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2025
Working Paper

Emotional Manipulation by AI Companions

By: Julian De Freitas, Zeliha Oğuz-Uğuralp and Ahmet Kaan-Uğuralp

AI-companion apps such as Replika, Chai, and Character.ai promise relational benefits—yet many boast session lengths that rival gaming platforms while suffering high long-run churn. What conversational design features increase consumer engagement, and what trade-offs... View Details

Keywords: Generative Ai; Chatbots; Emotional Manipulation; User Retention; Dark Side Of Technology; Consumer Welfare; AI and Machine Learning; Ethics; Consumer Behavior; Emotions; Perception

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

Keywords: Assimilation; Religious Organizations; Immigration; Religion; History; United States

July 2025 (Revised July 2025)
Case

Elon Musk, 2025: The Master of Big Bets?

By: David B. Yoffie

This case explores Elon Musk’s influence across business and politics in 2025, as he navigates the challenges of simultaneously leading multiple companies, such as Tesla, SpaceX, and xAI, while briefly serving in the U.S. government. It examines Musk’s high-stakes bets... View Details

Keywords: Strategy; Strategy And Leadership; Technological Innovation; Politics; Auto Industry

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

Keywords: Culture; Leadership Development; Corporate Strategy; Management; Performance; Personal Development and Career; Consumer Products Industry; Asia; India; Delhi

2025
Working Paper

Designing Consent: Choice Architecture and Consumer Welfare in Data Sharing

By: Chiara Farronato, Audrey Fradkin and Tesary Lin

We study the welfare consequences of choice architecture for online privacy using a field experiment that randomizes cookie consent banners. We study three ways in which firms or policymakers can influence choices: (1) nudging users through banner design to encourage... View Details

Keywords: Consumer Behavior; Decision Choices and Conditions; Welfare; Policy

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July 2025
Article

Digital Lending and Financial Well-Being: Through the Lens of Mobile Phone Data

By: AJ Chen, Omri Even-Tov, Jung Koo Kang and Regina Wittenberg-Moerman

To mitigate information asymmetry about borrowers in developing economies, digital lenders use machine-learning algorithms and nontraditional data from borrowers’ mobile devices. Consequently, digital lenders have managed to expand access to credit for millions of... View Details

Keywords: Informal Economy; Digital Banking; Mobile Phones; Developing Countries and Economies; Mobile and Wireless Technology; AI and Machine Learning; Analytics and Data Science; Credit; Borrowing and Debt; Well-being; Banking Industry; Kenya

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

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July 2025
Article

No Free Lunch? Welfare Analysis of Firms Selling Through Expert Intermediaries

By: Matt Grennan, Kyle R. Myers, Ashley Swanson and Aaron Chatterji

We study how firms target and influence expert intermediaries. In our context, pharmaceutical manufacturers provide payments to physicians during promotional interactions. We develop an identification strategy based on plausibly exogenous variation in payments driven... View Details

Keywords: Duopoly and Oligopoly; Marketing Channels; Power and Influence; Policy; Outcome or Result; Pharmaceutical Industry

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July 2025
Article

Reputation Burning: Analyzing the Impact of Brand Sponsorship on Social Influencers

By: Mengjie Cheng and Shunyuan Zhang

The growth of the influencer marketing industry warrants an empirical examination of the effect of posting sponsored videos on influencers' reputations. We collected a novel dataset of user-generated YouTube videos created by prominent English-speaking influencers in... View Details

Keywords: Reputation; Mathematical Methods; Marketing Reference Programs; Social Media; Brands and Branding

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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

Summer 2025
Article

Does Marriage Have a Future?

By: Debora L. Spar and Aryanna Garber

The article explores how technology is reshaping the institution of marriage, highlighting significant changes in societal norms and personal relationships. It discusses the decline in marriage rates in industrialized nations, particularly Japan and the United States,... View Details

Keywords: Family and Family Relationships; Technology Adoption; Society; Transformation; Emotions

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June 2025
Teaching Note

The Miccosukee Tribe and the Battle to Save the Everglades (B): The Art of Coalition Building

By: Rosabeth Moss Kanter and Jacob A. Small

Teaching Note for HBS Case No. 325-132. Curtis Osceola, Chief of Staff to the Chairman of the Miccosukee Tribe of Indians of Florida, exercised leadership to mobilize allies, deal with opposition, and forge internal and external multi-sector coalitions to help preserve... View Details

Keywords: Communication Strategy; Environmental Sustainability; Leadership; Projects; Alliances; Natural Environment; Power and Influence; Florida; Everglades National Park

2025
Working Paper

Small Business Innovation Applied to National Needs

By: Kyle Myers, Lauren Lanahan and Evan E. Johnson

Small businesses have long supplied a disproportionate share of major innovations in the United States. We review a centerpiece policy on this topic: the U.S. Small Business Innovation Research (SBIR) program. We trace its legislative history and summarize program... View Details

Keywords: Small Business; Innovation and Invention; Government Legislation; Entrepreneurial Finance; Business and Government Relations

June 2025
Supplement

The Miccosukee Tribe and the Battle to Save the Everglades (B): The Art of Coalition Building

By: Rosabeth Moss Kanter and Jacob A. Small

Supplement to the (A) case, 324-002 Curtis Osceola, Chief of Staff to the Chairman of the Miccosukee Tribe of Indians of Florida, exercised leadership to mobilize allies, deal with opposition, and forge internal and external multi-sector coalitions to help preserve the... View Details

Keywords: Communication Strategy; Environmental Sustainability; Leadership; Projects; Alliances; Natural Environment; Power and Influence; Florida; Everglades National Park

June 2025
Article

Riding the Passion Wave or Fighting to Stay Afloat? A Theory of Differentiated Passion Contagion

By: Emma Frank, Kai Krautter, Wen Wu and Jon M. Jachimowicz

Prior research suggests that employees benefit from highly passionate teammates because passion spreads easily from one employee to the next. We develop theory to propose that life in high-passion teams may not be as uniformly advantageous as previously assumed. We... View Details

Keywords: Passion; Emotional Contagion; Emotions; Groups and Teams; Employees; Power and Influence; Performance Improvement

May 2025 (Revised June 2025)
Background Note

Social Enterprise in Latin America

By: Brian L. Trelstad and Karina Souza

This research note provides an overview of the social enterprise ecosystem in Latin America, exploring current dynamics across key markets, including country-specific insights on Brazil, Mexico, Argentina, Colombia, Chile, and Central America. In a region characterized... View Details

May 2025
Teaching Note

Boutiqaat: Influencing Retail in MENA

By: Juan Alcacer and Noor Al Qadhi

Boutiqaat, a Kuwait-based e-commerce platform, scaled an influencer-driven beauty retail model across MENA and now faces critical strategic choices about offline expansion and globalization. Founded in 2015, Boutiqaat combined social commerce, localized logistics, and... View Details

Keywords: Emerging Markets; Digital Strategy; Growth and Development; Expansion; Global Strategy; Distribution Channels; Business Model; Beauty and Cosmetics Industry; Retail Industry; Kuwait; Saudi Arabia; Middle East; North Africa

May 2025
Case

Boutiqaat: Influencing Retail in MENA

By: Juan Alcacer and Noor Al Qadhi

Boutiqaat, a Kuwait-based e-commerce platform, scaled an influencer-driven beauty retail model across MENA and now faces critical strategic choices about offline expansion and globalization. Founded in 2015, Boutiqaat combined social commerce, localized logistics, and... View Details

Keywords: Emerging Markets; Digital Strategy; Growth and Development; Expansion; Distribution Channels; Global Strategy; Business Model; Market Design; Beauty and Cosmetics Industry; Retail Industry; Kuwait; Saudi Arabia; Middle East; North Africa

2025
Working Paper

Data-driven Technologies and Local Information Advantages in Small Business Lending

By: Wilbur Chen, Jung Koo Kang and Aditya Mohan

We investigate whether banks' adoption of data-driven technologies influences competitive dynamics in local small business lending by diminishing the information advantages traditionally held by local banks. Using local newspaper closures as an adverse shock to the... View Details

Keywords: Data-driven Technologies; Local Information Advantages; Local Banks; Relationship Lending; Small Business Loans; Small Business; Local Range; Financing and Loans; Banks and Banking; Analytics and Data Science; Banking Industry

2025
Chapter

Marjorie Yang Mun Tak 楊梅德：Entrepreneur and Innovator

By: William C. Kirby

BOOK ABSTRACT:
Chinese Encounters with America tells the stories of twelve women and men whose American experiences transformed their lives and influenced China’s trajectory, with a particular focus on the period after Beijing and Washington established... View Details

Keywords: International Relations; Leadership; China

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