• December 2023
• Case

Food & Life Companies

By: Forest L. Reinhardt and Akiko Saito

Founded in 1984 in Japan, Food & Life Companies Ltd. (F&LC) operated Sushiro, the largest conveyor belt sushi restaurant chain in Japan, and other types of restaurants that offered sushi and fish cuisine. F&LC was committed to offering high-quality sushi at an... View Details

Keywords: Growth and Development Strategy; Market Entry and Exit; Expansion; Food and Beverage Industry; Japan; Asia; United States

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Reinhardt, Forest L., and Akiko Saito. "Food & Life Companies." Harvard Business School Case 724-015, December 2023.

• 2023
• Working Paper

The Optimal Stock Valuation Ratio

By: Sebastian Hillenbrand and Odhrain McCarthy

Trailing price ratios, such as the price-dividend and the price-earnings ratio, scale prices by trailing cash flow measures. They theoretically contain expected returns, yet, their performance in predicting stock market returns is poor. This is because of an omitted... View Details

Keywords: Price; Investment Return; AI and Machine Learning; Valuation; Cash Flow; Forecasting and Prediction

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Hillenbrand, Sebastian, and Odhrain McCarthy. "The Optimal Stock Valuation Ratio." Working Paper, November 2023.

• October 2023
• Teaching Note

Metaverse Wars

By: Andy Wu and Matt Higgins

Teaching Note for HBS Case No. 723-431. Metaverse Wars recaps the development of the metaverse concept and the attendant hype, bringing the narrative up to the summer of 2023 when Meta’s big pivot looked more like a costly misstep than a stroke of strategic genius. In... View Details

Keywords: Metaverse; Strategy; Social Media; Internet and the Web; Technology Adoption; Technological Innovation; Technology Industry

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Wu, Andy, and Matt Higgins. "Metaverse Wars." Harvard Business School Teaching Note 724-400, October 2023.

• October 2023 (Revised July 2024)
• Case

Nelson Mandela: Changing the World

By: Robert Simons and Shirley Sun

This case traces the rise of Nelson Mandela from his tribal home in South Africa to president of the country. Rejecting expectations that he would be a tribal leader, Mandela instead dedicates his life to fighting Apartheid. After peaceful approaches fail, he joins... View Details

Keywords: Mission and Purpose; Values and Beliefs; Power and Influence; Personal Characteristics; Leadership Style; Success; South Africa

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Simons, Robert, and Shirley Sun. "Nelson Mandela: Changing the World." Harvard Business School Case 124-034, October 2023. (Revised July 2024.)

• October 3, 2023
• Article

10 Pitfalls That Destroy Organizational Trust

By: Frances X. Frei and Anne Morriss

In their new book, Move Fast and Fix Things, Frances Frei and Anne Morriss outline five strategies to help leaders tackle their hardest problems and quickly make change. Their second strategy is to build — or rebuild — trust with your stakeholders. This means... View Details

Keywords: Trust; Business and Stakeholder Relations; Organizational Change and Adaptation; Business or Company Management

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Frei, Frances X., and Anne Morriss. "10 Pitfalls That Destroy Organizational Trust." Harvard Business Review (website) (October 3, 2023).

• October 2023 (Revised April 2024)
• Case

FARM Rio: Bringing a Brazilian Fashion Brand to the World

By: Isamar Troncoso and Jill Avery

FARM Rio, a twenty-six year old Brazilian fashion brand, had recently put down roots in the U.S. The brand, known for its bold, colorful, nature-inspired tropical prints, was testing the waters in Europe to assess if and how the brand should further expand globally.... View Details

Keywords: Global Marketing; Go-to-market Strategy; Global Branding; Brand Positioning; Marketing; Brands and Branding; Marketing Strategy; Growth and Development Strategy; Product Positioning; Market Entry and Exit; Distribution Channels; Expansion; Fashion Industry; Brazil; United States; Europe

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Troncoso, Isamar, and Jill Avery. "FARM Rio: Bringing a Brazilian Fashion Brand to the World." Harvard Business School Case 524-003, October 2023. (Revised April 2024.)

• October 2023 (Revised May 2024)
• Case

JSW Steel: Balancing Growth While Decarbonizing

By: Vikram S Gandhi and Radhika Kak

Sajjan Jindal, Chairman & Managing Director of JSW Steel, India's largest steel producer by market capitalization, was facing a dilemma. Steel demand in India was expected to grow exponentially over the next decade. However, given its traditional reliance on carbon,... View Details

Keywords: Decisions; Environmental Sustainability; Investment; Governing Rules, Regulations, and Reforms; Growth and Development; Corporate Social Responsibility and Impact; Pollutants; Pollution; Production; Steel Industry; India

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Gandhi, Vikram S., and Radhika Kak. "JSW Steel: Balancing Growth While Decarbonizing." Harvard Business School Case 824-002, October 2023. (Revised May 2024.)

• October 2023
• Article

Improving Regulatory Effectiveness Through Better Targeting: Evidence from OSHA

By: Matthew S. Johnson, David I. Levine and Michael W. Toffel

We study how a regulator can best target inspections. Our case study is a U.S. Occupational Safety and Health Administration (OSHA) program that randomly allocated some inspections. On average, each inspection averted 2.4 serious injuries (9%) over the next five years.... View Details

Keywords: Safety Regulations; Regulations; Regulatory Enforcement; Machine Learning Models; Safety; Operations; Service Operations; Production; Forecasting and Prediction; Decisions; United States

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Johnson, Matthew S., David I. Levine, and Michael W. Toffel. "Improving Regulatory Effectiveness Through Better Targeting: Evidence from OSHA." American Economic Journal: Applied Economics 15, no. 4 (October 2023): 30–67. (Profiled in the Regulatory Review.)

• 2023
• Working Paper

Interest-Rate Risk and Household Portfolios

By: Sylvain Catherine, Max Miller, James Paron and Natasha Sarin

How are households exposed to interest-rate risk? When rates fall, households face lower future expected returns but those holding long-term assets—disproportionately the wealthy and middle-aged—experience capital gains. We study the hedging demand for long-term assets... View Details

Keywords: Portfolio Choice; Social Security; Interest Rates; Investment Portfolio; Equality and Inequality; Welfare

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Catherine, Sylvain, Max Miller, James Paron, and Natasha Sarin. "Interest-Rate Risk and Household Portfolios." Working Paper, October 2023. (Reject and Resubmit, American Economic Review.)

• September 13, 2023
• Article

How the Best Chief Data Officers Create Value

By: Suraj Srinivasan and Robin Seibert

Despite the rapidly increasing prominence of data and analytics functions, the majority of chief data officers (CDOs) fail to value and price the business outcomes created by their data and analytics capabilities. It comes as no surprise then that many CDOs fall behind... View Details

Keywords: Value Creation; Analytics and Data Science; Measurement and Metrics; Leadership

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Srinivasan, Suraj, and Robin Seibert. "How the Best Chief Data Officers Create Value." Harvard Business Review (website) (September 13, 2023).

• September 2023
• Article

Stock Price Reactions to ESG News: The Role of ESG Ratings and Disagreement

By: George Serafeim and Aaron Yoon

We investigate whether ESG ratings predict future ESG news and the associated market reactions. We find that the consensus rating predicts future news, but its predictive ability diminishes for firms with large disagreement between raters. Relation between news and... View Details

Keywords: ESG; ESG (Environmental, Social, Governance) Performance; ESG Disclosure; ESG Ratings; ESG Reporting; ESG Disclosure Metrics; Sustainability; Investments; Disagreement; Rating Disagreement; Ratings; Environmental Sustainability; Social Issues; Corporate Social Responsibility and Impact; Performance; News; Investment; Financial Markets; Stocks; Price

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Serafeim, George, and Aaron Yoon. "Stock Price Reactions to ESG News: The Role of ESG Ratings and Disagreement." Special Issue on RAST 2022 Conference. Review of Accounting Studies 28, no. 3 (September 2023): 1500–1530.

• September 2023
• Article

The Changing Role of Managers

By: Letian Zhang

This study argues that the increase in middle management in recent decades was accompanied by a major shift in managerial roles. Increased task complexity and a new management philosophy have reduced the need for direct supervision but generated a much greater... View Details

Keywords: Managerial Roles; Leadership; Groups and Teams; Change; Organizational Structure

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Zhang, Letian. "The Changing Role of Managers." American Journal of Sociology 129, no. 2 (September 2023): 439–484.

• September–October 2023
• Article

What Does 'Stakeholder Capitalism' Mean to You?: A Guide to the Four Main Types

By: Lynn S. Paine

Business leaders are being urged to adopt a multistakeholder approach to governance in place of the shareholder-centered approach that has guided their work for several decades. But through hundreds of interviews with directors, executives, investors, governance... View Details

Keywords: Stakeholder Capitalism; Corporate Governance; Business and Shareholder Relations; Business and Stakeholder Relations; Organizational Structure; Trust

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Paine, Lynn S. "What Does 'Stakeholder Capitalism' Mean to You? A Guide to the Four Main Types." Harvard Business Review 101, no. 5 (September–October 2023): 108–119. (Reprinted in HBR’s 10 Must Reads 2025: The Definitive Management Ideas of the Year from Harvard Business Review 2025, Boston, Mass: Harvard Business Review Press, 2025, pp. 115-132.))

• 2024
• Working Paper

Migration, Climate Similarity, and the Consequences of Climate Mismatch

By: Marguerite Obolensky, Marco Tabellini and Charles Taylor

This paper examines the concept of “climate matching” in migration—the idea that migrants seek out destinations with familiar climates. Focusing on the US, we document that temperature distance between origin and destination predicts the distribution of migrants across... View Details

Keywords: Migration; Climate; Immigration; Residency; Weather; Ethnicity; Climate Change; Geographic Location; Policy; United States

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Obolensky, Marguerite, Marco Tabellini, and Charles Taylor. "Migration, Climate Similarity, and the Consequences of Climate Mismatch." Harvard Business School Working Paper, No. 24-031, November 2023. (Revised November 2024. Also available from VoxEU, e-axes, and HBS Working Knowledge.)