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Publications

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    • All HBS Web  (3,579)
      • Faculty Publications  (713)

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      • 2023
      • Working Paper

      Design-Based Confidence Sequences: A General Approach to Risk Mitigation in Online Experimentation

      By: Dae Woong Ham, Michael Lindon, Martin Tingley and Iavor Bojinov
      Randomized experiments have become the standard method for companies to evaluate the performance of new products or services. In addition to augmenting managers’ decision-making, experimentation mitigates risk by limiting the proportion of customers exposed to... View Details
      Keywords: Performance Evaluation; Research and Development; Analytics and Data Science; Consumer Behavior
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      Ham, Dae Woong, Michael Lindon, Martin Tingley, and Iavor Bojinov. "Design-Based Confidence Sequences: A General Approach to Risk Mitigation in Online Experimentation." Harvard Business School Working Paper, No. 23-070, May 2023.
      • June 2023
      • Article

      Regulatory Limits to Risk Management

      By: Ishita Sen
      Variable annuities, the largest liability of U.S. life insurers, are investment products containing long-dated minimum return guarantees. I show that guarantees with similar economic risks are treated differently by regulation and these differences impact insurers’... View Details
      Keywords: Interest Rate Risk; Variable Annuities; Capital Regulation; Reinsurance; Derivatives; Risk Management; Interest Rates; Governing Rules, Regulations, and Reforms
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      Sen, Ishita. "Regulatory Limits to Risk Management." Review of Financial Studies 36, no. 6 (June 2023): 2175–2223. (Lead Article and Editor's Choice, Winner of the RFS Rising Scholar Award 2024.)
      • June 2023
      • Article

      The Salary Taboo: Privacy Norms and the Diffusion of Information

      By: Zoë Cullen and Ricardo Perez-Truglia
      The limited diffusion of salary information has implications for labor markets, such as wage discrimination policies and collective bargaining. Access to salary information is believed to be limited and unequal, but there is little direct evidence on the sources of... View Details
      Keywords: Search Costs; Privacy; Norms; Compensation; Financial Industry; Field Experiment; Knowledge Dissemination; Equality and Inequality; Gender; Compensation and Benefits; Societal Protocols
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      Cullen, Zoë, and Ricardo Perez-Truglia. "The Salary Taboo: Privacy Norms and the Diffusion of Information." Art. 104890. Journal of Public Economics 222 (June 2023).
      • May 2023
      • Case

      CMA CGM: Reducing the Carbon Footprint of Container Shipping

      By: Willy C. Shih and Emilie Billaud
      Marine transport is the most cost-effective way to move large volumes over long distances, and container shipping is the backbone of international trade in goods. Yet shipping contributed 3% of worldwide greenhouse gas emissions, and the deep-sea segment, which... View Details
      Keywords: Container Shipping; Logistic Regression; Trade Links; Decarbonization; Environmental Strategies; Environmental Impact; Globalization; Trade; Environmental Regulation; Logistics; Supply Chain; Governance Compliance; Shipping Industry; European Union; Asia; North America
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      Shih, Willy C., and Emilie Billaud. "CMA CGM: Reducing the Carbon Footprint of Container Shipping." Harvard Business School Case 623-006, May 2023.
      • May 2023
      • Supplement

      Sian Flowers: Fresher by Sea - Video Supplement

      By: Willy C. Shih
      The setting for this case is the Sian Flowers, a company headquartered in Kitengela, Kenya that exports roses to predominantly Europe. Because cut flowers have a limited shelf life and consumers want them to retain their appearance for as long as possible, Sian or its... View Details
      Keywords: Supply Chain; Supply Chains; Sustainability; Sustainable Agriculture; Sustainability Reporting; Carbon Emissions; Supply Chain Management; Quality; Ship Transportation; Cost Management; Agriculture and Agribusiness Industry; Africa; Kenya; Netherlands; Europe
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      Shih, Willy C. "Sian Flowers: Fresher by Sea - Video Supplement." Harvard Business School Multimedia/Video Supplement 623-713, May 2023.
      • May 2023 (Revised May 2023)
      • Case

      Stay or Go? Sarah Reynolds Kensington Partners

      By: David G. Fubini, Amr Seifeldin and Patrick Sanguineti
      Sarah Reynolds, a relatively new Partner at the global Kensington Partners strategy consulting firm, has headed the firm's Telecommunications Group for a few years. Thanks to her stellar track record with clients, she has brought the group a range of accolades and... View Details
      Keywords: Consulting; Consulting Firms; Client Service; Career Management
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      Fubini, David G., Amr Seifeldin, and Patrick Sanguineti. "Stay or Go? Sarah Reynolds Kensington Partners." Harvard Business School Case 423-091, May 2023. (Revised May 2023.)
      • 2023
      • Working Paper

      Setting Gendered Expectations? Recruiter Outreach Bias in Online Tech Training Programs

      By: Jacqueline N. Lane, Karim R. Lakhani and Roberto Fernandez
      Competence development in digital technologies, analytics, and artificial intelligence is increasingly important to all types of organizations and their workforce. Universities and corporations are investing heavily in developing training programs, at all tenure... View Details
      Keywords: STEM; Selection and Staffing; Gender; Prejudice and Bias; Training; Equality and Inequality; Competency and Skills
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      Lane, Jacqueline N., Karim R. Lakhani, and Roberto Fernandez. "Setting Gendered Expectations? Recruiter Outreach Bias in Online Tech Training Programs." Harvard Business School Working Paper, No. 23-066, April 2023. (Accepted by Organization Science.)
      • 2023
      • Working Paper

      The Limits of Algorithmic Measures of Race in Studies of Outcome Disparities

      By: David S. Scharfstein and Sergey Chernenko
      We show that the use of algorithms to predict race has significant limitations in measuring and understanding the sources of racial disparities in finance, economics, and other contexts. First, we derive theoretically the direction and magnitude of measurement bias in... View Details
      Keywords: Racial Disparity; Paycheck Protection Program; Measurement Error; AI and Machine Learning; Race; Measurement and Metrics; Equality and Inequality; Prejudice and Bias; Forecasting and Prediction; Outcome or Result
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      Scharfstein, David S., and Sergey Chernenko. "The Limits of Algorithmic Measures of Race in Studies of Outcome Disparities." Working Paper, April 2023.
      • March 31, 2023
      • Article

      What Is the Optimal Pattern of a Customer Journey?

      By: Julian De Freitas
      Even though customer experience (CX) leaders are becoming increasingly focused on optimizing their firms’ customer journeys, they face a clear challenge: Which touchpoints along the journey should they invest in? That is, which moments when the customer interacts with... View Details
      Keywords: Consumer Behavior; Customers; Brands and Branding
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      De Freitas, Julian. "What Is the Optimal Pattern of a Customer Journey?" Harvard Business Review (website) (March 31, 2023).
      • March 2023 (Revised November 2023)
      • Module Note

      The Social Purpose of the Firm

      By: Debora L. Spar and Julia M. Comeau
      The Social Purpose of the Firm (SPF) is a short module designed to explore how, and under what circumstances, business leaders can harness the power of capitalism and markets to “make a difference in the world” – that is, to address a significant societal problem as a... View Details
      Keywords: Social Accounting; Purpose; Corporate Social Responsibility and Impact; Social Enterprise; Mission and Purpose; United States; Sweden; Kenya; Netherlands
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      Spar, Debora L., and Julia M. Comeau. "The Social Purpose of the Firm." Harvard Business School Module Note 323-051, March 2023. (Revised November 2023.)
      • March 2023
      • Teaching Note

      Ransomware Attack at Colonial Pipeline Company

      By: Suraj Srinivasan and Li-Kuan Ni
      Teaching Note for HBS Case No. 123-069. On the morning of May 7, 2021, Colonial Pipeline Company became aware that the company had been the victim of a malicious ransomware attack that had stolen and locked up company data. The extortionists demanded 75 bitcoins (worth... View Details
      Keywords: Disruption; Communication; Communication Strategy; Decision Making; Decision Choices and Conditions; Judgments; Corporate Accountability; Corporate Disclosure; Corporate Governance; Governance Controls; Policy; Employees; News; Cybersecurity; Digital Strategy; Information Infrastructure; Information Management; Internet and the Web; Crisis Management; Business or Company Management; Resource Allocation; Risk Management; Negotiation Tactics; Failure; Business and Stakeholder Relations; Attitudes; Behavior; Perception; Reputation; Trust; Public Opinion; Social Issues; Infrastructure; Distribution Industry; United States; Alabama
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      Srinivasan, Suraj, and Li-Kuan Ni. "Ransomware Attack at Colonial Pipeline Company." Harvard Business School Teaching Note 123-070, March 2023.
      • March 2023
      • Case

      Ransomware Attack at Colonial Pipeline Company

      By: Suraj Srinivasan and Li-Kuan Ni
      On the morning of May 7, 2021, Colonial Pipeline Company became aware that the company had been the victim of a malicious ransomware attack that had stolen and locked up company data. The extortionists demanded 75 bitcoins (worth about $4.4 million at the time) in... View Details
      Keywords: Disruption; Communication; Communication Strategy; Decision Making; Decision Choices and Conditions; Judgments; Corporate Accountability; Corporate Disclosure; Corporate Governance; Governance Controls; Policy; Employees; News; Cybersecurity; Digital Strategy; Information Infrastructure; Information Management; Internet and the Web; Crisis Management; Business or Company Management; Resource Allocation; Risk Management; Negotiation Tactics; Failure; Business and Stakeholder Relations; Attitudes; Behavior; Perception; Reputation; Trust; Public Opinion; Social Issues; Infrastructure; Distribution Industry; United States; Alabama
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      Srinivasan, Suraj, and Li-Kuan Ni. "Ransomware Attack at Colonial Pipeline Company." Harvard Business School Case 123-069, March 2023.
      • 2023
      • Article

      Bridging the Gap with the ‘New’ Economic History of Africa

      By: Ewout Frankema and Marlous van Waijenburg
      This review article seeks to build bridges between mainstream African history and the more historically oriented branch of the ‘new’ economic history of Africa. We survey four central topics of the new economic history of Africa—growth, trade, labor, and inequality—and... View Details
      Keywords: Economic Growth; Trade; Labor; Equality and Inequality; Development Economics; History; Africa
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      Frankema, Ewout, and Marlous van Waijenburg. "Bridging the Gap with the ‘New’ Economic History of Africa." Journal of African History 64, no. 1 (2023): 38–61.
      • February 2023 (Revised March 2025)
      • Case

      Doing Business in Accra, Ghana

      By: Hakeem Belo-Osagie, Leonard Schlesinger and Namrata Arora
      This case examines the challenges and opportunities of doing business in Ghana. It highlights Ghana economic transformation in the decades leading up to 2024 in the context of its history, culture, and politics. The case gives an overview of some of the main obstacles... View Details
      Keywords: Business History; Business and Government Relations; Technological Innovation; Foreign Direct Investment; Economic Growth; Financial Crisis; Agribusiness; Food and Beverage Industry; Agriculture and Agribusiness Industry; Ghana
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      Belo-Osagie, Hakeem, Leonard Schlesinger, and Namrata Arora. "Doing Business in Accra, Ghana." Harvard Business School Case 323-090, February 2023. (Revised March 2025.)
      • February 2023
      • Case

      Roblox: Virtual Commerce in the Metaverse

      By: Ayelet Israeli and Nicole Tempest Keller
      In 2022, Roblox had 58.8 million daily active users, including over half of all children and teens under the age of 16 in the United States. Roblox, a free-to-use “co-experience platform”, allowed users to come together in immersive 3D experiences to socialize, work,... View Details
      Keywords: Entertainment; Games, Gaming, and Gambling; Market Design; Marketing; Brands and Branding; Marketing Channels; Marketing Strategy; Business Strategy; Economics; Economy; Economic Systems; Advertising; Advertising Campaigns; Digital Platforms; Markets; Price; Innovation and Management; Entertainment and Recreation Industry; Video Game Industry; Technology Industry; United States; California; North America; South America; Asia; Europe
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      Israeli, Ayelet, and Nicole Tempest Keller. "Roblox: Virtual Commerce in the Metaverse." Harvard Business School Case 523-028, February 2023.
      • February 2023
      • Article

      Increasing the Demand for Workers with a Criminal Record

      By: Zoë Cullen, Will Dobbie and Mitchell Hoffman
      State and local policies increasingly restrict employers’ access to criminal records, but without addressing the underlying reasons that employers may conduct criminal background checks. Employers may thus still want to ask about a job applicant’s criminal record... View Details
      Keywords: Criminal Record; Hiring; Background Checks; Recruitment; Insurance
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      Cullen, Zoë, Will Dobbie, and Mitchell Hoffman. "Increasing the Demand for Workers with a Criminal Record." Quarterly Journal of Economics 138, no. 1 (February 2023): 103–150.
      • 2023
      • Working Paper

      Life After Death: A Field Experiment with Small Businesses on Information Frictions, Stigma, and Bankruptcy

      By: Shai Benjamin Bernstein, Emanuele Colonnelli, Mitchell Hoffman and Benjamin Iverson
      In a randomized control trial (RCT) with U.S. small businesses, we document that a large share of firms are not well-informed about bankruptcy. Many assume that bankruptcy necessarily entails the death of a business and do not know about Chapter 11 bankruptcy, where... View Details
      Keywords: Small Business; Insolvency and Bankruptcy; Knowledge Dissemination; Outcome or Result
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      Bernstein, Shai Benjamin, Emanuele Colonnelli, Mitchell Hoffman, and Benjamin Iverson. "Life After Death: A Field Experiment with Small Businesses on Information Frictions, Stigma, and Bankruptcy." NBER Working Paper Series, No. 30933, February 2023.
      • January 2023
      • Case

      Baofeng's Philanthropic Efforts in China

      By: Lauren Cohen, Hao Gao, Bo Li and Zhaoheng Gong
      Yanbao Dang, President of Baofeng Group and founder of the Yanbao Foundation, Baofeng Group’s philanthropic arm, weighed how the family nonprofit could maximize its impact. On a mission to eliminating poverty through broadening access to educational opportunities in... View Details
      Keywords: Family Business; Entrepreneurship; Rural Scope; Social Enterprise; Nonprofit Organizations; Social Issues; Poverty; Resource Allocation; Green Technology Industry; Education Industry; China; Asia
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      Cohen, Lauren, Hao Gao, Bo Li, and Zhaoheng Gong. "Baofeng's Philanthropic Efforts in China." Harvard Business School Case 223-067, January 2023.
      • 2022
      • Working Paper

      Credit and the Family: The Economic Consequences of Closing the Credit Gap of U.S. Couples

      By: Olivia S. Kim
      Marital property rights strengthen secondary earners’ economic power by giving them access to credit markets. I study how this crucial yet understudied feature of property laws influences household decision-making. The 2013 reversal of the Truth-in-Lending Act... View Details
      Keywords: Household; Credit; Equality and Inequality; Income; Policy; Family and Family Relationships
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      Kim, Olivia S. "Credit and the Family: The Economic Consequences of Closing the Credit Gap of U.S. Couples." Working Paper. (Job Market Paper, Revise & Resubmit, Journal of Political Economy.)
      • Working Paper

      Diversification as an Adaptive Learning Process: An Empirical Study of General-Purpose and Market-Specific Technological Know-How in New Market Entry

      By: Dominika Kinga Randle and Gary P. Pisano
      An enduring trait of modern corporations is their propensity to diversify into multiple lines of business. Penrosian theories conceptualize diversification as a strategy to exploit a firm’s fungible, yet “untradeable,” resources and point to redeployment of... View Details
      Keywords: Growth and Development Strategy; Technology Adoption; Diversification; Market Entry and Exit; Transformation
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      Randle, Dominika Kinga, and Gary P. Pisano. "Diversification as an Adaptive Learning Process: An Empirical Study of General-Purpose and Market-Specific Technological Know-How in New Market Entry." Harvard Business School Working Paper, No. 23-032, December 2022.
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