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      • 2022
      • Working Paper

      Retail Investors’ Contrarian Behavior Around News and the Momentum Effect

      By: Cheng (Patrick) Luo, Enrichetta Ravina, Marco Sammon and Luis M. Viceira
      Using a large panel of U.S. brokerage accounts trades and positions, we show that a large fraction of retail investors trade as contrarians after large earnings surprises, especially for loser stocks, and that such contrarian trading contributes to post earnings...  View Details
      Keywords: Retail Investors; Post Earnings Announcement Drift; Price Momentum; Behavioral Finance; Investment; Demographics
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      Luo, Cheng (Patrick), Enrichetta Ravina, Marco Sammon, and Luis M. Viceira. "Retail Investors’ Contrarian Behavior Around News and the Momentum Effect." Working Paper, June 2022.
      • May 2022
      • Case

      Founder Collective

      By: Jo Tango and Alys Ferragamo
      FC launched in 2009 with a clear mission: to be the most aligned fund for founders at the seed stage. In keeping with its mission, FC maintained smaller fund sizes and was not a lifecycle investor. By November of 2021, however, the seed market had gotten more...  View Details
      Keywords: Seed Investing; Business Startups; Mission and Purpose; Investment; Competitive Strategy
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      Tango, Jo, and Alys Ferragamo. "Founder Collective." Harvard Business School Case 822-129, May 2022.
      • 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.
      • March 2022 (Revised April 2022)
      • Teaching Note

      Group Functions at the Maersk Group

      By: David J. Collis
      In 2014, seven years after he was appointed CEO of the Danish shipping and oil conglomerate A.P. Møller Maersk (the Maersk Group), Nils Andersen was reexamining the size and role of corporate headquarters in the company he had reshaped as a "premium conglomerate."...  View Details
      Keywords: Maersk; Business Units; Conglomerates; Decentralization; Core Business; Value Added; Synergy; Headquarters; Shipping; Petroleum; Oil And Gas; Drilling; Corporate Strategy; Business Conglomerates; Business Divisions; Transportation Industry; Shipping Industry; Denmark
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      Collis, David J. "Group Functions at the Maersk Group." Harvard Business School Teaching Note 722-417, March 2022. (Revised April 2022.)
      • March 2022
      • Article

      When Less Is More: Consumers Prefer Brands that Donate More in Relative versus Absolute Terms

      By: Elizabeth A. Keenan, Anne V. Wilson and Leslie K. John
      When trying to make a good impression on consumers through charitable giving, is it better for brands to maximize the overall dollars they donate or how much they give in relative terms; for example, the proportion of profits? Across five studies we show that consumers...  View Details
      Keywords: Cause-related Marketing; Charitable Donations; Generosity; Altruism; Philanthropy and Charitable Giving; Brands and Branding; Consumer Behavior
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      Keenan, Elizabeth A., Anne V. Wilson, and Leslie K. John. "When Less Is More: Consumers Prefer Brands that Donate More in Relative versus Absolute Terms." Marketing Letters 33, no. 1 (March 2022): 31–43.
      • February 2022 (Revised April 2022)
      • Case

      BUA Group

      By: John D. Macomber, Pippa Tubman Armerding and Wale Lawal
      BUA Group must decide between investments in cement, road building, power generation, or sugar. Private businesses are important to economic development in Africa. Students must assess the competitive nature of each of these industries, the magnitude of capital...  View Details
      Keywords: Investing; Transportation; Strategy; Project Finance; Agribusiness; Construction; Infrastructure; Governing Rules, Regulations, and Reforms; Agriculture and Agribusiness Industry; Nigeria; Africa
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      Macomber, John D., Pippa Tubman Armerding, and Wale Lawal. "BUA Group." Harvard Business School Case 222-062, February 2022. (Revised April 2022.)
      • February 9, 2022
      • Article

      What's the Optimal Workplace for Your Organization?

      By: Maria P. Roche and Andy Wu
      More than two years in the COVID-19 pandemic, companies are struggling with how to reimagine their workspaces for their strategic needs. Too often, leaders push the decision down the road when, in fact, taking decisive action now can pay off later. But how do you...  View Details
      Keywords: Workplace; Organization; Hybrid Organizations; Office Space; Growth; Remote Work; Strategy; Organizations; Growth and Development; Working Conditions
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      Roche, Maria P., and Andy Wu. "What's the Optimal Workplace for Your Organization?" Harvard Business Review Digital Articles (February 9, 2022).
      • February 2022
      • Case

      NFX Capital and Moov Technologies

      By: Scott Duke Kominers and Nicole Tempest Keller
      In July 2019, James Currier, a general partner at San Francisco-based NFX Ventures, was considering a seed stage investment of $1.5 million in Moov Technologies, a B2B marketplace for used industrial equipment. NFX was a venture capital firm focused on seed-stage...  View Details
      Keywords: Venture Capital; Network Effects; Marketplace Matching; Digital Platforms; Market Design; Applications and Software; Semiconductor Industry; Financial Services Industry; San Francisco
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      Kominers, Scott Duke, and Nicole Tempest Keller. "NFX Capital and Moov Technologies." Harvard Business School Case 822-045, 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.)
      • Article

      Scandal, Social Movement, and Change: Evidence from #MeToo in Hollywood

      By: Hong Luo and Laurina Zhang
      Social movements have the potential to effect change in firm decision-making. In this paper, we examine whether the #MeToo movement, spurred by the Harvey Weinstein scandal, led to changes in the likelihood of Hollywood producers working with female writers on new...  View Details
      Keywords: Gender Inequality; Social Movement; Scandal; Creative Industries; Project Selection; Gender; Equality and Inequality; Social Issues; Film Entertainment; Projects; Change
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      Luo, Hong, and Laurina Zhang. "Scandal, Social Movement, and Change: Evidence from #MeToo in Hollywood." Management Science 68, no. 2 (February 2022): 1278–1296.
      • February 2022
      • Article

      Sugar-sweetened Beverage Purchases and Intake at Event Arenas with and without a Portion Size Cap

      By: Sheri Volger, James Scott Parrott, Brian Elbel, Leslie K. John, Jason P. Block, Pamela Rothpletz-Puglia and Christina A. Roberto
      This is the first real-world study to examine the association between a voluntary 16-ounce (oz.) portion-size cap on sugar-sweetened beverages (SSB) at a sporting arena on volume of SSBs and food calories purchased and consumed during basketball games. Cross-sectional...  View Details
      Keywords: Sugar-sweetened Beverages; Nutrition Policy; Obesity Prevention; Portion Sizes; Nutrition; Policy; Health; Behavior
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      Volger, Sheri, James Scott Parrott, Brian Elbel, Leslie K. John, Jason P. Block, Pamela Rothpletz-Puglia, and Christina A. Roberto. "Sugar-sweetened Beverage Purchases and Intake at Event Arenas with and without a Portion Size Cap." Art. 101661. Preventative Medicine Reports 25 (February 2022).
      • January 2022
      • Case

      Bee-ing Better at Bombas

      By: Elizabeth A. Keenan, Youngme Moon and John Masko
      David Heath and Randy Goldberg founded Bombas in 2013 to serve two missions: to deliver the “best socks in the history of feet,” and to donate socks (the most requested item in homeless shelters) to Americans experiencing homelessness. Eight years later, Bombas had...  View Details
      Keywords: Social Entrepreneurship; Values and Beliefs; Brands and Branding; Marketing Strategy; Digital Marketing; Distribution; Corporate Social Responsibility and Impact; Mission and Purpose; Quality; Business and Stakeholder Relations; Human Needs; Poverty; Growth and Development Strategy; Apparel and Accessories Industry; New York (city, NY)
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      Keenan, Elizabeth A., Youngme Moon, and John Masko. "Bee-ing Better at Bombas." Harvard Business School Case 522-038, January 2022.
      • January 2022
      • Article

      Artificial Intelligence, Data-Driven Learning, and the Decentralized Structure of Platform Ecosystems

      By: David R. Clough and Andy Wu
      Gregory, Henfridsson, Kaganer, and Kyriakou (2020) highlight the important role of data and AI as strategic resources that platforms may use to enhance user value. However, their article overlooks a significant conceptual distinction: the installed base of...  View Details
      Keywords: Artificial Intelligence; Data Strategy; Ecosystem; Value Capture; Digital Platforms; Analytics and Data Science; Strategy; Learning; Value Creation; AI and Machine Learning; Technology Industry; Information Technology Industry; Video Game Industry; Advertising Industry
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      Clough, David R., and Andy Wu. "Artificial Intelligence, Data-Driven Learning, and the Decentralized Structure of Platform Ecosystems." Academy of Management Review 47, no. 1 (January 2022): 184–189.
      • January–February 2022
      • Article

      Mobilizing the U.S. Military’s TRICARE Program for Value-Based Care: A Report From the Defense Health Board

      By: Robert S. Kaplan, Paul R. Schaettle, Vivian S. Lee, Michael D. Parkinson, Gregory H. Gorman and Michael-Anne Browne
      The U.S. Military Health System spends about $50 billion annually through its TRICARE health plans to provide care to 9.6 million active duty service members, retirees, and their families. TRICARE, historically, has used the predominant U.S. fee-for-service payment...  View Details
      Keywords: Military Health System; Value-based Healthcare; Health Care and Treatment; United States
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      Kaplan, Robert S., Paul R. Schaettle, Vivian S. Lee, Michael D. Parkinson, Gregory H. Gorman, and Michael-Anne Browne. "Mobilizing the U.S. Military’s TRICARE Program for Value-Based Care: A Report From the Defense Health Board." Military Medicine 187, nos. 1-2 (January–February 2022): 12–16.
      • 2021
      • Working Paper

      Friends and Family Money: P2P Transfers and Financially Fragile Consumers

      By: Tetyana Balyuk and Emily Williams
      We assess the impact that real time money transfer technology has on consumer outcomes, particularly during periods of financial fragility. We do this by developing a new data set that documents use of Zelle—the most widely used P2P money transfer technology in the...  View Details
      Keywords: P2P Money Transfers; Real Time Payments; Fintech; Finance; Information Technology; Personal Finance; Financial Condition
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      Balyuk, Tetyana, and Emily Williams. "Friends and Family Money: P2P Transfers and Financially Fragile Consumers." Working Paper, November 2021.
      • November 2021
      • Article

      Panel Experiments and Dynamic Causal Effects: A Finite Population Perspective

      By: Iavor Bojinov, Ashesh Rambachan and Neil Shephard
      In panel experiments, we randomly assign units to different interventions, measuring their outcomes, and repeating the procedure in several periods. Using the potential outcomes framework, we define finite population dynamic causal effects that capture the relative...  View Details
      Keywords: Panel Data; Dynamic Causal Effects; Potential Outcomes; Finite Population; Nonparametric; Mathematical Methods
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      Bojinov, Iavor, Ashesh Rambachan, and Neil Shephard. "Panel Experiments and Dynamic Causal Effects: A Finite Population Perspective." Quantitative Economics 12, no. 4 (November 2021): 1171–1196.
      • 2021
      • Working Paper

      Loan Officers Impede Graduation from Microfinance: Strategic Disclosure in a Large Microfinance Institution

      By: Natalia Rigol and Benjamin N. Roth
      One of the most important puzzles in microfinance is the low rate of borrower graduation to larger, more flexible loans. Utilizing observational and experimental data from a large Chilean microfinance institution, we demonstrate that loan officers impede borrower...  View Details
      Keywords: Loan Officers; Strategic Behavior; Strategic Disclosure; Microfinance; Financial Institutions; Financing and Loans
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      Rigol, Natalia, and Benjamin N. Roth. "Loan Officers Impede Graduation from Microfinance: Strategic Disclosure in a Large Microfinance Institution." NBER Working Paper Series, No. 29427, October 2021.
      • October 2021 (Revised March 2022)
      • Case

      SmartOne: Building an AI Data Business

      By: Karim R. Lakhani, Pippa Armerding, Gamze Yucaoglu and Fares Khrais
      The case opens in August 2021, as Habib and Shahysta Hassim, husband and wife co-founders of the data labeling company SmartOne, contemplate the strategy of the high growth company. Between 2016 and 2021, SmartOne had kept doubling its size every two years and now,...  View Details
      Keywords: Artificial Intelligence; Data Labeling; Entrepreneurship; Strategy; Operations; Business Model; Growth Management; Growth and Development Strategy; AI and Machine Learning; Africa; Madagascar; Europe; France; United States
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      Lakhani, Karim R., Pippa Armerding, Gamze Yucaoglu, and Fares Khrais. "SmartOne: Building an AI Data Business." Harvard Business School Case 622-059, October 2021. (Revised March 2022.)
      • September 2021
      • Case

      MAYA Capital

      By: Robert F. White, Carla Larangeira and Pedro Levindo
      MAYA Capital co-founders Lara Lemann and Monica Saggioro raised $41.5 million through a series of closings for their early-stage Latin American venture capital fund. The two women had met for the first time in mid-2016 when Lemann was contemplating scaling her angel...  View Details
      Keywords: Early Stage; Portfolio Construction; Fund Management; Investment; Entrepreneurship; Venture Capital; Investment Portfolio; Strategy; Business Startups; Management; Latin America
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      White, Robert F., Carla Larangeira, and Pedro Levindo. "MAYA Capital." Harvard Business School Case 822-038, September 2021.
      • August 2021
      • Case

      Livongo: Scaling a Purpose-Driven Organization in Healthcare

      By: Ranjay Gulati, Aseem Shukla and Reva Nohria
      When seasoned entrepreneur Glen Tullman founded the chronic health care startup Livongo in 2014, it was personal. His son lived with diabetes, and Tullman knew firsthand how taxing it could be to manage such an unrelenting disease. Livongo set out to empower people...  View Details
      Keywords: Healthcare Industry; Scaling; Telehealth; Health Care and Treatment; Small Business; Internet and the Web; Customer Focus and Relationships; Growth and Development Strategy; Opportunities; Mergers and Acquisitions; Health Industry
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      Gulati, Ranjay, Aseem Shukla, and Reva Nohria. "Livongo: Scaling a Purpose-Driven Organization in Healthcare." Harvard Business School Case 422-017, August 2021.
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