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Publications

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    • All HBS Web  (724)
      • Faculty Publications  (239)

      Consumer PsychologyRemove Consumer Psychology →

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      • April 2025
      • Article

      Serving with a Smile on Airbnb: Analyzing the Economic Returns and Behavioral Underpinnings of the Host’s Smile

      By: Shunyuan Zhang, Elizabeth Friedman, Kannan Srinivasan, Ravi Dhar and Xupin Zhang
      Non-informational cues, such as facial expressions, can significantly influence judgments and interpersonal impressions. While past research has explored how smiling affects business outcomes in offline or in-store contexts, relatively less is known about how smiling... View Details
      Keywords: Sharing Economy; Airbnb; Image Feature Extraction; Machine Learning; Facial Expressions; Prejudice and Bias; Nonverbal Communication; E-commerce; Consumer Behavior; Perception
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      Zhang, Shunyuan, Elizabeth Friedman, Kannan Srinivasan, Ravi Dhar, and Xupin Zhang. "Serving with a Smile on Airbnb: Analyzing the Economic Returns and Behavioral Underpinnings of the Host’s Smile." Journal of Consumer Research 51, no. 6 (April 2025): 1073–1097.
      • February 2025
      • Case

      Managing Complexity at mymuesli

      By: Thomas Graeber and Stacy Straaberg
      In April 2009, direct-to-consumer e-commerce muesli brand mymuesli faced a flood of customer questions. The breakfast cereal startup enabled users to order personalized muesli on its website by choosing from 75 organic ingredients for a total of 566 quadrillion... View Details
      Keywords: Customer Satisfaction; Decisions; Food; Product Marketing; Product Positioning; Product Launch; Problems and Challenges; Behavior; Competitive Advantage; Customization and Personalization; Segmentation; Internet and the Web; Food and Beverage Industry; Europe; Germany
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      Graeber, Thomas, and Stacy Straaberg. "Managing Complexity at mymuesli." Harvard Business School Case 925-008, February 2025.
      • February 2025
      • Article

      Disclosure, Humanizing, and Contextual Vulnerability of Generative AI Chatbots

      By: Julian De Freitas and I. Glenn Cohen
      In the wake of recent advancements in generative AI, regulatory bodies are trying to keep pace. One key decision is whether to require app makers to disclose the use of generative AI-powered chatbots in their products. We suggest that some generative AI-based chatbots... View Details
      Keywords: AI and Machine Learning; Governing Rules, Regulations, and Reforms; Applications and Software; Well-being
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      De Freitas, Julian, and I. Glenn Cohen. "Disclosure, Humanizing, and Contextual Vulnerability of Generative AI Chatbots." New England Journal of Medicine AI 2, no. 2 (February 2025).
      • January 2025
      • Article

      Reducing Prejudice with Counter-stereotypical AI

      By: Erik Hermann, Julian De Freitas and Stefano Puntoni
      Based on a review of relevant literature, we propose that the proliferation of AI with human-like and social features presents an unprecedented opportunity to address the underlying cognitive and affective drivers of prejudice. An approach informed by the psychology of... View Details
      Keywords: Prejudice and Bias; AI and Machine Learning; Interpersonal Communication; Social and Collaborative Networks
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      Hermann, Erik, Julian De Freitas, and Stefano Puntoni. "Reducing Prejudice with Counter-stereotypical AI." Consumer Psychology Review 8, no. 1 (January 2025): 75–86.
      • November 2024
      • Case

      Demond Martin and WellWithAll

      By: Hise Gibson, Archie L. Jones and Ai-Ling Jamila Malone
      This case study chronicles the transformative entrepreneurial path of Demond Martin, co-founder and CEO of WellWithAll, a health and wellness startup. Motivated by a pivotal life experience and deep concern for racial health inequities, Martin transitions from a... View Details
      Keywords: Customers; Diversity; Ethnicity; Race; Health; Recruitment; Leadership Style; Management Style; Brands and Branding; Marketing Strategy; Product Launch; Product Positioning; Organizational Culture; Mission and Purpose; Relationships; Trust; Business Strategy; Competitive Strategy; Competitive Advantage; Investment; Business Startups; Transition; Entrepreneurship; Consumer Products Industry; Consumer Products Industry; Consumer Products Industry; United States; Chicago; Boston; Atlanta; North Carolina; District of Columbia
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      Gibson, Hise, Archie L. Jones, and Ai-Ling Jamila Malone. "Demond Martin and WellWithAll." Harvard Business School Case 625-041, November 2024.
      • November 2024
      • Case

      Innovation at Master Kong Beverages

      By: David E. Bell and Shu Lin
      Hong-Chen Wei (HBS MBA 2014), Chairman of KSF Beverage Holding Co., Ltd. (KSFB), was steering the company toward the premium segment with the launch of “InheriTea,” a premium, sugar-free tea product. Traditionally, KSFB’s flagship brand, Master Kong, catered to the... View Details
      Keywords: Consumer Behavior; Trends; Behavior; Collaborative Innovation and Invention; Product Launch; Product Development; Segmentation; Organizational Culture; Product Positioning; Consumer Products Industry; Consumer Products Industry; Consumer Products Industry; Consumer Products Industry; Asia; China
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      Bell, David E., and Shu Lin. "Innovation at Master Kong Beverages." Harvard Business School Case 525-037, November 2024.
      • Fall 2024
      • Article

      The Problem of Good Conduct Among Financial Advisers

      By: Mark Egan, Gregor Matvos and Amit Seru
      Households in the United States often rely on financial advisers for investment and savings decisions, yet there is a widespread perception that many advisers are dishonest. This distrust is not unwarranted: approximately one in fifteen advisers has a history of... View Details
      Keywords: Personal Finance; Behavioral Finance; Trust; Financial Services Industry
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      Egan, Mark, Gregor Matvos, and Amit Seru. "The Problem of Good Conduct Among Financial Advisers." Journal of Economic Perspectives 38, no. 4 (Fall 2024): 193–210.
      • 2025
      • Working Paper

      Lessons from an App Update at Replika AI: Identity Discontinuity in Human-AI Relationships

      By: Julian De Freitas, Noah Castelo, Ahmet K. Uğuralp and Zeliha O. Uğuralp
      As consumers increasingly interact with AI applications specialized for social relationships, what is the nature and depth of these relationships among actual users, and can company actions influence these dynamics? We find that active users of the US-based AI... View Details
      Keywords: AI and Machine Learning; Welfare; Loss; Well-being; Identity; Perception; Relationships
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      De Freitas, Julian, Noah Castelo, Ahmet K. Uğuralp, and Zeliha O. Uğuralp. "Lessons from an App Update at Replika AI: Identity Discontinuity in Human-AI Relationships." Harvard Business School Working Paper, No. 25-018, October 2024. (Revised May 2025.)
      • September 2024 (Revised November 2024)
      • Case

      Carrie Wang: Choosing Between the Family Firm and the Family Spirit

      By: Lauren Cohen, Fei Wu and Sophia Pan
      Carrie Wang, Investment Head of the Wang’s single-family office, contemplated her next career steps. As one of the first businessmen who had risen from China’s industrial rise, her father had grown his wealth to a considerable level, eventually requesting that his... View Details
      Keywords: Family Office; Interests Of Consumers; Family Business; Business Growth and Maturation; Financial Management; Financial Strategy; Financial Markets; Investment Portfolio; Investment Return; Private Equity; Customer Relationship Management; Interests; Reputation; Work-Life Balance; Real Estate Industry; China
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      Cohen, Lauren, Fei Wu, and Sophia Pan. "Carrie Wang: Choosing Between the Family Firm and the Family Spirit." Harvard Business School Case 225-031, September 2024. (Revised November 2024.)
      • 2024
      • Working Paper

      “If You’re Not There… You’re Not There”: How Art Market Platforms Induce Status Anxiety to Coerce Participation

      By: James Riley and Ezra Zuckerman Sivan
      This paper, an 18-month ethnographic investigation of international art fairs (IAFs), shows how market platforms can have a coercive effect, inducing sellers (i.e., art galleries) to participate despite ambivalence over their value and anxiety over the process by which... View Details
      Keywords: Market Participation; Status and Position; Competition; Demand and Consumers; Fine Arts Industry
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      Riley, James, and Ezra Zuckerman Sivan. "“If You’re Not There… You’re Not There”: How Art Market Platforms Induce Status Anxiety to Coerce Participation." Working Paper, August 2024.
      • July 2024
      • Article

      Acceptance of Automated Vehicles Is Lower for Self than Others

      By: Stuti Agarwal, Julian De Freitas, Anya Ragnhildstveit and Carey K. Morewedge
      Road traffic accidents are the leading cause of death worldwide for people aged 2–59. Nearly all deaths are due to human error. Automated vehicles could reduce mortality risks, traffic congestion, and air pollution of human-driven vehicles. However, their adoption... View Details
      Keywords: Transportation; Risk and Uncertainty; Technology Adoption; Prejudice and Bias
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      Agarwal, Stuti, Julian De Freitas, Anya Ragnhildstveit, and Carey K. Morewedge. "Acceptance of Automated Vehicles Is Lower for Self than Others." Journal of the Association for Consumer Research 9, no. 3 (July 2024): 269–281.
      • July 2024
      • Article

      Chatbots and Mental Health: Insights into the Safety of Generative AI

      By: Julian De Freitas, Ahmet Kaan Uğuralp, Zeliha Uğuralp and Stefano Puntoni
      Chatbots are now able to engage in sophisticated conversations with consumers. Due to the ‘black box’ nature of the algorithms, it is impossible to predict in advance how these conversations will unfold. Behavioral research provides little insight into potential safety... View Details
      Keywords: Autonomy; Chatbots; New Technology; Brand Crises; Mental Health; Large Language Model; AI and Machine Learning; Behavior; Well-being; Technological Innovation; Ethics
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      De Freitas, Julian, Ahmet Kaan Uğuralp, Zeliha Uğuralp, and Stefano Puntoni. "Chatbots and Mental Health: Insights into the Safety of Generative AI." Journal of Consumer Psychology 34, no. 3 (July 2024): 481–491.
      • July, 2024
      • Article

      Consumer Protection in an Online World: An Analysis of Occupational Licensing

      By: Chiara Farronato, Andrey Fradkin, Bradley Larsen and Erik Brynjolfsson
      We study the demand and supply implications of occupational licensing using transaction-level data from a large online platform for home improvement services. We find that demand is more responsive to a professional's reviews than to the professional's... View Details
      Keywords: Occupational Licensing; Consumer Protection; Perception; Experience and Expertise; Public Opinion; Governing Rules, Regulations, and Reforms; Demand and Consumers
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      Farronato, Chiara, Andrey Fradkin, Bradley Larsen, and Erik Brynjolfsson. "Consumer Protection in an Online World: An Analysis of Occupational Licensing." American Economic Journal: Applied Economics 16, no. 3 (July, 2024): 549–579.
      • July 2024
      • Article

      How Artificial Intelligence Constrains Human Experience

      By: A. Valenzuela, S. Puntoni, D. Hoffman, N. Castelo, J. De Freitas, B. Dietvorst, C. Hildebrand, Y.E. Huh, R. Meyer, M. Sweeney, S. Talaifar, G. Tomaino and K. Wertenbroch
      Many consumption decisions and experiences are digitally mediated. As a consequence, consumer behavior is increasingly the joint product of human psychology and ubiquitous algorithms (Braun et al. 2024; cf. Melumad et al. 2020). The coming of age of Large Language... View Details
      Keywords: Large Language Model; User Experience; AI and Machine Learning; Consumer Behavior; Technology Adoption; Risk and Uncertainty; Cost vs Benefits
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      Valenzuela, A., S. Puntoni, D. Hoffman, N. Castelo, J. De Freitas, B. Dietvorst, C. Hildebrand, Y.E. Huh, R. Meyer, M. Sweeney, S. Talaifar, G. Tomaino, and K. Wertenbroch. "How Artificial Intelligence Constrains Human Experience." Journal of the Association for Consumer Research 9, no. 3 (July 2024): 241–256.
      • 2024
      • Working Paper

      How Inflation Expectations De-Anchor: The Role of Selective Memory Cues

      By: Nicola Gennaioli, Marta Leva, Raphael Schoenle and Andrei Shleifer
      In a model of memory and selective recall, household inflation expectations remain rigid when inflation is anchored but exhibit sharp instability during inflation surges, as similarity prompts retrieval of forgotten high-inflation experiences. Using data from the New... View Details
      Keywords: Cognition and Thinking; Inflation and Deflation; Personal Finance
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      Gennaioli, Nicola, Marta Leva, Raphael Schoenle, and Andrei Shleifer. "How Inflation Expectations De-Anchor: The Role of Selective Memory Cues." NBER Working Paper Series, No. 32633, June 2024.
      • July 1, 2024
      • Article

      Research: Speed Matters When Companies Respond to Social Issues

      By: Alison Wood Brooks, Jimin Nam, Maya Balakrishnan and Julian De Freitas
      Companies and their leaders face new pressures to make public statements about controversial and sometimes divisive social and political issues. New research shows that timing matters: consumers perceive a relationship between speed and authenticity, and discount... View Details
      Keywords: Perception; Social Issues; Public Opinion; Communication Strategy
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      Brooks, Alison Wood, Jimin Nam, Maya Balakrishnan, and Julian De Freitas. "Research: Speed Matters When Companies Respond to Social Issues." Harvard Business Review (website) (July 1, 2024).
      • 2024
      • Working Paper

      The Value of Silence: The Effect of UMG’s Licensing Dispute with TikTok on Music Demand

      By: Mengjie (Magie) Cheng, Elie Ofek and Hema Yoganarasimhan
      Social media platforms like TikTok have transformed how music is discovered, consumed, and monetized. This study examines the implications of the dispute between TikTok and Universal Music Group (UMG), which resulted in UMG excluding its music from TikTok from... View Details
      Keywords: Demand And Consumers; Monetization; Social Media; Revenue; Conflict and Resolution; Music Industry
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      Cheng, Mengjie (Magie), Elie Ofek, and Hema Yoganarasimhan. "The Value of Silence: The Effect of UMG’s Licensing Dispute with TikTok on Music Demand." Harvard Business School Working Paper, No. 25-014, July 2024. (Revised October 2024.)
      • 2024
      • Working Paper

      Webmunk: A New Tool for Studying Online Behavior and Digital Platforms

      By: Chiara Farronato, Andrey Fradkin and Chris Karr
      Understanding the behavior of users online is important for researchers, policymakers, and private companies alike. But observing online behavior and conducting experiments is difficult without direct access to the user base and software of technology companies. We... View Details
      Keywords: Policy; Technology Adoption; Behavior; Research; Consumer Behavior; Internet and the Web
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      Farronato, Chiara, Andrey Fradkin, and Chris Karr. "Webmunk: A New Tool for Studying Online Behavior and Digital Platforms." NBER Working Paper Series, No. 32694, July 2024.
      • 2024
      • Working Paper

      AI Companions Reduce Loneliness

      By: Julian De Freitas, Ahmet K. Uğuralp, Zeliha O. Uğuralp and Stefano Puntoni
      Chatbots are now able to engage in sophisticated conversations with consumers in the domain of relationships, providing a potential coping solution to widescale societal loneliness. Behavioral research provides little insight into whether these applications are... View Details
      Keywords: AI and Machine Learning; Technological Innovation; Behavior; Well-being
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      De Freitas, Julian, Ahmet K. Uğuralp, Zeliha O. Uğuralp, and Stefano Puntoni. "AI Companions Reduce Loneliness." Harvard Business School Working Paper, No. 24-078, June 2024.
      • May 2024
      • Teaching Note

      The Meteoric Rise of Skims

      By: Ayelet Israeli, Jill Avery and Leonard A. Schlesinger
      Teaching Note for HBS Case No. 524-023, "The Meteoric Rise of Skims." View Details
      Keywords: Brand; Branding; Direct-to-consumer; DTC; Influencers; Influencer Marketing; Fashion; Growth; Direct Marketing; Influence; Reputation; Social Influence; Consumer Goods; Consumer Products; Female Entrepreneur; Female Protagonist; Entrepreneurship And Strategy; Brand & Product Management; Competitive Advantage; Online Followers; Retail; Retail Formats; Retailing; Online Retail; Celebrities; Celebrity; Celebrity Endorsement; Go To Market Strategy; Apparel; Startup Marketing; Startups; Brands and Branding; Growth and Development Strategy; Growth Management; Distribution Channels; Digital Marketing; Advertising; Power and Influence; Social Media; Consumer Products Industry; Consumer Products Industry; Consumer Products Industry; United States
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      Israeli, Ayelet, Jill Avery, and Leonard A. Schlesinger. "The Meteoric Rise of Skims." Harvard Business School Teaching Note 524-067, May 2024.
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