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- All HBS Web
(5,479)
- Faculty Publications (878)
- 2021
- Working Paper
Population Interference in Panel Experiments
By: Iavor I Bojinov, Kevin Wu Han and Guillaume Basse
The phenomenon of population interference, where a treatment assigned to one experimental unit affects another experimental unit's outcome, has received considerable attention in standard randomized experiments. The complications produced by population interference in... View Details
Bojinov, Iavor I., Kevin Wu Han, and Guillaume Basse. "Population Interference in Panel Experiments." Harvard Business School Working Paper, No. 21-100, March 2021.
- March 2021 (Revised June 2022)
- Case
James Bryant Conant: Changing the World
By: Robert Simons and Shirley Sun
This case traces the rise of James Conant from a working-class neighborhood in Boston to president of Harvard University. The case describes how Conant, as a young man interested in chemistry and physics, embarks on studies to build his academic credentials and the... View Details
Keywords: Education; Science; Higher Education; Mission and Purpose; Research; Values and Beliefs; Personal Characteristics; Work-Life Balance; Personal Development and Career; Education Industry; Boston
Simons, Robert, and Shirley Sun. "James Bryant Conant: Changing the World." Harvard Business School Case 121-068, March 2021. (Revised June 2022.)
- Mar 2021
- Conference Presentation
Descent-to-Delete: Gradient-Based Methods for Machine Unlearning
By: Seth Neel, Aaron Leon Roth and Saeed Sharifi-Malvajerdi
We study the data deletion problem for convex models. By leveraging techniques from convex optimization and reservoir sampling, we give the first data deletion algorithms that are able to handle an arbitrarily long sequence of adversarial updates while promising both... View Details
Neel, Seth, Aaron Leon Roth, and Saeed Sharifi-Malvajerdi. "Descent-to-Delete: Gradient-Based Methods for Machine Unlearning." Paper presented at the 32nd Algorithmic Learning Theory Conference, March 2021.
- 2021
- Working Paper
How Much Should We Trust Staggered Difference-In-Differences Estimates?
By: Andrew C. Baker, David F. Larcker and Charles C.Y. Wang
Difference-in-differences analysis with staggered treatment timing is frequently used to assess the impact of policy changes on corporate outcomes in academic research. However, recent advances in econometric theory show that such designs are likely to be biased in the... View Details
Keywords: Difference In Differences; Staggered Difference-in-differences Designs; Generalized Difference-in-differences; Dynamic Treatment Effects; Mathematical Methods
Baker, Andrew C., David F. Larcker, and Charles C.Y. Wang. "How Much Should We Trust Staggered Difference-In-Differences Estimates?" European Corporate Governance Institute Finance Working Paper, No. 736/2021, February 2021. (Harvard Business School Working Paper, No. 21-112, April 2021.)
- Article
Manage the Suppliers That Could Harm Your Brand: Know When to Avoid, Engage, or Drop Them
By: Jodi L Short and Michael W. Toffel
The pandemic has placed a new spotlight on working conditions in factories that supply global companies. To avert problems, firms often impose codes of conduct on their suppliers and perform audits to assess compliance. Do these measures help identify unethical... View Details
Keywords: Auditing; Agency Cost; Quality And Safety; Quality Management System; Quality Management; Unions; Environmental Management; Globalization; Goods and Commodities; Governance; Labor; Labor Unions; Wages; Working Conditions; Operations; Supply Chain; Safety; Quality; China; Bangladesh; Asia; Pakistan
Short, Jodi L., and Michael W. Toffel. "Manage the Suppliers That Could Harm Your Brand: Know When to Avoid, Engage, or Drop Them." Harvard Business Review 99, no. 2 (March–April 2021).
- February 2021 (Revised April 2021)
- Case
Board Director Dilemmas—Back the SPAC?
By: Suraj Srinivasan, David G. Fubini and Amram Migdal
This case focuses on a board director of a diversified holding company. The firm’s longtime CEO had always exhibited a cautious, methodical approach to growth. Now, the CEO is raising the idea of joining with a special purpose acquisition company (SPAC) to spin off... View Details
Srinivasan, Suraj, David G. Fubini, and Amram Migdal. "Board Director Dilemmas—Back the SPAC?" Harvard Business School Case 121-042, February 2021. (Revised April 2021.)
- February 2021 (Revised September 2022)
- Case
Marie Curie: Changing the World
By: Robert Simons and Shirley Sun
This case describes the rise of Marie Curie from a poor family in Poland to the pinnacle of scientific fame. The case describes how Curie, as a young woman interested in science, found a way to earn a doctorate at the Sorbonne and perform pathbreaking research on... View Details
Keywords: Legacy; Impact; Science; Research; Personal Characteristics; Mission and Purpose; Success; Work-Life Balance; Higher Education; Personal Development and Career
Simons, Robert, and Shirley Sun. "Marie Curie: Changing the World." Harvard Business School Case 121-059, February 2021. (Revised September 2022.)
- February 2021
- Tutorial
What is AI?
By: Tsedal Neeley
This video explores the elements that constitute artificial intelligence (AI). From its mathematical basis to current advances in AI, this video introduces students to data, tools, and statistical models that make a computer 'intelligent.' Through an explanation of... View Details
- February 6, 2021
- Editorial
The Chinese Debt Trap Is a Myth: The Narrative Wrongfully Portrays Both Beijing and the Developing Countries It Deals With.
By: Deborah Brautigam and Meg Rithmire
Our research shows that Chinese banks are willing to restructure the terms of existing loans and have never actually seized an asset from any country, much less the port of Hambantota. A Chinese company’s acquisition of a majority stake in the port was a cautionary... View Details
Brautigam, Deborah, and Meg Rithmire. "The Chinese Debt Trap Is a Myth: The Narrative Wrongfully Portrays Both Beijing and the Developing Countries It Deals With." The Atlantic (website) (February 6, 2021).
- February 2021
- Article
A Dynamic Theory of Multiple Borrowing
By: Daniel Green and Ernest Liu
Multiple borrowing—a borrower obtains overlapping loans from multiple lenders—is a common phenomenon in many credit markets. We build a highly tractable, dynamic model of multiple borrowing and show that, because overlapping creditors may impose default externalities... View Details
Keywords: Commitment; Multiple Borrowing; Common Agency; Misallocation; Microfinance; Investment; Mathematical Methods
Green, Daniel, and Ernest Liu. "A Dynamic Theory of Multiple Borrowing." Journal of Financial Economics 139, no. 2 (February 2021): 389–404.
- 2021
- Article
Prisoners, Rooms, and Lightswitches
By: Daniel M. Kane and Scott Duke Kominers
We examine a new variant of the classic prisoners and lightswitches puzzle: A warden leads his n prisoners in and out of r rooms, one at a time, in some order, with each prisoner eventually visiting every room an arbitrarily large number of times. The... View Details
Keywords: Mathematical Methods
Kane, Daniel M., and Scott Duke Kominers. "Prisoners, Rooms, and Lightswitches." Electronic Journal of Combinatorics 28, no. 1 (2021).
- January 2021 (Revised March 2022)
- Teaching Note
Maritz Automotive
By: Ashley V. Whillans and Lamar Pierce
This case focuses on Charlotte Blank, the Chief Behavioral Officer at Maritz, as she tries to assist a major automotive manufacturer (CarCo) with increasing their sales by prepaying monthly bonuses to independently franchised car dealers and clawing them back if the... View Details
- January 2021 (Revised March 2022)
- Teaching Note
The What Works Centre: Using Behavioral Science to Improve Social Worker Well-being (A) and (B)
This case describes the experiences of Michael Sanders—the Chief Executive of the What Works Center for Children’s Social Care—as he led the design and implementation of a program of research aimed at improving the social care system in the United Kingdom (UK) at the... View Details
- January 2021 (Revised May 2021)
- Case
Amazon Shopper Panel: Paying Customers for Their Data
By: Eva Ascarza and Ayelet Israeli
This case introduces a new Amazon program that has consumers upload their receipts from transactions outside of Amazon, in exchange for money. Through the discussion, the case aims to explore issues in customers’ privacy in the digital age, the value of customers’ own... View Details
Keywords: Data Analytics; Data Privacy; Data Management; "Marketing Analytics"; Marketing Communication; Marketing Research; Data-driven Management; E-Commerce Strategy; Ethical Decision Making; CRM; Consumer Protection; Targeted Advertising; Targeted Policies; Data Ownership; Marketing; Research; Marketing Communications; Analytics and Data Science; Management; Customer Relationship Management; Ethics; E-commerce; Retail Industry; Technology Industry; United States
Ascarza, Eva, and Ayelet Israeli. "Amazon Shopper Panel: Paying Customers for Their Data." Harvard Business School Case 521-058, January 2021. (Revised May 2021.)
- January 2021 (Revised October 2024)
- Case
Aptiv PLC Board of Directors (A)
By: Lynn S. Paine and Will Hurwitz
Aptiv’s board must decide whether a joint venture with an auto maker is the right next step in the company’s efforts to develop and commercialize a production-ready autonomous driving system. While many commentators believed that Aptiv’s self-driving technologies had... View Details
Keywords: Automotive Industry; Bankruptcy Reorganization; Board Of Directors; Board Committees; Board Decisions; Board Dynamics; Corporate Boards; Innovation And Strategy; Legal Aspects Of Business; Spin Off; Strategic Alliances; Strategic Change; Strategic Evolution; Supplier Relationships; Technological Change; Corporate Governance; Governing and Advisory Boards; Innovation Strategy; Going Public; Joint Ventures; Leadership; Restructuring; Technological Innovation; Transformation; Auto Industry; Europe; United States
Paine, Lynn S., and Will Hurwitz. "Aptiv PLC Board of Directors (A)." Harvard Business School Case 321-050, January 2021. (Revised October 2024.)
- 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
Sebenius, James K., Ben Cook, David A. Lax, Isaac Silberberg, and Paul Levy. "Dealmaking Disrupted: The Unexplored Power of Social Media in Negotiation." Special Issue on Artificial Intelligence, Technology, and Negotiation. Negotiation Journal 37, no. 1 (Winter 2021): 97–141.
- 2021
- Article
Fair Algorithms for Infinite and Contextual Bandits
By: Matthew Joseph, Michael J Kearns, Jamie Morgenstern, Seth Neel and Aaron Leon Roth
We study fairness in linear bandit problems. Starting from the notion of meritocratic fairness introduced in Joseph et al. [2016], we carry out a more refined analysis of a more general problem, achieving better performance guarantees with fewer modelling assumptions... View Details
Joseph, Matthew, Michael J Kearns, Jamie Morgenstern, Seth Neel, and Aaron Leon Roth. "Fair Algorithms for Infinite and Contextual Bandits." Proceedings of the AAAI/ACM Conference on Artificial Intelligence, Ethics, and Society 4th (2021).
- 2021
- Book
Harvard Business Review Family Business Handbook: How to Build and Sustain a Successful, Enduring Enterprise
By: Josh Baron and Rob Lachenauer
Navigate the complex decisions and critical relationships necessary to create and sustain a healthy family business--and business family. Though "family business" may sound like it refers only to mom-and-pop shops, businesses owned by families are among the most... View Details
Keywords: Family Business; Entrepreneurship; Family and Family Relationships; Outcome or Result; Business Model; Conflict and Resolution; Organizational Culture
Baron, Josh, and Rob Lachenauer. Harvard Business Review Family Business Handbook: How to Build and Sustain a Successful, Enduring Enterprise. Harvard Business Review Press, 2021.
- January 2021
- Article
Using Models to Persuade
By: Joshua Schwartzstein and Adi Sunderam
We present a framework where "model persuaders" influence receivers’ beliefs by proposing models that organize past data to make predictions. Receivers are assumed to find models more compelling when they better explain the data, fixing receivers’ prior beliefs. Model... View Details
Keywords: Model Persuasion; Analytics and Data Science; Forecasting and Prediction; Mathematical Methods; Framework
Schwartzstein, Joshua, and Adi Sunderam. "Using Models to Persuade." American Economic Review 111, no. 1 (January 2021): 276–323.
- Article
Beyond Individualized Recourse: Interpretable and Interactive Summaries of Actionable Recourses
By: Kaivalya Rawal and Himabindu Lakkaraju
As predictive models are increasingly being deployed in high-stakes decision-making, there has been a lot of interest in developing algorithms which can provide recourses to affected individuals. While developing such tools is important, it is even more critical to... View Details
Rawal, Kaivalya, and Himabindu Lakkaraju. "Beyond Individualized Recourse: Interpretable and Interactive Summaries of Actionable Recourses." Advances in Neural Information Processing Systems (NeurIPS) 33 (2020).