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    • All HBS Web  (1,150)
      • Faculty Publications  (257)

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      • January–February 2025
      • Article

      The Double-Edged Sword of Exemplar Similarity

      By: Majid Majzoubi, Eric Zhao, Tiona Zuzul and Greg Fisher
      We investigate how a firm’s positioning relative to category exemplars shapes security analysts’ evaluations. Using a two-stage model of evaluation (initial screening and subsequent assessment), we propose that exemplar similarity enhances a firm’s recognizability and... View Details
      Keywords: Natural Language Processing; Analytics and Data Science; Performance Evaluation
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      Majzoubi, Majid, Eric Zhao, Tiona Zuzul, and Greg Fisher. "The Double-Edged Sword of Exemplar Similarity." Organization Science 36, no. 1 (January–February 2025): 121–144.
      • December 2024
      • Case

      Blue Cross Blue Shield of Michigan (BCBSM): The AI Journey

      By: Shikhar Ghosh
      In early 2024, Bill Fandrich, Executive VP and CIO of Blue Cross Blue Shield of Michigan (BCBSM), faced a critical decision about AI adoption within the organization. Fandrich had championed AI implementation at BCBSM. After successfully developing three AI... View Details
      Keywords: Blue Cross; Automation; Generative Ai; Health Insurance; Insurance Companies; Innovation; IT Strategy; Organizational Transformations; Technology; Non-profit; AI and Machine Learning; Health; Digital Strategy; Digital Transformation; Leadership; Technology Adoption; Job Cuts and Outsourcing; Innovation Strategy; Health Industry; Insurance Industry; Michigan
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      Ghosh, Shikhar. "Blue Cross Blue Shield of Michigan (BCBSM): The AI Journey." Harvard Business School Case 825-082, December 2024.
      • 2024
      • Working Paper

      Categorical Processing in a Complex World

      By: Marco Sammon, Thomas Graeber and Christopher Roth
      In real-world news environments, quantitative information is rarely presented in isolation; it is characterized through qualitative comparisons with various reference levels. Company earnings, for example, are commonly compared to analyst forecasts, previous earnings,... View Details
      Keywords: Announcements; Cognition and Thinking; Communication Strategy
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      Sammon, Marco, Thomas Graeber, and Christopher Roth. "Categorical Processing in a Complex World." Working Paper, November 2024.
      • 2024
      • Working Paper

      Empirical Guidance: Data Processing and Analysis with Applications in Stata, R, and Python

      By: Melissa Ouellet and Michael W. Toffel
      This paper describes a range of best practices to compile and analyze datasets, and includes some examples in Stata, R, and Python. It is meant to serve as a reference for those getting started in econometrics, and especially those seeking to conduct data analyses in... View Details
      Keywords: Empirical Methods; Empirical Operations; Statistical Methods And Machine Learning; Statistical Interferences; Research Analysts; Analytics and Data Science; Mathematical Methods
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      Ouellet, Melissa, and Michael W. Toffel. "Empirical Guidance: Data Processing and Analysis with Applications in Stata, R, and Python." Harvard Business School Working Paper, No. 25-010, August 2024.
      • September 2024
      • Case

      Nvidia, Inc. in 2024 and the Future of AI

      By: David B. Yoffie and Sarah von Bargen
      Nvidia was one of the most successful companies in the world, reaching $3.4 trillion in valuation on June 18th, 2024. While Microsoft and Apple quickly recaptured the value crown, some analysts forecasted that Nvidia was so strongly positioned that it might become the... View Details
      Keywords: Customer Value and Value Chain; Price; Technological Innovation; Competition; Vertical Integration; Valuation; Technology Industry
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      Yoffie, David B., and Sarah von Bargen. "Nvidia, Inc. in 2024 and the Future of AI." Harvard Business School Case 725-360, September 2024.
      • 2024
      • Working Paper

      Finance Without Exotic Risk

      By: Pedro Bordalo, Nicola Gennaioli, Rafael La Porta and Andrei Shleifer
      We address the joint hypothesis problem in cross-sectional asset pricing by using measured analyst expectations of earnings growth. We construct a firm-level measure of Expectations Based Returns (EBRs) that uses analyst forecast errors and revisions and shuts down any... View Details
      Keywords: Investment Return; Financial Markets; Behavioral Finance; Risk and Uncertainty
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      Bordalo, Pedro, Nicola Gennaioli, Rafael La Porta, and Andrei Shleifer. "Finance Without Exotic Risk." NBER Working Paper Series, No. 33004, September 2024.
      • August 2024
      • Case

      The Walt Disney Company: Management Guidance

      By: Joseph Pacelli and James Weber
      In November 2023, financial analyst Aurora Fee was forecasting The Walt Disney Company’s earnings and stock price, with the goal of providing an investment recommendation to her clients. Disney, one of the world’s largest media and entertainment companies, had just... View Details
      Keywords: Valuation; Accounting; Investment; Communication; Forecasting and Prediction; Business Earnings; Growth and Development Strategy; Financial Services Industry; Entertainment and Recreation Industry; United States
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      Pacelli, Joseph, and James Weber. "The Walt Disney Company: Management Guidance." Harvard Business School Case 125-027, August 2024.
      • June 2024
      • Case

      Arete Research on Unity Software

      By: Joseph Pacelli and Tonia Labruyere
      Richard Kramer had founded Arete Research, an independent financial research provider, in 2000 after a successful career as a sell-side analyst at Goldman Sachs. He reflects on his team's coverage of Unity Software, a U.S.-based mobile games software company, that... View Details
      Keywords: Analysis; Initial Public Offering; Analytics and Data Science; Applications and Software; Mobile and Wireless Technology; Valuation; Value Creation; Mergers and Acquisitions; Business Model; Reports; Financial Services Industry; Video Game Industry; United Kingdom; United States
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      Pacelli, Joseph, and Tonia Labruyere. "Arete Research on Unity Software." Harvard Business School Case 124-086, June 2024.
      • June 2024 (Revised February 2025)
      • Case

      Accounting for Loans at SoFi Technologies

      By: Joseph Pacelli and Michael Norris
      At the release of its first quarter earnings report on May 1, 2023, digital bank SoFi beat its earnings guidance by 25%. On May 2, Wedbush Securities analyst David Chiaverini issued a report downgrading the stock. A second downgrade followed from Chiaverini on May 15.... View Details
      Keywords: Accounting; Banks and Banking; Financing and Loans; Valuation; Stocks; Banking Industry; United States
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      Pacelli, Joseph, and Michael Norris. "Accounting for Loans at SoFi Technologies." Harvard Business School Case 124-057, June 2024. (Revised February 2025.)
      • 2023
      • Working Paper

      An Experimental Design for Anytime-Valid Causal Inference on Multi-Armed Bandits

      By: Biyonka Liang and Iavor I. Bojinov
      Typically, multi-armed bandit (MAB) experiments are analyzed at the end of the study and thus require the analyst to specify a fixed sample size in advance. However, in many online learning applications, it is advantageous to continuously produce inference on the... View Details
      Keywords: Analytics and Data Science; AI and Machine Learning; Mathematical Methods
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      Liang, Biyonka, and Iavor I. Bojinov. "An Experimental Design for Anytime-Valid Causal Inference on Multi-Armed Bandits." Harvard Business School Working Paper, No. 24-057, March 2024.
      • February 2024 (Revised February 2024)
      • Case

      CLSA: Integrating ESG in Stock Valuation

      By: Shirley Lu, Aaron Yoon and Billy Chan
      In 2023, a senior financial analyst at the Hong Kong-based stock brokerage firm CLSA was surprised to see that, based on his calculations, the financial impact from climate risks on a major Indian cement manufacturing company’s projected earnings could be massive.... View Details
      Keywords: Accounting; Corporate Governance; Analysis; Stocks; Valuation; Environmental Sustainability; Financial Services Industry; Industrial Products Industry; Hong Kong; China; India; Asia
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      Lu, Shirley, Aaron Yoon, and Billy Chan. "CLSA: Integrating ESG in Stock Valuation." Harvard Business School Case 124-069, February 2024. (Revised February 2024.)
      • January 2024
      • Case

      BWX Technologies

      By: Suraj Srinivasan, Yuan Zou and Aldo Sesia
      Rex Geveden and Robb LeMasters, CEO and CFO of BWX Technologies, Inc. (BWXT), were concerned that investors and analysts did not fully appreciate the company's transformation from a nuclear reactor provider to the US Navy and Canadian utilities to a multi-product line... View Details
      Keywords: Transformation; Communication Intention and Meaning; Business and Shareholder Relations; Valuation; Diversification; United States; Canada
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      Srinivasan, Suraj, Yuan Zou, and Aldo Sesia. "BWX Technologies." Harvard Business School Case 124-071, January 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
      • Article

      Brokerage House Initial Public Offerings and Analyst Forecast Quality

      By: Mark Bradshaw, Michael Drake, Joseph Pacelli and Brady Twedt
      We examine how brokerage firm initial public offerings (IPOs) influence the research quality of sell-side analysts employed by the brokerage. Our main results focus on earnings forecast bias and absolute forecast errors as proxies for research quality. Using a... View Details
      Keywords: IPOs; Research Analysts; "Brokerage Industry; Initial Public Offering; Employees; Behavior; Outcome or Result
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      Bradshaw, Mark, Michael Drake, Joseph Pacelli, and Brady Twedt. "Brokerage House Initial Public Offerings and Analyst Forecast Quality." Management Science 69, no. 11 (November 2023): 7079–7094.
      • July 2023 (Revised February 2024)
      • Case

      Equity Restructuring at Dell Technologies: Buy Out, Buy Up, Buy In (A)

      By: Stuart C. Gilson and Sarah L. Abbott
      In November 2018, Dell Technologies was poised to re-enter the public markets by means of a complex recapitalization that would replace an entire class of publicly-traded “tracking stock,” with new shares that would trade publicly without the need of a formal IPO. The... View Details
      Keywords: Technology; M&A; Recapitalization; MBO; Equity Issues; Private Equity Buyouts; Public Ownership; Stock Shares; Mergers and Acquisitions; Equity; Technology Industry; United States
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      Gilson, Stuart C., and Sarah L. Abbott. "Equity Restructuring at Dell Technologies: Buy Out, Buy Up, Buy In (A)." Harvard Business School Case 224-005, July 2023. (Revised February 2024.)
      • June 2023
      • Case

      Investing in the Climate Transition at Neuberger Berman

      By: George Serafeim and Benjamin Maletta
      By mid-2023, Neuberger Berman (NB), an active asset manager, had grown its assets under management to about half a trillion dollars and took pride in its client centricity and innovative spirit. Responding to client demand for investment products that integrated... View Details
      Keywords: Carbon Emissions; Sustainability; Decarbonization; Performance; Risk Assessment; Opportunities; Environmental Sustainability; Carbon Footprint; Business Analysis; Investing; Regulation; Asset Management; Investment Strategy; Climate Change; Transition; Analysis; Product Positioning; Strategy; Investment Portfolio; Financial Services Industry; Energy Industry
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      Serafeim, George, and Benjamin Maletta. "Investing in the Climate Transition at Neuberger Berman." Harvard Business School Case 123-092, June 2023.
      • June 2023
      • Case

      Accounting for Loan Losses at JPMorgan Chase: Predicting Credit Costs

      By: Jonas Heese, Jung Koo Kang and James Weber
      The case examines the accounting for loan losses at a large bank, how a bank sets its Allowance for Loan and Lease Losses (ALLL) on its financial statements. ALLL, and the rules that set them, determine when banks would and would not extend loans, which significantly... View Details
      Keywords: Accounting Standards; Accrual Accounting; Financial Statements; Financial Reporting; Banks and Banking; Financing and Loans; Banking Industry; United States
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      Heese, Jonas, Jung Koo Kang, and James Weber. "Accounting for Loan Losses at JPMorgan Chase: Predicting Credit Costs." Harvard Business School Case 123-042, June 2023.
      • 2023
      • Working Paper

      PRIMO: Private Regression in Multiple Outcomes

      By: Seth Neel
      We introduce a new differentially private regression setting we call Private Regression in Multiple Outcomes (PRIMO), inspired the common situation where a data analyst wants to perform a set of l regressions while preserving privacy, where the covariates... View Details
      Keywords: Analytics and Data Science; Mathematical Methods
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      Neel, Seth. "PRIMO: Private Regression in Multiple Outcomes." Working Paper, March 2023.
      • April 2023
      • Article

      The Stock Market Valuation of Human Capital Creation

      By: Ethan Rouen and Matthias Regier
      We develop a measure of firm-year-specific human capital investment from publicly disclosed personnel expenses (PE) and examine the stock market valuation of this investment. Measuring the future value of PE (PEFV) based on the relation between... View Details
      Keywords: Intangibles; Valuation; Human Capital; Investment Return
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      Rouen, Ethan, and Matthias Regier. "The Stock Market Valuation of Human Capital Creation." Art. 102384. Journal of Corporate Finance 79 (April 2023).
      • March 2023 (Revised March 2025)
      • Case

      Close Concerns: Diabetes Research and Advocacy

      By: Regina Herzlinger and Brian L. Walker
      Diagnosed with diabetes at the age of 18, Kelly Close understood the importance of balancing consistency and iteration. This principle had also informed her professional work, which started with a rapid promotion from financial analyst at Goldman Sachs to an analyst... View Details
      Keywords: Diabetes; Health; Health Care; Health Care And Treatment; Health Care Outcomes; Health Care Industry; Knowledge Dissemination; Outcome or Result; Equality and Inequality; Business Model; Entrepreneurship
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      Herzlinger, Regina, and Brian L. Walker. "Close Concerns: Diabetes Research and Advocacy." Harvard Business School Case 323-047, March 2023. (Revised March 2025.)
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