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      • Faculty Publications  (162)

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      • September 16, 2022
      • Article

      A Causal Test of the Strength of Weak Ties

      By: Karthik Rajkumar, Guillaume Saint-Jacques, Iavor I. Bojinov, Erik Brynjolfsson and Sinan Aral
      The authors analyzed data from multiple large-scale randomized experiments on LinkedIn’s People You May Know algorithm, which recommends new connections to LinkedIn members, to test the extent to which weak ties increased job mobility in the world’s largest...  View Details
      Keywords: Job Mobility; Social Networks; Social Ties; Networks; Personal Development and Career
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      Rajkumar, Karthik, Guillaume Saint-Jacques, Iavor I. Bojinov, Erik Brynjolfsson, and Sinan Aral. "A Causal Test of the Strength of Weak Ties." Science 377, no. 6612 (September 16, 2022).
      • September 2022
      • Article

      Find and Replace: R&D Investment Following the Erosion of Existing Products

      By: Joshua L. Krieger, Xuelin Li and Richard T. Thakor
      How do innovative firms react when existing products experience negative shocks? We explore this question with detailed project-level data from drug development firms. Using FDA Public Health Advisories as idiosyncratic negative shocks to approved drugs, we first...  View Details
      Keywords: R&D Investments; Drug Development; Product Shocks; M&A; Biopharmaceutical Industry; FDA; System Shocks; Research and Development; Investment; Decision Making; Pharmaceutical Industry
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      Krieger, Joshua L., Xuelin Li, and Richard T. Thakor. "Find and Replace: R&D Investment Following the Erosion of Existing Products." Management Science 68, no. 9 (September 2022): 6552–6571.
      • September 2022
      • Article

      Human Versus Machine: A Comparison of Robo-Analyst and Traditional Research Analyst Investment Recommendations

      By: Braiden Coleman, Kenneth J. Merkley and Joseph Pacelli
      We provide the first comprehensive analysis of the properties of investment recommendations generated by “Robo-Analysts,” which are human analyst-assisted computer programs conducting automated research analysis. Our results indicate that Robo-Analyst recommendations...  View Details
      Keywords: Fintech; Analysts; Robo-analysts; Investment Recommendations; Investment; Information Technology; Performance
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      Coleman, Braiden, Kenneth J. Merkley, and Joseph Pacelli. "Human Versus Machine: A Comparison of Robo-Analyst and Traditional Research Analyst Investment Recommendations." Accounting Review 97, no. 5 (September 2022): 221–244.
      • August 2022
      • Article

      The U.S. Approach to Antitrust Policy in Technology Markets

      By: Shane Greenstein
      This report illustrates the strengths and weaknesses of the U.S. approach to antitrust policy by drawing lessons from three cases: United States v. AT&T, United States v. Microsoft, and United States v. Google. The cases against AT&T and Microsoft are historical cases,...  View Details
      Keywords: Antitrust; Lawsuits and Litigation; Information Technology; Competition
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      Greenstein, Shane. "The U.S. Approach to Antitrust Policy in Technology Markets." AEI Digital Platforms and American Life Project (August 2022).
      • May 2022
      • Case

      America's Budget Impasse, 2009-2022

      By: Richard H.K. Vietor
      The United States has been a fiscal mess for years…at least since the financial crisis in 2009. This case describes the U.S. economy during the presidencies of Barack Obama, Donald Trump and now, Joe Biden’s first year. The case is composed of excerpts from the...  View Details
      Keywords: Growth; Fiscal Deficits; Unemployment; Balance Of Payments; United States; Macroeconomics; Taxes; Fiscal Policy; Economy; Performance; Taxation; Budgets and Budgeting; Economic Growth; Business and Government Relations; United States
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      Vietor, Richard H.K. "America's Budget Impasse, 2009-2022." Harvard Business School Case 722-073, May 2022.
      • Article

      Weak Corporate Insolvency Rules: The Missing Driver of Zombie Lending

      By: Bo Becker and Victoria Ivashina
      "Zombie lending"—lending to less-productive firms at subsidized rates—can help banks with misaligned incentives in the short run, but it prolongs economic downturns. We propose that inefficient resolution of insolvency is a significant contributor to this problem. We...  View Details
      Keywords: Zombie Credit; Insolvency and Bankruptcy; Financing and Loans; Economic Slowdown and Stagnation
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      Becker, Bo, and Victoria Ivashina. "Weak Corporate Insolvency Rules: The Missing Driver of Zombie Lending." AEA Papers and Proceedings 112 (May 2022): 516–520.
      • 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.
      • January 2022
      • Article

      Pushed into a Crowd: Repositioning Costs, Resources, and Competition in the RTE Cereal Industry

      By: Young Hou and Dennis Yao
      This paper exploits a natural experiment involving self-regulation in the ready-to-eat (RTE) breakfast cereal industry to evaluate the performance impact of product repositioning. It then examines how a product's brand equity value declines with repositioning distance...  View Details
      Keywords: Positioning; Resources; Brand Equity; Competitive Dynamics; Non-market Strategy; Regulation; Repositioning; Product Positioning; Performance Evaluation; Brands and Branding; Competitive Strategy; Consumer Products Industry
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      Hou, Young, and Dennis Yao. "Pushed into a Crowd: Repositioning Costs, Resources, and Competition in the RTE Cereal Industry." Strategic Management Journal 43, no. 1 (January 2022): 3–29.
      • Article

      How Direct-to-Consumer Brands Can Continue to Grow

      By: V. Kasturi Rangan, Daniel Corsten, Matt Higgins and Leonard A. Schlesinger
      Direct-to-consumer (DTC) brands such as Allbirds, Casper, Peloton, and Warby Parker have creatively found a weakness in the marketing citadel of incumbent brands. By using data gleaned from daily interactions with customers, these brands have been able to adapt how...  View Details
      Keywords: Direct-to-consumer; Customer Journey; Business Model; Customer Relationship Management; Growth and Development Strategy
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      Rangan, V. Kasturi, Daniel Corsten, Matt Higgins, and Leonard A. Schlesinger. "How Direct-to-Consumer Brands Can Continue to Grow." Harvard Business Review 99, no. 6 (November–December 2021): 101–109.
      • 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.
      • October 2021
      • Case

      Financial Reporting at Mattel

      By: Aiyesha Dey, Trung Nguyen, Marshal Herrmann and Julia Kelley
      In September 2020, Diana Ferguson was nearing her first Audit Committee meeting as the newly appointed Audit Committee chair of Mattel, Inc. Mattel was just recovering from an accounting scandal which had revealed the company’s poor internal controls and weak board...  View Details
      Keywords: Accounting; Accounting Audits; Financial Reporting; Financial Statements; Governance; Corporate Accountability; Corporate Disclosure; Corporate Governance; Governance Compliance; Governance Controls; Governing Rules, Regulations, and Reforms; Governing and Advisory Boards; Lawsuits and Litigation; Business and Shareholder Relations; Consumer Products Industry; Entertainment and Recreation Industry; Financial Services Industry; North and Central America; United States; California
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      Dey, Aiyesha, Trung Nguyen, Marshal Herrmann, and Julia Kelley. "Financial Reporting at Mattel." Harvard Business School Case 122-006, October 2021.
      • October 2021
      • Article

      Directors' Perceptions of Board Effectiveness and Internal Operations

      By: J. Yo-Jud Cheng, Boris Groysberg, Paul M. Healy and Rajesh Vijayaraghavan
      We contribute to the growing literature on the effectiveness of corporate boards by examining the effect of two insights that have been largely unexplored in prior studies that use public data. First, since boards’ responsibilities are wide-ranging, more holistic...  View Details
      Keywords: Boards Of Directors; Corporate Governance; Governing and Advisory Boards; Performance Effectiveness; Perception
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      Cheng, J. Yo-Jud, Boris Groysberg, Paul M. Healy, and Rajesh Vijayaraghavan. "Directors' Perceptions of Board Effectiveness and Internal Operations." Management Science 67, no. 10 (October 2021): 6399–6420.
      • September 2021
      • Supplement

      The Boston Beer Company (B): Growth and Uncertainty

      By: Christina R. Wing and John Masko
      The first three years of CEO Dave Burwick’s tenure were tumultuous for the Boston Beer Company. The company’s hard seltzer products continued to grow unexpectedly quickly, eclipsing the company’s legacy Samuel Adams beer products. Meanwhile, a polarizing political...  View Details
      Keywords: Entrepreneurship; Leadership; Strategy; Growth Management; Food and Beverage Industry; Boston; United States
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      Wing, Christina R., and John Masko. "The Boston Beer Company (B): Growth and Uncertainty." Harvard Business School Supplement 622-051, September 2021.
      • August 2021
      • Technical Note

      Brand You: Crafting Your Personal Brand

      By: Jill Avery and Rachel Greenwald
      Selling oneself is something that we have to do every day in both professional and personal settings. We face it when we apply for a job, advocate for a promotion or a raise, vie for a leadership position, attempt to land a new client, write a dating profile, or meet a...  View Details
      Keywords: Personal Brand; Brand Management; Marketing; Brands and Branding; Identity; Opportunities; Talent and Talent Management; Jobs and Positions; Strength and Weakness; Communication
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      Avery, Jill, and Rachel Greenwald. "Brand You: Crafting Your Personal Brand." Harvard Business School Technical Note 522-031, August 2021.
      • 2021
      • Working Paper

      Multi-location Workers in Multinational Firms? Tradeoffs in Contextual Specialization of Employees and Organizational Outcomes

      By: Hise O. Gibson, Ryan W. Buell and Prithwiraj Choudhury
      We study how “contextual specialization,” the act of focusing workers’ organizational tasks within a particular locational context, and “contextual non-specialization,” the practice of diversifying workers’ organizational tasks among multiple locational contexts,...  View Details
      Keywords: Talent and Talent Management; Performance; Experience and Expertise; Selection and Staffing; Strength and Weakness; Personal Development and Career
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      Gibson, Hise O., Ryan W. Buell, and Prithwiraj Choudhury. "Multi-location Workers in Multinational Firms? Tradeoffs in Contextual Specialization of Employees and Organizational Outcomes." Harvard Business School Working Paper, No. 22-007, August 2021.
      • 2021
      • Working Paper

      Treatment and Selection Effects of Formal Workplace Mentorship Programs

      By: Jason Sandvik, Richard Saouma, Nathan Seegert and Christopher Stanton
      While formal mentorship programs are ubiquitous, less is known about who gains from receiving mentorship. In this paper, we report the outcome of a Randomized Controlled Trial (RCT) carried out in a US-based inbound sales call center where one branch of the experiment...  View Details
      Keywords: Mentoring; Mentorship Programs; Randomized Controlled Trial; Employees; Relationships; Programs; Performance
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      Sandvik, Jason, Richard Saouma, Nathan Seegert, and Christopher Stanton. "Treatment and Selection Effects of Formal Workplace Mentorship Programs." NBER Working Paper Series, No. 29148, August 2021.
      • July 2021
      • Article

      Multinationality and Capital Structure Dynamics: A Corporate Governance Explanation

      By: Daniel Gyimah, Nana Abena Kwansa, Anthony K. Kyiu and Anywhere Sikochi
      This paper examines the impact of corporate governance on capital structure dynamics. Using ordinary least squares regressions on 17,496 firm-year observations for 2,294 U.S. multinational companies (MNCs) over the period 1990–2018, we find that MNCs with strong...  View Details
      Keywords: Multinationality; Speed Of Adjustment; Corporate Governance; Multinational Firms and Management; Capital Structure
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      Gyimah, Daniel, Nana Abena Kwansa, Anthony K. Kyiu, and Anywhere Sikochi. "Multinationality and Capital Structure Dynamics: A Corporate Governance Explanation." Art. 101758. International Review of Financial Analysis 76 (July 2021).
      • Article

      Does Observability Amplify Sensitivity to Moral Frames? Evaluating a Reputation-Based Account of Moral Preferences

      By: Valerio Capraro, Jillian J. Jordan and Ben Tappin
      A growing body of work suggests that people are sensitive to moral framing in economic games involving prosociality, suggesting that people hold moral preferences for doing the “right thing”. What gives rise to these preferences? Here, we evaluate the explanatory power...  View Details
      Keywords: Moral Preferences; Moral Frames; Observability; Trustworthiness; Trust Game; Trade-off Game; Moral Sensibility; Reputation; Behavior; Trust
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      Capraro, Valerio, Jillian J. Jordan, and Ben Tappin. "Does Observability Amplify Sensitivity to Moral Frames? Evaluating a Reputation-Based Account of Moral Preferences." Journal of Experimental Social Psychology 94 (May 2021).
      • May–June 2021
      • Article

      Why Start-ups Fail

      By: Thomas R. Eisenmann
      If you’re launching a business, the odds are against you: Two-thirds of start-ups never show a positive return. Unnerved by that statistic, a professor of entrepreneurship at Harvard Business School set out to discover why. Based on interviews and surveys with hundreds...  View Details
      Keywords: Entrepreneurship; Business Startups; Problems and Challenges; Failure
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      Eisenmann, Thomas R. "Why Start-ups Fail." Harvard Business Review 99, no. 3 (May–June 2021): 76–85.
      • April 16, 2021
      • Article

      A Playbook for Negotiators in the Social Media Era

      By: James K. Sebenius, Ben Cook, David Lax, Ron S. Fortgang, Isaac Silberberg and Paul Levy
      The disruptive effects of social media have been felt in virtually every corner of the world. Yet the information revolution has been largely ignored in the field of negotiation. Through a series of case studies we explore how savvy practitioners can ethically harness...  View Details
      Keywords: Negotiation Analysis; Bargaining; Negotiation; Analysis; Negotiation Tactics; Social Media; North America
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      Sebenius, James K., Ben Cook, David Lax, Ron S. Fortgang, Isaac Silberberg, and Paul Levy. "A Playbook for Negotiators in the Social Media Era." Harvard Business Review Digital Articles (April 16, 2021).
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