Publications

October 2020
Teaching Note

Redefining Mogul

By: George Serafeim and Ethan Rouen

Teaching Note for HBS Case No. 120-043. View Details

March 2020 (Revised May 2021)
Case

Employee Activism

By: Ethan Rouen and Akari Furukawa

Liz O’Sullivan, an employee at a fast-growing technology company called Clarifi, had a moral dilemma: She disagreed with Clarifi’s decision to sell its image-recognition technology to the U.S. Department of Defense for possible use in weaponized drones. This case... View Details

Keywords: Activism; Employees; Moral Sensibility; Personal Development and Career; Decision Choices and Conditions

Educators

October 2019
Supplement

Tapping Growth at Lord Hobo Brewing Company Spreadsheet Supplement (Student)

By: Ethan Rouen and Susanna Gallani

2025
Working Paper

The Cybernetic Teammate: A Field Experiment on Generative AI Reshaping Teamwork and Expertise

By: Fabrizio Dell'Acqua, Charles Ayoubi, Hila Lifshitz, Raffaella Sadun, Ethan Mollick, Lilach Mollick, Yi Han, Jeff Goldman, Hari Nair, Stew Taub and Karim R. Lakhani

We examine how artificial intelligence transforms the core pillars of collaboration— performance, expertise sharing, and social engagement—through a pre-registered field experiment with 776 professionals at Procter & Gamble, a global consumer packaged goods company.... View Details

Keywords: Artificial Intelligence; Teamwork; Human-machine Interaction; Productivity; Skills; Innovation; Field Experiment; AI and Machine Learning; Groups and Teams; Competency and Skills; Performance Productivity; Collaborative Innovation and Invention; Product Development

December 2023
Teaching Note

Buurtzorg

By: Ethan Bernstein and Tatiana Sandino

Teaching Note for HBS Case No. 122-101. As co-founders of home nursing company Buurtzorg, Jos de Blok and Gonnie Kronenberg prized both self-management and organizational learning. Buurtzorg’s 10,000 nurses across 950 neighborhood nursing teams in the Netherlands were... View Details

Keywords: Health Care and Treatment; Employee Relationship Management; Knowledge Dissemination; Knowledge Management; Management Practices and Processes; Organizational Design; Organizational Structure; Groups and Teams; Learning; Health Industry; Netherlands

November–December 2023
Article

Network Centralization and Collective Adaptability to a Shifting Environment

By: Ethan S. Bernstein, Jesse C. Shore and Alice J. Jang

We study the connection between communication network structure and an organization’s collective adaptability to a shifting environment. Research has shown that network centralization—the degree to which communication flows disproportionately through one or more... View Details

Keywords: Network Centralization; Collective Intelligence; Organizational Change and Adaptation; Organizational Structure; Communication; Decision Making; Networks; Adaptation

Find at Harvard

May 2021
Supplement

Valuing Employment Case Spreadsheet Supplement

By: George Serafeim, Ethan Rouen and Katie Panella

May 2020
Teaching Plan

SK Group: Social Progress Credits

By: George Serafeim, Ethan Rouen and David Freiberg

Teaching Plan for HBS Case No. 120-071. View Details

March 2020 (Revised May 2020)
Case

Redefining Mogul

By: George Serafeim, Ethan Rouen and Sarah Gazzaniga

Tiffany Pham taught herself to code and created a technology platform, Mogul, with the goal of providing girls and women around the world with information and opportunities. After several years Mogul had reached more than 146 million women around the world and had... View Details

Keywords: Women; Inclusion; Technology; Branding; Social Impact; Entrepreneurship; Internet and the Web; Information; Knowledge Dissemination; Gender; Diversity; Brands and Branding; Expansion; Strategy; Media; Personal Development and Career; Technology Industry; Media and Broadcasting Industry; United States

Educators

Article

Financial Statement Errors: Evidence from the Distributional Properties of Financial Statement Numbers

By: Dan Amiram, Zahn Bozanic and Ethan Rouen

Find at Harvard

2022
Working Paper

Passing the Mic: Career and Firm Outcomes of Executive Interactions

By: Wei Cai, Ethan Rouen and Yuan Zou

We exploit a unique feature of conference calls to study one type of interaction among executives—directly inviting colleagues to respond to analysts’ questions. We find that the frequency of initiating interaction is positively associated with an executive’s ability,... View Details

Keywords: Conference Calls; CEO Succession; Executive Interactions; Promotion; Interpersonal Communication; Personal Development and Career; Retention

May 2021
Supplement

Valuing Employment Teaching Plan Spreadsheet Supplement

By: George Serafeim, Ethan Rouen and Katie Panella

2017
Working Paper

The Role of Taxes in the Disconnect Between Corporate Performance and Economic Growth

By: Urooj Khan, Suresh Nallareddy and Ethan Rouen

We investigate the relation between the growth in corporate profits and the overall U.S. economy, focusing on the impact of the U.S. corporate tax regime on this relation. We document that the growth of corporate profits, on average, has outpaced the growth of the... View Details

Keywords: Taxes; Gdp; Corporate Profits; American Jobs Creation Act Of 2004; Taxation; Economic Growth; Profit; United States

October 2023
Case

Driving Sustainability at AB InBev

By: Ethan Rouen and Antonio Manuel Oftelie

It was the height of the summer in 2022, and Michel Doukeris, the CEO of Anheuser-Busch InBev (AB InBev), and Peter Kraemer, the company’s Chief Supply Officer, gazed across the vast desert surrounding Zacatecas, Mexico. They were visiting their Grupo Modelo Brewery,... View Details

Keywords: Innovation; Transformation; Decisions; Environmental Sustainability; Leading Change; Growth Management; Business Model; Food and Beverage Industry; Mexico

Educators