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Publications

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    • All HBS Web  (2,203)
      • Faculty Publications  (236)

      Group Effectiveness Remove Group Effectiveness →

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      • March–April 2023
      • Article

      You Need Two Leadership Gears: Know When to Take Charge and When to Get Out of the Way

      By: Lindy Greer, Francesca Gino and Robert Sutton
      The debate about the best way to lead has been raging for years: Should you empower your people and get out of their way, or take charge and push them to do great work? The answer, say the authors, is to do both. Their research shows that effective leaders routinely...  View Details
      Keywords: Leadership Style; Groups and Teams; Organizational Structure
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      Greer, Lindy, Francesca Gino, and Robert Sutton. "You Need Two Leadership Gears: Know When to Take Charge and When to Get Out of the Way." Harvard Business Review 101, no. 2 (March–April 2023): 76–85.
      • February 2023
      • Article

      Homophily and Acrophily as Drivers of Political Segregation

      By: Amit Goldenberg, Joseph M. Abruzzo, Zi Huang, Jonas Schone, David Bailey, Robb Willer, Eran Halperin and James J. Gross
      Political segregation is an important social problem, increasing polarization and impeding effective governance. Previous work has viewed the central driver of segregation to be political homophily, the tendency to associate with others who have similar views. Here we...  View Details
      Keywords: Political Affiliation; Extremism; Values and Beliefs; Identity; Groups and Teams; Emotions; Civil Society or Community
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      Goldenberg, Amit, Joseph M. Abruzzo, Zi Huang, Jonas Schone, David Bailey, Robb Willer, Eran Halperin, and James J. Gross. "Homophily and Acrophily as Drivers of Political Segregation." Nature Human Behaviour 7, no. 2 (February 2023): 219–230.
      • January 2023
      • Module Note

      Network Effects in Technology

      By: Andy Wu and Matt Higgins
      In business and strategy contexts, network effects are often accompanied by bandwagon (or herding) effects, positive feedback loops (or accumulated advantage effects), and market tipping (or winner-take-all dynamics). Though these phenomena are often grouped together...  View Details
      Keywords: Strategy; Network Effects
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      Wu, Andy, and Matt Higgins. "Network Effects in Technology." Harvard Business School Module Note 723-417, January 2023.
      • December 2022
      • Article

      The Task Bind: Explaining Gender Differences in Managerial Tasks and Performance

      By: Alexandra C. Feldberg
      This multi-method study of managers in a grocery chain identifies a novel mechanism by which threats of gender stereotypes undermine women’s ability to be effective managers. I find that women managers face a task bind, a dilemma that managers experience as they try to...  View Details
      Keywords: Gender Stereotypes; Gender; Managerial Roles; Performance Expectations
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      Feldberg, Alexandra C. "The Task Bind: Explaining Gender Differences in Managerial Tasks and Performance." Administrative Science Quarterly 67, no. 4 (December 2022): 1049–1092.
      • November 2022
      • Article

      Hate Crime Towards Minoritized Groups Increases as They Increase in Sized-Based 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; Prejudice and Bias; Attitudes; Demographics
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      Cikara, Mina, Vasiliki Fouka, and Marco Tabellini. "Hate Crime Towards Minoritized Groups Increases as They Increase in Sized-Based Rank." Nature Human Behaviour 6, no. 11 (November 2022): 1537–1544. (Pre-Published online August 8, 2022, Featured in HBS Working Knowledge and ABC News.)
      • Working Paper

      Representation and Extrapolation: Evidence from Clinical Trials

      By: Marcella Alsan, Maya Durvasula, Harsh Gupta, Joshua Schwartzstein and Heidi L. Williams
      This article examines the consequences and causes of low enrollment of Black patients in clinical trials. We develop a simple model of similarity-based extrapolation that predicts that evidence is more relevant for decision-making by physicians and patients when it...  View Details
      Keywords: Representation; Racial Disparity; Health Testing and Trials; Race; Equality and Inequality; Innovation and Invention; Pharmaceutical Industry
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      Alsan, Marcella, Maya Durvasula, Harsh Gupta, Joshua Schwartzstein, and Heidi L. Williams. "Representation and Extrapolation: Evidence from Clinical Trials." NBER Working Paper Series, No. 30575, October 2022. (Revise and resubmit, Quarterly Journal of Economics.)
      • September 2022
      • Case

      Blake Sports: Evolution of the CEO and the Executive Team

      By: Boris Groysberg and Katherine Connolly Baden
      Cameron (Cam) Barker, CEO and Founder of Blake Sports Apparel, sat in his office at his company’s headquarters in Birmingham, England, feeling stunned and disappointed. Only a few minutes prior, he had wrapped up a meeting with CFO James Ryan, a highly-respected star...  View Details
      Keywords: Leadership And Managing People; Leadership Skills; Team Dynamics; Team Effectiveness; Team Leadership; Team Management; Leadership Style; Leadership; Management; Management Skills; Management Style; Talent and Talent Management; Groups and Teams; United Kingdom
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      Groysberg, Boris, and Katherine Connolly Baden. "Blake Sports: Evolution of the CEO and the Executive Team." Harvard Business School Case 423-038, September 2022.
      • 2022
      • Working Paper

      The Impact of the Chinese Exclusion Act on the U.S. Economy

      By: Joe Long, Carlo Medici, Nancy Qian and Marco Tabellini
      This paper studies the impact of the Chinese Exclusion Act, which banned Chinese immigration to the United States after 1882, across U.S. counties between 1870 and 1940. We find that the Act reduced labor supply for both the Chinese and other groups (i.e., white and...  View Details
      Keywords: Immigration; Growth; Productivity; Business History; Economic Slowdown and Stagnation; Business and Government Relations; Prejudice and Bias; Government Legislation; United States
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      Long, Joe, Carlo Medici, Nancy Qian, and Marco Tabellini. "The Impact of the Chinese Exclusion Act on the U.S. Economy." Harvard Business School Working Paper, No. 23-008, March 2022.
      • August, 2022
      • Article

      Changing Ingroup Boundaries: The Effect of Immigration on Race Relations in the United States

      By: Vasiliki Fouka and Marco Tabellini
      How do social group boundaries evolve? Does the appearance of a new outgroup change the ingroup's perceptions of other outgroups? We introduce a conceptual framework of context-dependent categorization, in which exposure to one minority leads to recategorization of...  View Details
      Keywords: In-group-out-group Relations; Ingroup-outgroup Relations; Immigration; Race; Relationships; United States
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      Fouka, Vasiliki, and Marco Tabellini. "Changing Ingroup Boundaries: The Effect of Immigration on Race Relations in the United States." American Political Science Review 116, no. 3 (August, 2022): 968–984. (Featured in the Boston Globe, Washington Post, and HBS Working Knowledge.)
      • July 2022
      • Article

      A Strategic View of Team Learning in Organizations

      By: Jean-François Harvey, Henrik Bresman, Amy C. Edmondson and Gary P. Pisano
      Research in strategic management and organizational behavior has increasingly focused on understanding how organizations achieve and sustain performance in fast-changing environments. Strategy research suggests that senior managers, through their decisions, influence...  View Details
      Keywords: Strategic Management; Organization Behavior; Teams; Organizational Capabilities; Groups and Teams; Learning; Management; Decision Making; Performance; Organizational Design
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      Harvey, Jean-François, Henrik Bresman, Amy C. Edmondson, and Gary P. Pisano. "A Strategic View of Team Learning in Organizations." Academy of Management Annals 16, no. 2 (July 2022): 476–507.
      • June 2022 (Revised January 2023)
      • Case

      Buurtzorg

      By: Ethan Bernstein, Tatiana Sandino, Joost Minnaar and Annelena Lobb
      As co-founders of home nursing company Buurtzorg, Jos de Blok and Gonnie Kronenberg prized both self-management and organizational learning. Buurtzorg’s 10,000 nurses across 950 neighborhood nursing teams in the Netherlands were empowered to manage themselves, both in...  View Details
      Keywords: Healthcare; Best Practices; Best Practices Transfer; Flat Organization; Self-Managed Organizations; Self-Managed Teams; Organizational Learning; Knowledge Management; Learning; Management Practices and Processes; Human Resources; Communication; Organizational Structure; Organizational Design; Organizational Change and Adaptation; Groups and Teams; Networks; Health Industry; Netherlands; Europe
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      Bernstein, Ethan, Tatiana Sandino, Joost Minnaar, and Annelena Lobb. "Buurtzorg." Harvard Business School Case 122-101, June 2022. (Revised January 2023.)
      • 2022
      • Working Paper

      Distributional Consequences of Monetary Policy Across Races: Evidence from the U.S. Credit Register

      By: Laura Alfaro, Ester Faia and Camelia Minoiu
      We examine the consequences of monetary policy on racial disparities, focusing on the role of bank lending to firms through collateral and selection channels. Leveraging comprehensive loan-level data from the U.S. credit register (Y-14Q) of the Federal Reserve, we show...  View Details
      Keywords: Monetary Policy Transmission; Inequity; Credit Registry; Wealth; Collateral Channel; Selection; Racial Disparity; Racial Inequality; Equality and Inequality; Banks and Banking; Credit; Governing Rules, Regulations, and Reforms; Banking Industry; United States
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      Alfaro, Laura, Ester Faia, and Camelia Minoiu. "Distributional Consequences of Monetary Policy Across Races: Evidence from the U.S. Credit Register." Harvard Business School Working Paper, No. 22-068, April 2022.
      • 2022
      • Other Teaching and Training Material

      Organizational Behavior Reading: Managing Differences

      By: Robin Ely and Colleen Ammerman
      This reading provides principles and practices managers can draw upon to leverage differences in social identities - such as gender and race - to create more effective work relationships, teams, and organizations. The Essential Reading's first section draws upon...  View Details
      Keywords: Diversity; Groups and Teams; Prejudice and Bias; Identity; Management Practices and Processes
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      Ely, Robin, and Colleen Ammerman. "Organizational Behavior Reading: Managing Differences." Core Curriculum Readings Series. Boston, MA: Harvard Business Publishing 8394, 2022.
      • 2022
      • Working Paper

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

      By: Magie Cheng and Shunyuan Zhang
      The growth of the influencer marketing industry warrants an empirical examination of the effect of posting sponsored videos on an influencer’s reputation. We collect a novel dataset of user-generated YouTube videos created by prominent English-speaking influencers in...  View Details
      Keywords: Influencer Marketing; Social Influencers; Brand; Sponsorship; Video Analytics; Marketing; Brands and Branding; Media; Reputation
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      Cheng, Magie, and Shunyuan Zhang. "Reputation Burning: Analyzing the Impact of Brand Sponsorship on Social Influencers." Harvard Business School Working Paper, No. 22-067, April 2022.
      • April 2022
      • Article

      The Past Is Prologue? Venture-Capital Syndicates' Collaborative Experience and Start-Up Exits

      By: Dan Wang, Emily Cox Pahnke and Rory M. McDonald
      Past research has produced contradictory insights into how prior collaboration between organizations—their relational embeddedness—impacts collective collaborative performance. We theorize that the effect of relational embeddedness on collaborative success is...  View Details
      Keywords: Inter-organizational Networks; Collaboration; Entrepreneurship; Networks; Organizations; Performance; Venture Capital
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      Wang, Dan, Emily Cox Pahnke, and Rory M. McDonald. "The Past Is Prologue? Venture-Capital Syndicates' Collaborative Experience and Start-Up Exits." Academy of Management Journal 65, no. 2 (April 2022): 371–402.
      • 24 Feb 2022
      • Other Presentation

      The Fearless ICU

      By: Amy C. Edmondson
      The last 24 months have pushed ICU teams around the world to their limits. As we move forward, we need to heal and rebuild our critical care teams. Healthcare more than ever will require ICU teams to perform at the highest levels and to continuously innovate to deliver...  View Details
      Keywords: Psychological Safety; Teams; Critical Care; Health Care and Treatment; Groups and Teams; Performance Effectiveness
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      "The Fearless ICU." Critical Matters (podcast), Sound Physicians, February 24, 2022.
      • February 2022
      • Case

      Leading The UK Vaccine Task Force

      By: Amy C. Edmondson and Claudia Pienica
      This case describes the first six months of the UK Vaccine Taskforce, under the leadership of Kate Bingham. With a career spent in the private sector as a biotech investor, Bingham’s appointment within the government was considered unusual. The overarching brief given...  View Details
      Keywords: COVID-19; Vaccine; Government; Health Pandemics; Health Care and Treatment; Science; Innovation and Invention; Groups and Teams; Leadership; Decision Making; Government and Politics; Health; Innovation and Management; Governance; Change; Government Administration; Health Industry; Financial Services Industry; Public Administration Industry; Europe; United Kingdom
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      Edmondson, Amy C., and Claudia Pienica. "Leading The UK Vaccine Task Force." Harvard Business School Case 622-079, February 2022.
      • February 2022 (Revised May 2022)
      • Case

      Buddy Valastro: Cake Boss

      By: Boris Groysberg, Evan M.S. Hecht and Katherine Connolly Baden
      Buddy Valastro, celebrity baker and business owner, inherited his father’s bakery—Carlo’s Bake Shop of Hoboken, New Jersey—at the age of seventeen. He had willed the shop to survive and gone on to fame through his television show, “Cake Boss”—the name most people now...  View Details
      Keywords: Bakery; Entrepreneur; Scalability; Digital; Systems; Process Improvement; Team Effectiveness; Team Building; COVID-19 Pandemic; Food; Entrepreneurship; Family Business; Crisis Management; Change Management; Leadership; Creativity; Operations; Groups and Teams; Brands and Branding; Food and Beverage Industry; United States
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      Groysberg, Boris, Evan M.S. Hecht, and Katherine Connolly Baden. "Buddy Valastro: Cake Boss." Harvard Business School Case 422-060, February 2022. (Revised May 2022.)
      • 2022
      • Working Paper

      Hate Crime Increases with Minoritized Group Rank

      By: Marco E. 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." Harvard Business School Working Paper, No. 21-075, February 2022. (Permanent link here. Forthcoming at Nature Human Behaviour.)
      • 2022
      • Working Paper

      Feeling Seen: Leader Eye Gaze Promotes Psychological Safety, Participation, and Voice

      By: Nicole Abi-Esber, Alison Wood Brooks and Ethan Burris
      Psychological safety is a hallmark of effective team functioning. Although prior work shows that characteristics of the leader influence employee judgments of psychological safety (and subsequent decisions to speak up), we know very little about “the specific behaviors...  View Details
      Keywords: Eye Gaze; Psychological Safety; Voice; Participation; Nonverbal Behavior; Verbal Behavior; Ostracism; Conversation; Groups; Groups and Teams; Social Psychology; Safety; Leadership; Behavior
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      Abi-Esber, Nicole, Alison Wood Brooks, and Ethan Burris. "Feeling Seen: Leader Eye Gaze Promotes Psychological Safety, Participation, and Voice." Harvard Business School Working Paper, No. 22-048, January 2022.
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