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    • All HBS Web  (1,189)
      • Faculty Publications  (84)

      Equity ResearchRemove Equity Research →

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      • 2025
      • Working Paper

      Generative AI Use by Capital Market Information Intermediaries: Evidence from Seeking Alpha

      By: Mark Bradshaw, Chenyang Ma, Benjamin Yost and Yuan Zou
      We study the use of generative AI for firm-specific financial analysis on the Seeking Alpha platform. We find that, after the initial launch of ChatGPT in November 2022, the share of AI-generated articles rose sharply to 13.4% of all articles, then declined in late... View Details
      Keywords: Generative Ai; Seeking Alpha; Equity Research; Large Language Models; Gpt; AI and Machine Learning; Information Publishing; Financial Markets
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      Bradshaw, Mark, Chenyang Ma, Benjamin Yost, and Yuan Zou. "Generative AI Use by Capital Market Information Intermediaries: Evidence from Seeking Alpha." Harvard Business School Working Paper, No. 25-055, April 2025.
      • 2024
      • Working Paper

      Does Private Equity Have Any Business Being in the Health Care Business?

      By: Nori Gerardo Lietz and Zirui Song
      Private Equity (“PE”) has come under increased scrutiny by the press, academics, and policymakers, as well as the public, for its investments in health care delivery. This scrutiny has been exacerbated by recent high profile hospital bankruptcies following PE... View Details
      Keywords: Private Equity; Government Administration; Acquisition; Health Industry
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      Lietz, Nori Gerardo, and Zirui Song. "Does Private Equity Have Any Business Being in the Health Care Business?" Harvard Business School Working Paper, No. 25-012, September 2024.
      • 2024
      • Working Paper

      The Narrative AI Advantage? A Field Experiment on Generative AI-Augmented Evaluations of Early-Stage Innovations

      By: Jacqueline N. Lane, Léonard Boussioux, Charles Ayoubi, Ying Hao Chen, Camila Lin, Rebecca Spens, Pooja Wagh and Pei-Hsin Wang
      The rise of generative artificial intelligence (AI) is transforming creative problem-solving, necessitating new approaches for evaluating innovative solutions. This study explores how human-AI collaboration can enhance early-stage evaluations, focusing on the interplay... View Details
      Keywords: Large Language Models; AI and Machine Learning; Innovation and Invention; Decision Making
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      Lane, Jacqueline N., Léonard Boussioux, Charles Ayoubi, Ying Hao Chen, Camila Lin, Rebecca Spens, Pooja Wagh, and Pei-Hsin Wang. "The Narrative AI Advantage? A Field Experiment on Generative AI-Augmented Evaluations of Early-Stage Innovations." Harvard Business School Working Paper, No. 25-001, August 2024. (Revised August 2024.)
      • May 2024
      • Case

      A New Aiera for Equity Research

      By: Joseph Pacelli, Charles CY Wang and James Barnett
      Aiera (pronounced “era”) co-founder and CEO Ken Sena considers strategic pathways to growth for the artificial intelligence (AI)-powered platform used to source, verify, and transcribe earnings calls, company presentations, and other corporate events. View Details
      Keywords: Financial Reporting; Financial Statements; Business Startups; Entrepreneurship; AI and Machine Learning; Growth and Development Strategy; Accounting Industry; Financial Services Industry; Technology Industry; United States
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      Pacelli, Joseph, Charles CY Wang, and James Barnett. "A New Aiera for Equity Research." Harvard Business School Case 124-008, May 2024.
      • January 2024 (Revised May 2024)
      • Case

      Generation Investment Management: Sustainable Investing in a Warming World

      By: Vikram S. Gandhi, Michael Norris and David Allen
      In September 2021, the sustainable investment firm Generation Investment Management (Generation) considered whether to add Schneider Electric to the focus list of companies in which it was prepared to invest. Dedicated to promoting a sustainable world through its... View Details
      Keywords: Sustainable Investing; Climate Change; Environmental Sustainability; Governance; Private Equity; Public Equity; Financial Markets; Investment Return; Investment Activism; Investment Funds; Investment Portfolio; Institutional Investing; Corporate Social Responsibility and Impact; Financial Services Industry; United Kingdom; England; London
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      Gandhi, Vikram S., Michael Norris, and David Allen. "Generation Investment Management: Sustainable Investing in a Warming World." Harvard Business School Case 324-043, January 2024. (Revised May 2024.)
      • December 2023
      • Article

      Brokerage Relationships and Analyst Forecasts: Evidence from the Protocol for Broker Recruiting

      By: Braiden Coleman, Michael Drake, Joseph Pacelli and Brady Twedt
      In this study, we offer novel evidence on how the nature of brokerage-client relationships can influence the quality of equity research. We exploit a unique setting provided by the Protocol for Broker Recruiting to examine whether relaxed broker non-compete agreement... View Details
      Keywords: Brokers; Analysts; Forecasts; Bias; Protocol; Investment; Research; Forecasting and Prediction
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      Coleman, Braiden, Michael Drake, Joseph Pacelli, and Brady Twedt. "Brokerage Relationships and Analyst Forecasts: Evidence from the Protocol for Broker Recruiting." Review of Accounting Studies 28, no. 4 (December 2023): 2075–2103.
      • November 2023 (Revised April 2024)
      • Case

      BiomX: Bringing Phage Back to the Stage

      By: Paul A. Gompers, Elie Ofek, Orna Dan and Emilie Billaud
      In the spring of 2023, and following the favorable results of a trial involving its phage cocktail for treating lung infections among cystic fibrosis (CF) patients, the leadership of BiomX had several critical issues to wrestle with. First, given its precarious... View Details
      Keywords: Working Capital; Financing and Loans; Health Testing and Trials; Product Development; Research and Development; Science-Based Business; Commercialization; Biotechnology Industry; Pharmaceutical Industry
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      Gompers, Paul A., Elie Ofek, Orna Dan, and Emilie Billaud. "BiomX: Bringing Phage Back to the Stage." Harvard Business School Case 524-051, November 2023. (Revised April 2024.)
      • 18 Jul 2023
      • Interview

      Jeffrey Rayport on Product Market Fit, Profit Market Fit and Whiplash, and More

      By: Jeffrey F. Rayport and Doug Levin
      This episode of "Lessons from Startup Life" podcast features Jeffrey Rayport, Senior Lecturer of Business Administration at the Harvard Business School. Jeffrey specializes in teaching and researching growth-stage technology ventures and their scalability. Prior to... View Details
      Keywords: Scaling And Growth; Start-up; Diversity; Equity; Inclusion; Technology; Business Startups; Product Marketing; Business Growth and Maturation
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      "Jeffrey Rayport on Product Market Fit, Profit Market Fit and Whiplash, and More." Lessons from a Startup Life (podcast), July 18, 2023.
      • May–June 2023
      • Article

      A New Approach to Building Your Personal Brand: How to Communicate Your Value

      By: Jill Avery and Rachel Greenwald
      For better or worse, in today’s world everyone is a brand. Whether you’re applying for a job, asking for a promotion, or writing a dating profile, your success will depend on getting others to recognize your value. So you need to get comfortable marketing... View Details
      Keywords: Personal Brand; Influencer Marketing; Leadership Development; Marketing; Brands and Branding; Identity; Reputation; Competency and Skills
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      Avery, Jill, and Rachel Greenwald. "A New Approach to Building Your Personal Brand: How to Communicate Your Value." Harvard Business Review 101, no. 3 (May–June 2023): 147–151.
      • 2023
      • Working Paper

      The Market for CEOs: Evidence from Private Equity

      By: Paul A. Gompers, Steven N. Kaplan and Vladimir Mukharlyamov
      Most research on the CEO labor market studies public company CEOs while largely ignoring CEOs in private equity (PE) funded companies. We fill this gap by studying the market for CEOs among U.S. companies purchased by PE firms in large leveraged buyout transactions.... View Details
      Keywords: CEOs; Jobs and Positions; Ownership; Recruitment
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      Gompers, Paul A., Steven N. Kaplan, and Vladimir Mukharlyamov. "The Market for CEOs: Evidence from Private Equity." NBER Working Paper Series, No. 30899, April 2022. (Revised January 2023.)
      • 2022
      • Book

      Private Equity

      By: Paul A. Gompers and Steven N. Kaplan
      This Advanced Introduction provides an illustrative guide to private equity, integrating insights from academic research with examples to derive practical recommendations. Paul Gompers and Steven Kaplan begin by reviewing the history of private equity then exploring... View Details
      Keywords: Private Equity; Investment Funds; Value Creation
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      Gompers, Paul A., and Steven N. Kaplan. Private Equity. Elgar Advanced Introductions. London: Edward Elgar Publishing, 2022.
      • Article

      The Value of Intermediation in the Stock Market

      By: Marco Di Maggio, Mark Egan and Francesco Franzoni
      We estimate a structural model of broker choice to quantitatively decompose the value that institutional investors attach to broker services. Studying over 300 million institutional equity trades, we find that investors are sensitive to both explicit and implicit... View Details
      Keywords: Financial Intermediation; Institutional Investors; Research Analysts; Broker Networks; Equity Trading; Institutional Investing
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      Di Maggio, Marco, Mark Egan, and Francesco Franzoni. "The Value of Intermediation in the Stock Market." Journal of Financial Economics 145, no. 2A (August 2022): 208–233.
      • March 2022 (Revised April 2023)
      • Case

      Pittsburgh: A Successful City?

      By: Karen Mills, Caroline Elkins, Vikram Gandhi, Gabriella Elanbeck and Zeke Gillman
      Pittsburgh, PA, was once the crown jewel of American heavy industry. During the 19th and 20th centuries, the city was an undisputed leader in steel production, boasting some of the largest companies and wealthiest individuals in the world. Its abundance of... View Details
      Keywords: Economic And Social Disparities; Economic Development; Local Economic Development; Contextual Intelligence; Contextual Knowledge; Context; City Growth; City Innovation; City Leadership; Pittsburgh; Local Government; Local Stakeholders; Business And Community; Business And Community Relations; Community Engagement; Community Relations; Cross-sector Collaboration; Innovation; Innovation Economy; Innovation Clusters; Innovation Ecosystems; Shared Prosperity; Equality Of Opportunity; Equity; Inclusion; Business And Government; Business & Government Relations; Business And Government Relations; Business And Society; Neighborhoods; Race And Ethnicity; Innovation & Entrepreneurship; Diversity; Ethnicity; Race; Household; Income; Economic Growth; Economic Sectors; Economics; Local Range; Urban Development; Urban Scope; City; Cross-Cultural and Cross-Border Issues; Government and Politics; Government Administration; Growth and Development; History; Leadership; Goals and Objectives; Philanthropy and Charitable Giving; Society; Civil Society or Community; Culture; Human Needs; Public Opinion; Public Sector; Social Issues; Poverty; Equality and Inequality; Manufacturing Industry; Steel Industry; Education Industry; Medical Devices and Supplies Industry; Technology Industry; United States; Pittsburgh; Pennsylvania
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      Mills, Karen, Caroline Elkins, Vikram Gandhi, Gabriella Elanbeck, and Zeke Gillman. "Pittsburgh: A Successful City?" Harvard Business School Case 322-080, March 2022. (Revised April 2023.)
      • January 2022
      • Background Note

      Residual Income Valuation Model

      By: Charles C.Y. Wang and Albert Shin
      This note explains the residual income valuation model (RIM), how it relates to "traditional" valuation models, the intuition behind its use, and empirical research related to its value relevance. RIM is theoretically equivalent to the dividend discount model and the... View Details
      Keywords: Residual Income Valuation; Valuation; Research; Theory; Measurement and Metrics; Performance; Financial Management; Business Strategy
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      Wang, Charles C.Y., and Albert Shin. "Residual Income Valuation Model." Harvard Business School Background Note 122-070, January 2022.
      • Fall 2021
      • Article

      When to Go and How to Go? Founder and Leader Transitions in Private Equity Firms

      By: Josh Lerner and Diana Noble
      Leadership transition in private equity firms is an understudied field, despite the important, albeit controversial, role such firms play in developed economies. We analyzed 260 firms in an empirical study, supplemented by qualitative interviews with a small sample of... View Details
      Keywords: Leadership Transition; Private Equity; Leadership; Management Succession; Analysis
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      Lerner, Josh, and Diana Noble. "When to Go and How to Go? Founder and Leader Transitions in Private Equity Firms." Journal of Alternative Investments 24, no. 2 (Fall 2021): 9–30.
      • June 2021
      • Case

      Modern Endowment Management: Paula Volent and the Bowdoin Endowment

      By: Luis M. Viceira, Emily R. McComb and Dean Xu
      This case examines modern endowment investment management through the lens of a leadership transition between Chief Investment Officers (CIOs). In March 2021, Paula Volent is about to step down as the CIO of the endowment of Bowdoin College after twenty-one years, and... View Details
      Keywords: Investment Portfolio; Investment Banking; Growth Management; Investment Return; Capital Markets; Interest Rates; Competition; Cost Management; Risk Management; Financial Liquidity; Performance Evaluation
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      Viceira, Luis M., Emily R. McComb, and Dean Xu. "Modern Endowment Management: Paula Volent and the Bowdoin Endowment." Harvard Business School Case 221-101, June 2021.
      • 2021
      • Working Paper

      Studying the U.S.-Based Portfolio Companies of U.S. Impact Investors

      By: M. Diane Burton, Gurveen Chadha, Shawn A. Cole, Abhishek Dev, Christina Jarymowycz, Leslie Jeng, Laura Kelley, Josh Lerner, Jaime R. Diaz Palacios, Yue (Cynthia) Xu and T. Robert Zochowski
      Recent years have seen a dramatic increase in the reliance on market-based solutions to social and environmental problems around the world (Barman 2016; Horvath and Powell 2020). The growth of impact investing is a vivid example of this trend and, although there have... View Details
      Keywords: Impact Investing; Impact Portfolio Companies; Investment; Social Issues; Environmental Sustainability; Investment Portfolio; Business Ventures; Analytics and Data Science; Performance; United States
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      Burton, M. Diane, Gurveen Chadha, Shawn A. Cole, Abhishek Dev, Christina Jarymowycz, Leslie Jeng, Laura Kelley, Josh Lerner, Jaime R. Diaz Palacios, Yue (Cynthia) Xu, and T. Robert Zochowski. "Studying the U.S.-Based Portfolio Companies of U.S. Impact Investors." Harvard Business School Working Paper, No. 21-130, June 2021.
      • May 2021
      • Case

      Inclusive Innovation at Mass General Brigham

      By: Katherine Baldiga Coffman and Olivia Hull
      Massachusetts General Brigham (MGB) Chief Innovation Officer Christopher Coburn had overseen a period of exciting transformation and growth in healthcare innovation at MGB. In November 2019, the health system was the largest recipient of National Institutes of Health... View Details
      Keywords: Inclusion; Innovation; Invention; Gender; Business Startups; Investment Funds; Private Equity; Health Care and Treatment; Innovation Strategy; Technological Innovation; Intellectual Property; Copyright; Patents; Research; Research and Development; Diversification; Technology; Health Industry; Massachusetts; Boston
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      Coffman, Katherine Baldiga, and Olivia Hull. "Inclusive Innovation at Mass General Brigham." Harvard Business School Case 921-006, May 2021.
      • April 2021
      • Case

      Glass-Shattering Leaders: Jack Rivkin

      By: Boris Groysberg and Colleen Ammerman
      Jack Rivkin’s innovative approach to hiring, developing, and retaining employees created opportunities for female analysts to thrive at the equity research department he led, and also made the entire department more effective. Rivkin fostered a culture of gender... View Details
      Keywords: Gender Inclusivity; Leadership; Organizational Culture; Gender; Talent and Talent Management
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      Groysberg, Boris, and Colleen Ammerman. "Glass-Shattering Leaders: Jack Rivkin." Harvard Business School Case 421-074, April 2021.
      • 2022
      • Article

      Gender Inequality in Research Productivity During the COVID-19 Pandemic

      By: Ruomeng Cui, Hao Ding and Feng Zhu
      We study the disproportionate impact of the lockdown as a result of the COVID-19 outbreak on female and male academics' research productivity in social science. The lockdown has caused substantial disruptions to academic activities, requiring people to work from home.... View Details
      Keywords: Gender Inequality; Research Productivity; Telecommuting; COVID-19 Pandemic; Research; Performance Productivity; Gender; Equality and Inequality; Health Pandemics
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      Cui, Ruomeng, Hao Ding, and Feng Zhu. "Gender Inequality in Research Productivity During the COVID-19 Pandemic." Manufacturing & Service Operations Management 24, no. 2 (March–April 2022): 707–726.
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