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- October 2025
- Article
Measurement and Effects of Bank Exit Policies
By: Daniel Green and Boris Vallée
We study whether exit policies by financial institutions have financial and real consequences on the firms they target, using bank coal exit policies as a laboratory. In contrast to theories assuming high capital substitutability, we find large effects of these... View Details
Green, Daniel, and Boris Vallée. "Measurement and Effects of Bank Exit Policies." Journal of Financial Economics 172 (October 2025).
- Fall 2025
- Article
The Rise of Remote Work: Evidence on Productivity and Preferences from Firm and Worker Surveys
By: Alexander Bartik, Zoë Cullen, Edward L. Glaeser, Michael Luca and Christopher Stanton
Drawing on surveys of small business owners and employees, we present three main findings about the evolution of remote work after the onset of COVID-19. First, uptake of remote work was abrupt and widespread in jobs suitable for telework according to the task-based... View Details
Bartik, Alexander, Zoë Cullen, Edward L. Glaeser, Michael Luca, and Christopher Stanton. "The Rise of Remote Work: Evidence on Productivity and Preferences from Firm and Worker Surveys." Journal of Economics & Management Strategy 34, no. 3 (Fall 2025): 759–772.
- 2025
- Book
Concise Business Guide to Climate Change: What Managers, Executives, and Students Need to Know
Understanding the ground rules of climate change for business.
Climate has changed the game for businesses around the world. With climate-related disasters costing billions in damages and public pressure rising, over a hundred nations joined... View Details
Climate has changed the game for businesses around the world. With climate-related disasters costing billions in damages and public pressure rising, over a hundred nations joined... View Details
Trumbull, J. Gunnar. Concise Business Guide to Climate Change: What Managers, Executives, and Students Need to Know. Boston, MA: Harvard Business Review Press, 2025.
- Article
Faith and Assimilation: Italian Immigrants in the U.S.
By: Stefano Gagliarducci and Marco Tabellini
How do ethnic religious organizations influence immigrant assimilation? To answer this question, we assemble novel data from the Catholic directories to measure the presence of Italian Catholic churches in the US between 1890 and 1920, when four million Italians moved... View Details
Gagliarducci, Stefano, and Marco Tabellini. "Faith and Assimilation: Italian Immigrants in the U.S." Economic Journal 135, no. 670 (August 1, 2025): 1814–1851. (Also available from NBER and featured in NBER Digest and VoxEU.)
- July 2025
- Teaching Note
Greenwood Online: A Fin-Tech Service for Culture and Community
By: James Riley and Bernal Cortés
In 2020, Ryan Glover and Paul Judge launched Greenwood, a fintech startup designed to counter systemic racial discrimination in the American banking ecosystem by offering accessible financial services tailored to Black and Brown communities, but available to all.... View Details
- July 2025
- Case
Greenwood Online: A Fin-Tech Service for Culture and Community (A)
By: James Riley and Bernal Cortés
In 2020, Ryan Glover and Paul Judge launched Greenwood, a fintech startup designed to counter systemic racial discrimination in the American banking ecosystem by offering accessible financial services tailored to Black and Brown communities, but available to all.... View Details
- July 2025
- Background Note
Ecosystem Disruption: A Multi-Stakeholder View of Disruptive Innovations
By: E. Ofek, Michael Haenlein, Eitan Muller and Roman Welden
The purpose of this note is to offer a more expansive view of how innovations disrupt markets than has been portrayed thus far in the extant literature by taking an ecosystem perspective. This broader outlook allows examining not only the product strategies of the... View Details
- July 2025
- Supplement
Meghna Modi at Revlon India: Leading with a Bold Purpose (B)
By: Aiyesha Dey and Sarah Sasso
This follow-up case is about Meghna Modi, the CEO of struggling cosmetics company Revlon India, and the actions she takes as she tries to both turn the company around and integrate her personal purpose into her work. Influenced by her own life struggles, Modi feels... View Details
- 2025
- Working Paper
Rethinking Volume
By: Philippe van der Beck, Lorenzo Bretscher and Zhiyu Julie Fu
Gross trading volumes in financial markets are large and far exceed return volatility. In contrast, “net volume”—trading from persistent portfolio reallocations—is substantially lower, as it excludes transitory round-trip trades. This observation reveals a fundamental... View Details
van der Beck, Philippe, Lorenzo Bretscher, and Zhiyu Julie Fu. "Rethinking Volume." Harvard Business School Working Paper, No. 26-003, July 2025.
- July 2025
- Article
Extraverts Reap Greater Social Rewards from Passion Because They Express Passion More Frequently and More Diversely
By: Kai Krautter, Anabel Büchner and Jon M. Jachimowicz
Passion is stereotypically expressed through animated facial expressions, energetic body movements, varied tone, and pitch—and met with interpersonal benefits. However, these capture only a subset of passion expressions that are more common for extraverts. Indeed, in... View Details
Keywords: Passion; Personality; Extraversion; Scale Development; Perception; Personal Characteristics
Krautter, Kai, Anabel Büchner, and Jon M. Jachimowicz. "Extraverts Reap Greater Social Rewards from Passion Because They Express Passion More Frequently and More Diversely." Personality and Social Psychology Bulletin 51, no. 7 (July 2025): 1159–1172.
- July 2025
- Article
How Important Is Editorial Gatekeeping? Evidence from Top Biomedical Journals
By: Joshua L. Krieger, Kyle R. Myers and Ariel D. Stern
We examine editors' influence on the scientific content of academic journals by unpacking the role of three major forces: journals' missions, aggregate supply of and demand for specific topics, and scientific homophily via editorial gatekeeping. In a sample of top... View Details
Keywords: Editors; Biomedical Research; Editorial Gatekeeping; Scientific Homophily; Intellectual Capital; Mission and Purpose; Journals and Magazines; Intellectual Property; Innovation and Invention; Human Capital; Higher Education; Publishing Industry
Krieger, Joshua L., Kyle R. Myers, and Ariel D. Stern. "How Important Is Editorial Gatekeeping? Evidence from Top Biomedical Journals." Review of Economics and Statistics 107, no. 4 (July 2025): 1159–1168.
- 2025
- Working Paper
The Extent and Drivers of Internal Agglomeration of U.S. Multi-Unit Firms
By: Juan Alcácer and Jasmina Chauvin
This paper examines the extent and determinants of internal agglomeration—the spatial clustering of establishments within firms. It introduces a novel methodology that benchmarks a firm’s spatial footprint against that of comparable stand-alone firms, yielding a... View Details
Keywords: Multi-unit Firms; Agglomeration; Spatial Organization; Economies Of Scope; Organizational Design; Diversification; Corporate Strategy; Business Units
Alcácer, Juan, and Jasmina Chauvin. "The Extent and Drivers of Internal Agglomeration of U.S. Multi-Unit Firms." Harvard Business School Working Paper, No. 26-002, July 2025.
- 2025
- Working Paper
Where Discovery Happens: Research Institutions and Fundamental Knowledge in the Life-Sciences
By: Amitabh Chandra and Connie Xu
Fundamental knowledge in the life sciences has consequential implications for medicine and subsequent medical innovations. Using publications in leading life science journals to measure fundamental knowledge, we document large agglomerations in the institutions where... View Details
Chandra, Amitabh, and Connie Xu. "Where Discovery Happens: Research Institutions and Fundamental Knowledge in the Life-Sciences." NBER Working Paper Series, No. 33996, July 2025.
- 2025
- Working Paper
Public Displays of Alignment: Firm Speech in Autocratic Regimes
By: Joris Mueller, Jaya Y. Wen and Cheryl Wu
Political speech by firms is increasingly common around the world. This paper
examines the government as an important, yet understudied, audience for
such speech, focusing on how Chinese firms rhetorically align with the state.
We introduce novel, general, and... View Details
Keywords: Business and Government Relations; Economic Systems; Power and Influence; Government Administration; Policy; China
Mueller, Joris, Jaya Y. Wen, and Cheryl Wu. "Public Displays of Alignment: Firm Speech in Autocratic Regimes." Harvard Business School Working Paper, No. 25-064, June 2025.
- June 2025
- Case
The Value of Art on Campus as a Vision for Educating Leaders Who Make a Difference
By: James Riley, Alexis Lefort and Helen Yap
This case explores the debate surrounding the installation of a large contemporary sculpture, Inés by Jaume Plensa, at Harvard Business School under the leadership of Dean Nitin Nohria. Set in 2016, the case examines the role of physical campus design and public art in... View Details
- June 2025
- Case
(Family) Size Matters: Nico Oprée and the Decreasing Power of Family Unity over Time
By: Lauren Cohen, Octavian Graf Pilati, Dominik V. Eynern and Sophia Pan
Nico Oprée, a fourth-generation (G4) member of his family’s heavy manufacturing business, found himself reflecting on how the firm would navigate a deepening shareholder conflict. While the second generation (G2) had managed the business in harmony, dynamics shifted... View Details
Keywords: Family Functioning And Support; Family Business; Family and Family Relationships; Family Ownership; Mergers and Acquisitions; Corporate Governance; Resignation and Termination; Leadership Style; Management Succession; Size; Negotiation Offer; Private Ownership; Business and Shareholder Relations; Trust; Conflict of Interests; Conflict Management; Business Exit or Shutdown; Selection and Staffing; Manufacturing Industry; Germany
- June 2025
- Case
AI Wars in 2025
By: Andy Wu and Anna Yang
In June 2025, Google leaders in Mountain View, CA convened after its parent company Alphabet shed a quarter-trillion in market capitalization in a matter of months. The immediate spark—the quiet revelation that Google searches had dipped for the first time in 20... View Details
- June 2025
- Exercise
Full-Funnel Advertising on TikTok: An Experiment
By: Jeremy Yang and Ayelet Israeli
TikTok’s Marketing Science team developed a new type of advertising strategy beyond branding and performance advertising, called full-funnel advertising. Branding ads focused on brand building at the top of the funnel by generating consumer awareness, while performance... View Details
Keywords: Social Media; Advertising; Brands and Branding; Digital Marketing; Marketing Strategy; Measurement and Metrics
Yang, Jeremy, and Ayelet Israeli. "Full-Funnel Advertising on TikTok: An Experiment." Harvard Business School Exercise 525-066, June 2025.
- June 2025
- Exercise
Full-Funnel Advertising on TikTok: An Experiment (Solution)
By: Jeremy Yang and Ayelet Israeli
TikTok’s Marketing Science team developed a new type of advertising strategy beyond branding and performance advertising, called full-funnel advertising. Branding ads focused on brand building at the top of the funnel by generating consumer awareness, while performance... View Details
Keywords: Social Media; Advertising; Brands and Branding; Digital Marketing; Marketing Strategy; Measurement and Metrics
Yang, Jeremy, and Ayelet Israeli. "Full-Funnel Advertising on TikTok: An Experiment (Solution)." Harvard Business School Exercise 525-067, June 2025.
- June 2025
- Case
Khabar Lahariya
By: Ranjay Gulati and Kanika Jain
Founded and run entirely by women, Khabar Lahariya was a leading digital media portal, known for its uniquely feminist perspective and rural focus. It started in 2002 as a non-profit print publication, and by 2023, had evolved into a multimedia news site that was part... View Details