Organizational Culture; Banks and Banking; Banking Industry