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- Article
Counterfactual Explanations Can Be Manipulated
By: Dylan Slack, Sophie Hilgard, Himabindu Lakkaraju and Sameer Singh
Counterfactual explanations are useful for both generating recourse and auditing fairness between groups. We seek to understand whether adversaries can manipulate counterfactual explanations in an algorithmic recourse setting: if counterfactual explanations indicate... View Details
- Winter 2021
- Article
Mobile Internet Usage and Usage-based Pricing
By: Jeffrey Prince and Shane Greenstein
Using data on mobile Internet usage of thousands of individuals, we provide some of the first analyses linking mobile usage to key demographics such as income. We find a reverse-U relationship between mobile Internet usage and income—notably different than the... View Details
- Article
Reliable Post hoc Explanations: Modeling Uncertainty in Explainability
By: Dylan Slack, Sophie Hilgard, Sameer Singh and Himabindu Lakkaraju
As black box explanations are increasingly being employed to establish model credibility in high stakes settings, it is important to ensure that these explanations are accurate and reliable. However, prior work demonstrates that explanations generated by... View Details
- 2021
- Article
ThreeDWorld: A Platform for Interactive Multi-Modal Physical Simulation
By: Chuang Gan, Jeremy Schwartz, Seth Alter, Damian Mrowca, Martin Schrimpf, James Traer, Julian De Freitas, Jonas Kubilius, Abhishek Bhandwaldar, Nick Haber, Megumi Sano, Kuno Kim, Elias Wang, Michael Lingelbach, Aidan Curtis, Kevin Feigelis, Daniel M. Bear, Dan Gutfreund, David Cox, Antonio Torralba, James J. DiCarlo, Joshua B. Tenenbaum, Josh H. McDermott and Daniel L.K. Yamins
We introduce ThreeDWorld (TDW), a platform for interactive multi-modal physical simulation. TDW enables simulation of high-fidelity sensory data and physical interactions between mobile agents and objects in rich 3D environments. Unique properties include: real-time... View Details
- 2024
- Working Paper
What Drives Variation in Investor Portfolios? Estimating the Roles of Beliefs and Risk Preferences
By: Mark Egan, Alexander MacKay and Hanbin Yang
We present an empirical model of portfolio choice that allows for the nonparametric estimation of investors' (subjective) expectations and risk preferences. Utilizing a comprehensive dataset of 401(k) plans from 2009 through 2019, we explore heterogeneity in asset... View Details
- 30 Nov 2021
- Interview
TikTok: Super App or Supernova?
By: Jeffrey F. Rayport and Brian Kenny
TikTok’s parent company, ByteDance, was launched in 2012 around the simple idea of helping users entertain themselves on their smartphones while on the Beijing Subway. By May 2020, TikTok operated in 155 countries and had roughly 1 billion monthly active users, placing... View Details
- November 2021 (Revised December 2022)
- Case
Babban Gona: Great Farm
By: Kristin Fabbe, Tarun Khanna, Caroline M. Elkins, Zeke Gillman, Eleni Kyrkopoulou and Thomaz Teodorovicz
In 2020, Babban Gona was one of the world’s largest farming operations with over 140,000 acres of maize farms, an area over ten times as large as Manhattan, and over 80,000 member-farmers in Nigeria. According to the company, the average Nigerian farmer’s net income... View Details
- Article
How Direct-to-Consumer Brands Can Continue to Grow
By: V. Kasturi Rangan, Daniel Corsten, Matt Higgins and Leonard A. Schlesinger
Direct-to-consumer (DTC) brands such as Allbirds, Casper, Peloton, and Warby Parker have creatively found a weakness in the marketing citadel of incumbent brands. By using data gleaned from daily interactions with customers, these brands have been able to adapt how... View Details
- November 2021
- Article
Ratings, Reviews, and the Marketing of New Products
By: Itay P. Fainmesser, Dominique Olié Lauga and Elie Ofek
We study how user-generated content (UGC) about new products impacts a firm's advertising and pricing decisions and the effect on profits and market dynamics. We construct a two-period model where consumers value quality and are heterogeneous in their taste for the new... View Details
- October 2021 (Revised January 2022)
- Supplement
Michael Ku and Global Clinical Supply at Pfizer Inc.: Bringing Hope to Patients (C)
By: Linda A. Hill and Emily Tedards
This case is the third installment in a series about the 10-year cultural and digital transformation of Pfizer’s Global Clinical Supply organization. In 2011, Michael Ku became Pfizer’s Vice President of Global Clinical Supply (GCS) after the company had undergone... View Details
Keywords: Clinical Supply Chain; COVID-19; Vaccine; Agile; Innovation and Invention; Change Management; Organizational Culture; Transformation; Leadership; Corporate Strategy; Health Pandemics; Crisis Management; Mission and Purpose; Health Care and Treatment; Supply Chain Management; Digital Transformation
- October 2021 (Revised December 2021)
- Case
Customer-Centric Design with Artificial Intelligence: Commonwealth Bank
By: Karim R. Lakhani, Yael Grushka-Cockayne, Jin Hyun Paik and Steven Randazzo
As Commonwealth Bank (CommBank) CEO Matt Comyn delivered the full financial year results in August 2021 over videoconference, it took less than two minutes for him to make his first mention of the organization's Customer Engagement Engine (CEE), the AI-driven customer... View Details
- October 2021 (Revised September 2022)
- Case
GoPro: Becoming a Subscription Hero
By: Elie Ofek, Marco Bertini and Nicole Tempest Keller
In 2021, Nick Woodman, founder and CEO of GoPro, was reviewing the company’s subscription offering, considering whether to extend it beyond benefits that were directly related to the company’s iconic camera. Founded in 2002, GoPro had gained renown for its innovative... View Details
- 2021
- Working Paper
The Business of K-12 Education in China
By: Geoffrey Jones and Yuhai Wu
This working paper examines the evolution of K-12 education in China, especially between 1985 and the present day, drawing extensive interviews with participants in the educational sector. China has been hugely successful in reaching almost 100 percent literacy,... View Details
- October 18, 2021
- Article
How to Reframe What Work Means to You
By: Hubert Joly
Our society often conceives of work as something we must endure so we can afford to do something else. The former CEO of Best Buy explains why this view has led to a crisis of engagement among leaders and employees alike, and offers a different model that he introduced... View Details
- October 2021 (Revised May 2023)
- Case
Engine No. 1: An Impact Investing Firm Engages with ExxonMobil
By: Mark Kramer, Shawn Cole, Vikram S. Gandhi and T. Robert Zochowski
ExxonMobil, the world's fifth largest source of carbon emissions, remained committed to aggressively expanding its oil & gas business despite global warming. During the COVID pandemic this strategy resulted in massive losses as the price and demand for oil declined. ... View Details
- October 2021
- Case
Diversifying P&G's Supplier Base (A)
By: Kris Ferreira, Kym Lew Nelson, Carin-Isabel Knoop and Sarah Mehta
In February 2003, P&G hosted two meetings—one with its largest woman- and minority-owned suppliers and one with its largest non-minority-owned suppliers. Attendees in each meeting heard the same message: P&G was keen to grow its commitment to inclusive supply chains,... View Details
- October 2021
- Supplement
Diversifying P&G's Supplier Base (B)
By: Kris Ferreira, Kym Lew Nelson, Carin-Isabel Knoop and Sarah Mehta
This (B) case accompanies the (A) case of the same title. View Details
- October 1, 2021
- Article
An Evaluation of Cross-efficiency Methods: With an Application to Warehouse Performance.
By: B.M. Balk, M.R. De Koster, Christian Kaps and J.L. Zofio
Cross-efficiency measurement is an extension of Data Envelopment Analysis that allows for tie-breaking ranking of the Decision Making Units (DMUs) using all the peer evaluations. In this article we examine the theory of cross-efficiency measurement by comparing a... View Details
- Article
Behavioral and Neural Representations en route to Intuitive Action Understanding
By: Leyla Tarhan, Julian De Freitas and Talia Konkle
When we observe another person’s actions, we process many kinds of information—from how their body moves to the intention behind their movements. What kinds of information underlie our intuitive understanding about how similar actions are to each other? To address this... View Details
- October 2021
- Article
Can Self-Regulation Save Digital Platforms?
By: Michael A. Cusumano, Annabelle Gawer and David B. Yoffie
This article explores some of the critical challenges facing self-regulation and the regulatory environment for digital platforms. We examine several historical examples of firms and industries that attempted self-regulation before the Internet. All dealt with similar... View Details