Publications

June 2020
Article

Lazy Prices

By: Lauren Cohen, Christopher J. Malloy and Quoc Nguyen

We explore the implications of a subtle "default" choice that firms make in their regular reporting practices, namely that firms typically repeat what they most recently reported. Using the complete history of regular quarterly and annual filings by U.S. corporations... View Details

Keywords: Default Behavior; Inertia; Firms; Disclosure; Information; Business or Company Management; Behavior; Annual Reports; Corporate Disclosure; Financial Reporting; United States

SSRN

Teaching Interest

Leading with People Analytics; HBS MBA Elective; 2021

Teaching fellow for course on using data science to make decisions about people, such as hiring, firing, promotion, team composition, etc.
Led weekly student review sessions teaching statistics and the R... View Details

June 2001 (Revised January 2006)
Background Note

Mechanics of Financial Accounting, The

By: David F. Hawkins and Jacob Cohen

Explains in simple terms and numerical examples how the language of accounting is spoken and communicated to financial statement users. Describes terms such as "debits," "credits," "journal entries," "t-accounts," and "financial statements." View Details

Keywords: Accounting; Financial Statements

February 2018
Supplement

People Analytics at Teach For America (B)

By: Jeffrey T. Polzer and Julia Kelley

This is a supplement to the People Analytics at Teach For America (A) case. In this supplement, Managing Director Michael Metzger must decide how to extend his team’s predictive analytics work using Natural Language Processing (NLP) techniques. View Details

Keywords: Analytics and Data Science; Forecasting and Prediction; Recruitment; Analysis

March 22, 2012
Article

Global Team Leaders Must Deliberately Create 'Moments'

By: Tsedal Neeley

Global teams face the challenge of having to operate with limited face-to-face contact and across vast distances, time zones, language backgrounds, and contexts, as well as cultural differences. In turn, these differences generate disruptions to team cohesion and top... View Details

Keywords: Global Range; Groups and Teams; Management Practices and Processes

Register to Read

January 2017
Article

Contract Design and Stability in Many-to-Many Matching

By: John William Hatfield and Scott Duke Kominers

We develop a model of many-to-many matching with contracts that subsumes as special cases many-to-many matching markets and buyer/seller markets with heterogeneous and indivisible goods. In our setting, substitutable preferences are sufficient to guarantee the... View Details

Keywords: Many-to-Many Matching; Stability; Substitutes; Contract Design; Contracts; Marketplace Matching; Balance and Stability

13 Jun 2018
Working Paper Summaries

Learning to Become a Taste Expert

Keywords: by Kathryn A. Latour and John A. Deighton; Food & Beverage

December 2002 (Revised January 2014)
Case

Matt Leeds (A)

By: Linda A. Hill

A new associate in a consulting firm attempts to navigate his way through the norms and culture of a new setting and to manage his relationships with his superiors and peers, which got off to a poor start.

PLEASE NOTE: This case was revised in January 2014.... View Details

Keywords: Power and Influence; Rank and Position; Organizational Culture; Consulting Industry

September 2015
Article

Speaking of the Short-Term: Disclosure Horizon and Managerial Myopia

By: Francois Brochet, Maria Loumioti and George Serafeim

We study conference calls as a voluntary disclosure channel and create a proxy for the time horizon that senior executives emphasize in their communications. We find that our measure of disclosure time horizon is associated with capital market pressures and executives'... View Details

Keywords: Short-termism; Management Styles; Disclosure; Conference Calls; Investing; Earnings Management; Motivation and Incentives; Management Style; Forms of Communication

SSRN

January 2025 (Revised April 2025)
Case

Duolingo: On a 'Streak'

By: Jeffrey F. Rayport, Nicole Tempest Keller and Nicole Luo

In December 2024, Severin Hacker, Co-Founder and Chief Technology Officer of Duolingo, reflected on the remarkable evolution of the language-learning app he helped launch in 2011. As the #1 most downloaded education app in the world, Duolingo had over 100 million... View Details

Keywords: Learning; AI and Machine Learning; Growth and Development Strategy; Motivation and Incentives; Diversification; Business Model; Market Entry and Exit; Technology Industry; Education Industry; United States

October 2015
Case

DRW Technologies

By: Stephen A. Greyser and William Ellet

Ed Claiborne is a newly hired corporate vice president of procurement for DRW Technologies, a company that produces advanced military systems with 21 plants in the United States. Claiborne was hired from another company from within the industry, and the news of his... View Details

Keywords: Announcements; Management Style; Organizational Structure; Leadership Style; Human Resources

September 2023 (Revised January 2024)
Case

AI21 Labs in 2023: Strategy for Generative AI

By: David Yoffie, Orna Dan and Elena Corsi

Israeli generative artificial intelligence company AI21 Labs was founded in 2017 to realize the vision of true machine intelligence. It sought to reinvent writing and reading and in 2020 it launched Wordtune, an app using GenAI software to offer alternate text... View Details

Keywords: Decision Making; AI and Machine Learning; Innovation Strategy; Growth and Development Strategy; Applications and Software; Competitive Strategy; Technology Industry; Israel

2019
Working Paper

U.S. Antitrust Law and Policy in Historical Perspective

By: Laura Phillips Sawyer

The key pieces of antitrust legislation in the United States—the Sherman Antitrust Act of 1890 and the Clayton Act of 1914—contain broad language that has afforded the courts wide latitude in interpreting and enforcing the law. This article chronicles the judiciary’s... View Details

Keywords: Antitrust; Trusts; Restraint Of Trade; Merger; Cartel; New Deal; Harvard School; Chicago School Of Law And Economics; Post-Chicago; Law; Competition; Policy; Vertical Integration; Horizontal Integration; Acquisition

May 2021
Article

Fifty Shades of QE: Comparing Findings of Central Bankers and Academics

By: Brian Fabo, Marina Jančoková, Elisabeth Kempf and Ľuboš Pástor

We compare the findings of central bank researchers and academic economists regarding the macroeconomic effects of quantitative easing (QE). We find that central bank papers find QE to be more effective than academic papers do. Central bank papers report larger effects... View Details

Keywords: Quantitative Easing; Career Concerns; Economic Research; Central Banking; Macroeconomics; Economic Growth

March 2020
Case

Hotstar

By: Krishna G. Palepu and Kairavi Dey

Hotstar was an online video streaming platform owned by Star India Private Limited, a wholly owned subsidiary of the Walt Disney Corporation. Since its launch in 2015, the platform had grown to offer over 100,000 hours of TV content, movies in nine Indian languages... View Details

Keywords: Corporate Entrepreneurship; Television Entertainment; Disruption; Business Strategy; Entertainment and Recreation Industry; Media and Broadcasting Industry; India; Mumbai

December 2019
Article

Communicating with Warmth in Distributive Negotiations Is Surprisingly Counterproductive

By: M. Jeong, J. Minson, M. Yeomans and F. Gino

When entering into a negotiation, individuals have the choice to enact a variety of communication styles. We test the differential impact of being “warm and friendly” versus “tough and firm” in a distributive negotiation, when first offers are held constant and... View Details

Keywords: Negotiation Style; Communication Strategy; Perception; Performance Effectiveness; Outcome or Result

February 2024 (Revised September 2024)
Case

TimeCredit

By: Emanuele Colonnelli, Raymond Kluender and Shai Benjamin Bernstein

TimeCredit is an artificial intelligence (AI) startup that is developing large language models (LLMs) to generate accounting memos. The case follows Ndonga Sagnia, a Gambian Harvard Business School MBA student with an accounting background, as she decides how much... View Details

Keywords: Accounting; Business Startups; Entrepreneurship; Financing and Loans; AI and Machine Learning; Entrepreneurial Finance; Identity; Technology Industry

April 2025
Supplement

Joe Mazzulla and the Boston Celtics (B)

By: Linda A. Hill, James I. Cash and Lydia Begag

This case is a supplement to “Joe Mazzulla and the Boston Celtics” (A) and is set against the backdrop of the 2024 NBA Finals. It describes the impact of Mazzulla’s decision to rally his team with an aggressive “go for the kill” mindset instead of choosing language... View Details

2019
Working Paper

Intelligent Artificiality: Algorithmic Microfoundations for Strategic Problem Solving

By: Mihnea Moldoveanu

This paper introduces algorithmic micro-foundations for formulating and solving strategic problems. It shows how the languages and disciplines of theoretical computer science, “artificial intelligence,” and computational complexity theory can be used to devise a set of... View Details

Keywords: Problems and Challenges; Analysis; Strategy; Framework; Management Analysis, Tools, and Techniques; Mathematical Methods