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    • All HBS Web  (1,167)
      • Faculty Publications  (134)

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      • 2022
      • Working Paper

      Small Campaign Donors

      By: Laurent Bouton, Julia Cagé, Edgard Dewitte and Vincent Pons
      In this paper, we study the characteristics and behavior of small donors, and compare them to those of large donors. We first build a novel dataset including all the 340 million individual contributions reported to the U.S. Federal Election Commission between 2005 and...  View Details
      Keywords: Campaign Finance; Campaign Contributions; Small Donations; ActBlue; WinRed; TV Advertising; Political Elections; Finance; Demographics; Advertising; Analysis
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      Bouton, Laurent, Julia Cagé, Edgard Dewitte, and Vincent Pons. "Small Campaign Donors." NBER Working Paper Series, No. 30050, May 2022.
      • 2021
      • Working Paper

      Public Disclosure of Private Meetings: Does Observing Peers' Information Acquisition Affect Analysts' Attention Allocation?

      By: Yi Ru, Ronghuo Zheng and Yuan Zou
      We investigate the impact of observing peers’ information acquisition on financial analysts’ attention allocation. Using the timely disclosure mandate by the Shenzhen Stock Exchange as a setting, we find that, when analysts can observe that a firm is visited by other...  View Details
      Keywords: Attention Allocation; Informational Efficiency; Corporate Site Visits; Externalities; Information; Acquisition; Corporate Disclosure; Outcome or Result
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      Ru, Yi, Ronghuo Zheng, and Yuan Zou. "Public Disclosure of Private Meetings: Does Observing Peers' Information Acquisition Affect Analysts' Attention Allocation?" Harvard Business School Working Paper, No. 22-064, July 2021.
      • 2022
      • Article

      Social Interactivity in Live Video Experiences Reduces Loneliness

      By: Benjamin T. Kaveladze, Robert R. Morris, Rosa Victoria Dimitrova-Gammeltoft, Amit Goldenberg, James J. Gross, Judd Antin, Melissa Sandgren and Melissa C. Thomas-Hunt
      Background: Loneliness, especially when chronic, can substantially reduce one's quality of life. However, positive social experiences might help to break cycles of loneliness by promoting more prosocial cognitions and behaviors. Internet-mediated live video...  View Details
      Keywords: Lonelines; Social Connection; Internet-mediated Communication; Experiment; Emotions; Well-being; Interpersonal Communication; Internet
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      Kaveladze, Benjamin T., Robert R. Morris, Rosa Victoria Dimitrova-Gammeltoft, Amit Goldenberg, James J. Gross, Judd Antin, Melissa Sandgren, and Melissa C. Thomas-Hunt. "Social Interactivity in Live Video Experiences Reduces Loneliness." Frontiers in Digital Health 4:859849 (2022).
      • 2022
      • Article

      Which Corporate ESG News Does the Market React To?

      By: George Serafeim and Aaron Yoon
      Using a dataset that classifies firm-level ESG news as positive and negative, we examine how stock prices react to different types of ESG news. We analyze 111,020 firm-day observations for 3,126 companies and find that prices react only to issues identified as...  View Details
      Keywords: ESG; ESG (Environmental, Social, Governance) Performance; ESG Ratings; Social Capital; Environment; Sustainability; CSR; Stock Price; Stock Market Expectations; Materiality; Market Reaction; Environmental Sustainability; Governance; Social Issues; Performance; News
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      Serafeim, George, and Aaron Yoon. "Which Corporate ESG News Does the Market React To?" Financial Analysts Journal 78, no. 1 (2022): 59–78.
      • February 2022
      • Case

      Toraya

      By: Lauren Cohen and Akiko Kanno
      Mitsuharu Kurokawa was the 18th generation leader of a family firm that produced and sold premium Japanese sweets, Toraya Confectionery Co., Ltd. He had succeeded the business from his father, Mitsuhiro Kurokawa who had led the firm for thirty years. Mitsuharu was...  View Details
      Keywords: Branding; Luxury Brand; Succession; Family Business; Management Succession; Brands and Branding; Luxury; Marketing; Expansion; Globalization; Innovation and Invention; Customer Satisfaction; Food and Beverage Industry; Retail Industry; Japan
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      Cohen, Lauren, and Akiko Kanno. "Toraya." Harvard Business School Case 222-068, February 2022.
      • 2022
      • Working Paper

      Hate Crime Increases with Minoritized Group Rank

      By: Mina Cikara, Vasiliki Fouka and Marco Tabellini
      People are on the move in unprecedented numbers within and between countries. How does demographic change affect local intergroup dynamics? In complement to accounts that emphasize stereotypical features of groups as determinants of their treatment, we propose the...  View Details
      Keywords: Prejudice; Minority; Hate Crimes; Reference Dependence; Demographics; Rank and Position; Prejudice and Bias; Crime and Corruption
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      Cikara, Mina, Vasiliki Fouka, and Marco Tabellini. "Hate Crime Increases with Minoritized Group Rank." Working Paper, February 2022. (Permanent link here. Accepted at Nature of Human Behaviour.)
      • 2022
      • Working Paper

      Human Mobility and the Globalization of Knowledge Production: Causal Evidence from Multinational Enterprises

      By: Dany Bahar, Prithwiraj Choudhury, James M. Sappenfield and Sara Signorelli
      We investigate how reforms that ease or restrict human mobility affect global innovation. We leverage a unique dataset merging patent data with exhaustive information on business-related migration reforms that take place in 15 countries over 26 years, and employ a...  View Details
      Keywords: Migration; Technology; Policy Evaluation; Patents; Information Technology; Immigration; Policy; Collaborative Innovation and Invention; Globalization
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      Bahar, Dany, Prithwiraj Choudhury, James M. Sappenfield, and Sara Signorelli. "Human Mobility and the Globalization of Knowledge Production: Causal Evidence from Multinational Enterprises." Harvard Business School Working Paper, No. 22-047, January 2022.
      • December 2021
      • Article

      Left- and Right-Leaning News Organizations Use Negative Emotional Content and Elicit User Engagement Similarly

      By: Andrea Bellovary, Nathaniel Young and Amit Goldenberg
      Negativity has historically dominated news content; however, little research has examined how news organizations use affect on social media, where content is generally positive. In the current project we ask a few questions: Do news organizations on Twitter use...  View Details
      Keywords: Negative Press; Twitter; Political Affiliation; Affect; News; Media; Internet and the Web; Emotions; Perspective; Social Media
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      Bellovary, Andrea, Nathaniel Young, and Amit Goldenberg. "Left- and Right-Leaning News Organizations Use Negative Emotional Content and Elicit User Engagement Similarly." Affective Science 2, no. 4 (December 2021): 391–396.
      • November 2021
      • Article

      Venture Capitalists and COVID-19

      By: Paul A. Gompers, Will Gornall, Steven N. Kaplan and Ilya A. Strebulaev
      We survey over 1,000 institutional and corporate venture capitalists (VCs) at more than 900 different firms to learn how their decisions and investments have been affected by the COVID-19 pandemic. We compare their survey answers to those provided by a large sample of...  View Details
      Keywords: Investment Decisions; COVID-19 Pandemic; Impact; Health Pandemics; Venture Capital; Investment; Decision Making; Surveys
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      Gompers, Paul A., Will Gornall, Steven N. Kaplan, and Ilya A. Strebulaev. "Venture Capitalists and COVID-19." Journal of Financial and Quantitative Analysis 56, no. 7 (November 2021).
      • 2021
      • Working Paper

      Invisible Primes: Fintech Lending with Alternative Data

      By: Marco Di Maggio, Dimuthu Ratnadiwakara and Don Carmichael
      We exploit anonymized administrative data provided by a major fintech platform to investigate whether using alternative data to assess borrowers’ creditworthiness results in broader credit access. Comparing actual outcomes of the fintech platform’s model to...  View Details
      Keywords: Fintech Lending; Alternative Data; Machine Learning; Algorithm Bias; Finance; Information Technology; Financing and Loans; Analytics and Data Science; Credit
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      Di Maggio, Marco, Dimuthu Ratnadiwakara, and Don Carmichael. "Invisible Primes: Fintech Lending with Alternative Data." Harvard Business School Working Paper, No. 22-024, October 2021.
      • Article

      Learning Models for Actionable Recourse

      By: Alexis Ross, Himabindu Lakkaraju and Osbert Bastani
      As machine learning models are increasingly deployed in high-stakes domains such as legal and financial decision-making, there has been growing interest in post-hoc methods for generating counterfactual explanations. Such explanations provide individuals adversely...  View Details
      Keywords: Machine Learning Models; Recourse; Algorithm; Mathematical Methods
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      Ross, Alexis, Himabindu Lakkaraju, and Osbert Bastani. "Learning Models for Actionable Recourse." Advances in Neural Information Processing Systems (NeurIPS) 34 (2021).
      • 2021
      • Working Paper

      Virtual Watercoolers: A Field Experiment on Virtual Synchronous Interactions and Performance of Organizational Newcomers

      By: Iavor Bojinov, Prithwiraj Choudhury and Jacqueline N. Lane
      Do virtual, yet informal and synchronous, interactions affect individual performance outcomes of organizational newcomers? We report results from a randomized field experiment conducted at a large global organization that estimates the performance effects of “virtual...  View Details
      Keywords: Remote Work; Virtual Water Coolers; Social Interactions; Careers; Field Experiment; Employees; Interpersonal Communication; Internet and the Web; Performance; Personal Development and Career
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      Bojinov, Iavor, Prithwiraj Choudhury, and Jacqueline N. Lane. "Virtual Watercoolers: A Field Experiment on Virtual Synchronous Interactions and Performance of Organizational Newcomers." Harvard Business School Working Paper, No. 21-125, May 2021.
      • January–February 2021
      • Article

      Cross‐firm Return Predictability and Accounting Quality

      By: Wen Chen, Mozaffar Khan, Leonid Kogan and George Serafeim
      We test the hypothesis that if poor accounting quality (AQ) is associated with poor investor understanding of firms’ revenue and cost structures, then poor AQ stocks likely respond more slowly than good AQ stocks to new non‐idiosyncratic information that affects both...  View Details
      Keywords: Accounting Quality; Earnings Quality; Stock Returns; Investment Strategy; Accounting; Business Earnings; Quality; Investment Return; Investment; Strategy
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      Chen, Wen, Mozaffar Khan, Leonid Kogan, and George Serafeim. "Cross‐firm Return Predictability and Accounting Quality." Journal of Business Finance & Accounting 48, nos. 1-2 (January–February 2021): 70–101.
      • 2020
      • Working Paper

      Learning with People Like Me: The Role of Age-Similar Peers on Online Business Course Engagement

      By: Laura R. Huber, Jacqueline N. Lane and Karim R. Lakhani
      Over the past decade, online learning has witnessed tremendous growth in popularity due to its ability to reach diverse participants in a scalable manner. However, one primary area of concern is the low course completion rates in digital platform-based learning,...  View Details
      Keywords: Homophily; Online Courses; Social Engagement; Business Skills Training; Business Education; Internet and the Web; Knowledge Sharing; Age
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      Huber, Laura R., Jacqueline N. Lane, and Karim R. Lakhani. "Learning with People Like Me: The Role of Age-Similar Peers on Online Business Course Engagement." Harvard Business School Working Paper, No. 21-072, December 2020.
      • December 2020 (Revised April 2021)
      • Case

      Arcos Dorados: A QSR Recovery Plan

      By: Forest Reinhardt, José B. Alvarez, Jenyfeer Martinez Buitrago and Mariana Cal
      Arcos Dorados—McDonald’s largest independent franchisee, covering Latin America and the Caribbean (LAC)—faced a pandemic that was disrupting the entire consumer foodservice business in 2020. With the exclusive right to own, operate, and sub-franchise McDonald’s...  View Details
      Keywords: Agribusiness; Animal-Based Agribusiness; Plant-Based Agribusiness; Customer Value and Value Chain; Income; Macroeconomics; Environmental Management; Environmental Sustainability; Cross-Cultural and Cross-Border Issues; Food; Health Pandemics; Crisis Management; Logistics; Corporate Social Responsibility and Impact; Strategic Planning; Food and Beverage Industry; Agriculture and Agribusiness Industry; Retail Industry; Latin America; Aruba; Guadeloupe; Martinique; Mexico; Panama; Costa Rica; Argentina; Brazil; Chile; Colombia; Ecuador; French Guiana; Peru; Uruguay; Venezuela; Puerto Rico; Trinidad and Tobago
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      Reinhardt, Forest, José B. Alvarez, Jenyfeer Martinez Buitrago, and Mariana Cal. "Arcos Dorados: A QSR Recovery Plan." Harvard Business School Case 721-023, December 2020. (Revised April 2021.)
      • November 2020
      • Teaching Note

      DayTwo: Going to Market with Gut Microbiome

      By: Ayelet Israeli
      Teaching Note for HBS Case No. 519-010. DayTwo is a young Israeli startup that applies research on the gut microbiome and machine learning algorithms to deliver personalized nutritional recommendations to its users in order to minimize blood sugar spikes after meals....  View Details
      Keywords: Start-up Growth; Startup; Positioning; Targeting; Go To Market Strategy; B2B Vs. B2C; B2B2C; Health & Wellness; AI; Machine Learning; Female Ceo; Female Protagonist; Science-based; Science And Technology Studies; Ecommerce; Applications; DTC; Direct To Consumer Marketing; US Health Care; "USA,"; Innovation; Pricing; Business Growth; Segmentation; Distribution Channels; Growth and Development Strategy; Business Startups; Science-Based Business; Health; Innovation and Invention; Marketing; Information Technology; Business Growth and Maturation; E-commerce; Applications and Software; Health Industry; Technology Industry; Insurance Industry; Information Technology Industry; Food and Beverage Industry; Israel; United States
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      Israeli, Ayelet. "DayTwo: Going to Market with Gut Microbiome." Harvard Business School Teaching Note 521-052, November 2020.
      • 2020
      • Working Paper

      Venture Capitalists and COVID-19

      By: Paul A. Gompers, Will Gornall, Steven N. Kaplan and Ilya A. Strebulaev
      We survey over 1,000 institutional and corporate venture capitalists (VCs) at more than 900 different firms to learn how their decisions and investments have been affected by the COVID-19 pandemic. We compare their survey answers to those provided by a large sample of...  View Details
      Keywords: Venture Capital; Health Pandemics; Investment; Decision Making; Surveys
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      Gompers, Paul A., Will Gornall, Steven N. Kaplan, and Ilya A. Strebulaev. "Venture Capitalists and COVID-19." NBER Working Paper Series, No. 27824, September 2020.
      • Article

      Cultural Diversity on Wall Street: Evidence from Consensus Earnings Forecasts

      By: Kenneth Merkley, Roni Michaely and Joseph Pacelli
      We examine how cultural differences among agents influence the aggregate outcome of a common forecasting task. Using both exogenous shocks to sell-side analyst diversity and panel regression methods, we find that increases in analyst cultural diversity positively...  View Details
      Keywords: Culture; Forecasting; Sell-side Analysts; Information Aggregation; Diversity; Forecasting and Prediction; Information; Performance Improvement
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      Merkley, Kenneth, Roni Michaely, and Joseph Pacelli. "Cultural Diversity on Wall Street: Evidence from Consensus Earnings Forecasts." Journal of Accounting & Economics 70, no. 1 (August 2020).
      • 2021
      • Working Paper

      Does Who Helps You Impact Your Behavior? Examining the Effects of Social Interactions on Knowledge Sharing in Online Communities

      By: Eunkwang Seo, Frank Nagle and Sonali K. Shah
      Online communities provide vibrant forums for knowledge sharing and are increasingly being used by individual users and firms to source knowledge and create and capture value. Yet, there is much to learn about how the actions of community members affect other members,...  View Details
      Keywords: Online Communities; Knowledge Development; Innovation; Reciprocity; Knowledge Sharing; Networks; Innovation and Invention; Interpersonal Communication
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      Seo, Eunkwang, Frank Nagle, and Sonali K. Shah. "Does Who Helps You Impact Your Behavior? Examining the Effects of Social Interactions on Knowledge Sharing in Online Communities." Harvard Business School Working Paper, No. 21-026, August 2020. (Revised July 2021.)
      • July–September 2020
      • Article

      Innovation Contest: Effect of Perceived Support for Learning on Participation

      By: Olivia Jung, Andrea Blasco and Karim R. Lakhani
      Background: Frontline staff are well positioned to conceive improvement opportunities based on first-hand knowledge of what works and does not work. The innovation contest may be a relevant and useful vehicle to elicit staff ideas. However, the success of the...  View Details
      Keywords: Contest; Innovation; Employee Engagement; Organizational Learning; Health Care; Health Care Delivery; Innovation and Invention; Organizations; Learning; Employees; Perception; Health Care and Treatment
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      Jung, Olivia, Andrea Blasco, and Karim R. Lakhani. "Innovation Contest: Effect of Perceived Support for Learning on Participation." Health Care Management Review 45, no. 3 (July–September 2020): 255–266.
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