Publications
Publications
Show Results For
- All HBS Web
(2,607)
- Faculty Publications (231)
- March 2022 (Revised August 2022)
- Case
LooksRare: The Decentralized, Tokenized, NFT Marketplace
By: Scott Duke Kominers, Shai Bernstein and George Gonzalez
LooksRare launched a decentralized and anonymous organization to compete against NFT marketplace leader OpenSea. By launching its own cryptocurrency, LooksRare attempted to lure users with a digital rewards program. The nature of the organization and its business... View Details
- 2022
- Article
Which Corporate ESG News Does the Market React To?
By: George Serafeim and Aaron Yoon
Using a dataset that classifies firm-level ESG news as positive and negative, we examine how stock prices react to different types of ESG news. We analyze 111,020 firm-day observations for 3,126 companies and find that prices react only to issues identified as... View Details
- Article
Megastudies Improve the Impact of Applied Behavioural Science
By: Katherine L. Milkman, Dena Gromet, Hung Ho, Joseph S. Kay, Timothy W. Lee, Pepi Pandiloski, Yeji Park, Aneesh Rai, Max Bazerman, John Beshears, Lauri Bonacorsi, Colin Camerer, Edward Chang, Gretchen Chapman, Robert Cialdini, Hengchen Dai, Lauren Eskreis-Winkler, Ayelet Fishbach, James J. Gross, Samantha Horn, Alexa Hubbard, Steven J. Jones, Dean Karlan, Tim Kautz, Erika Kirgios, Joowon Klusowski, Ariella Kristal, Rahul Ladhania, Jens Ludwig, George Loewenstein, Barbara Mellers, Sendhil Mullainathan, Silvia Saccardo, Jann Spiess, Gaurav Suri, Joachim H. Talloen, Jamie Taxer, Yaacov Trope, Lyle Ungar, Kevin G. Volpp, Ashley V. Whillans, Jonathan Zinman and Angela L. Duckworth
Policy-makers are increasingly turning to behavioural science for insights about how to improve citizens’ decisions and outcomes. Typically, different scientists test different intervention ideas in different samples using different outcomes over different time... View Details
- November 2021 (Revised January 2022)
- Case
Scott Tucker (A): Race to the Top
By: Aiyesha Dey and Amram Migdal
The case tells the story of the rise and fall of Scott Tucker, an entrepreneur, businessman, passionate race car driver, competitor, and owner of a professional racing team. From 1997 to 2012, Tucker built a nationwide network of payday lending businesses, becoming a... View Details
- November 2021 (Revised January 2022)
- Supplement
Scott Tucker (B): The Feds Catch Up
By: Aiyesha Dey and Amram Migdal
The case tells the story of the rise and fall of Scott Tucker, an entrepreneur, businessman, passionate race car driver, competitor, and owner of a professional racing team. From 1997 to 2012, Tucker built a nationwide network of payday lending businesses, becoming a... View Details
- November 2021
- Article
Determining Variable Costs in the Acute Urolithiasis Cycle of Care Through Time-driven Activity-based Costing
By: Tyler R. McClintock, David F. Friedlander, Aiden Y. Feng, Mahek A. Shah, Daniel J. Pallin, Steven L. Chang, Angela M. Bader, Thomas W. Feeley, Robert S. Kaplan and George E. Haleblian
Objective. To characterize full cycle of care costs for managing an acute ureteral stone using time-driven activity-based costing.
Methods. We defined all phases of care for patients presenting with an acute ureteral stone and built an... View Details
Methods. We defined all phases of care for patients presenting with an acute ureteral stone and built an... View Details
- Article
Decarbonization Factors
By: Alex Cheema-Fox, Bridget LaPerla, George Serafeim, David Turkington and Hui (Stacie) Wang
In the face of accelerating climate change, investors are making capital allocations seeking to decarbonize portfolios by reducing the carbon emissions of their holdings. To understand the performance of portfolio decarbonization strategies and investor behavior... View Details
- Summer 2021
- Article
Predictable Country-level Bias in the Reporting of COVID-19 Deaths
By: Botir Kobilov, Ethan Rouen and George Serafeim
We examine whether a country’s management of the COVID-19 pandemic relate to the downward biasing of the number of reported deaths from COVID-19. Using deviations from historical averages of the total number of monthly deaths within a country, we find that the... View Details
- July 2021
- Article
Material Sustainability Information and Stock Price Informativeness
By: Jody Grewal, Clarissa Hauptmann and George Serafeim
As part of the SEC’s revision of Regulation S-K, many investors proposed the mandatory disclosure of sustainability information in the form of environmental, social, and governance (ESG) data. However, progress is contingent on collecting evidence regarding which... View Details
Keywords: Voluntary Disclosure; Accounting Standards; Sustainability; Nonfinancial Information; Corporate Social Responsibility; Stock Price Informativeness; Synchronicity; Environmental Sustainability; Corporate Disclosure; Corporate Accountability; Stocks; Price; Corporate Social Responsibility and Impact; Accounting; Standards
- Article
Impact-Weighted Financial Accounts: A Paradigm Shift
By: Ethan Rouen and George Serafeim
The last decade has seen an exponential increase in corporate sustainability activities and efforts by investors to use these activities in their portfolio formation, valuation, and stewardship activities. This paper explains the need for a uniform strategy to measure... View Details
- 2021
- Working Paper
Science-Based Carbon Emissions Targets
By: David Freiberg, Jody Grewal and George Serafeim
We examine the effect of voluntarily adopting a standard for setting science-based carbon emissions targets on target difficulty and investments to achieve those targets. We find that firms with a track record of setting and achieving ambitious carbon targets are more... View Details
Keywords: Target; Targeting; Target-setting; Target Efficiency; Management Control Systems; Management Accounting; Environment; Environmental And Social Sustainability; Climate Change; Environmental Management; Environmental Accounting; Environmental Sustainability; Management Analysis, Tools, and Techniques
- April 2021
- Case
Codecademy: Where to Next?
By: Jeffrey F. Rayport, Max Mailman and Sarah Ascherman
In March 2020, Zach Sims, co-founder and CEO of online education platform Codecademy, prepared for a meeting with his Chief of Staff Kunal Ahuja to discuss the company’s goals. Codecademy billed itself as the largest online resource for computer science literacy and... View Details
Keywords: Monetization Strategy; Business Model; Change Management; Venture Capital; Leading Change; Growth and Development Strategy; Growth Management; Management Teams; Marketing Channels; Product Marketing; Network Effects; Product Development; Organizational Change and Adaptation; Strategic Planning; Internet and the Web; Digital Platforms; United States
- April 2021 (Revised April 2022)
- Case
OneTen: One Million Opportunities in Ten Years
By: V. Kasturi Rangan and Courtney Han
In the wake of George Floyd's killing in May 2020, and widespread protests for social justice in the United States, OneTen was formed by a coalition of 40 large companies to provide one million jobs for African-Americans in 10 years. The case describes the background... View Details
- March 2021
- Supplement
Facebook's Libra (B): The Privatization of Money?
By: Marco Di Maggio, Ethan Rouen, George Serafeim and Amy Klopfenstein
This case addresses the events that took place following the conclusion of the case “Facebook’s Libra (A): The Privatization of Money?” In October 2019, several months after the conclusion of the A case, multiple members of the Libra Association announced that they... View Details
Keywords: Blockchain; Cryptocurrency; Accounting; Economics; Money; Governance; Governing and Advisory Boards; Policy; Governance Controls; Innovation and Invention; Innovation Strategy; Technological Innovation; Disruptive Innovation; Information Technology; Digital Platforms; Information Infrastructure; Technology Industry; Europe; Switzerland; United States; California
- March 2021 (Revised May 2021)
- Case
ALDDN: Advancing Local Dairy Development in Nigeria
By: Meg Rithmire and Debora L. Spar
In 2020, Ndidi Nwuneli, founder and CEO of Sahel Consulting in Nigeria, faced a thorny set of problems. Her firm partnered with the Bill and Melinda Gates Foundation in a large project to develop the local dairy industry as a way to facilitate equitable growth and... View Details
- March 4, 2021
- Article
Are Your Managers in Sync with Your Change Strategy?
By: Joseph B. Fuller and Bill Theofilou
According to new research conducted by the authors, C-suite executives and upper management often don’t agree on how their organizations need to remake themselves for a post-COVID world. As a result, when CEOs and their teams begin implementing their plans, they are... View Details
- January–February 2021
- Article
Cross‐firm Return Predictability and Accounting Quality
By: Wen Chen, Mozaffar Khan, Leonid Kogan and George Serafeim
We test the hypothesis that if poor accounting quality (AQ) is associated with poor investor understanding of firms’ revenue and cost structures, then poor AQ stocks likely respond more slowly than good AQ stocks to new non‐idiosyncratic information that affects both... View Details
- November 2020 (Revised February 2021)
- Case
Wes Hall and the BlackNorth Initiative
By: Shikhar Ghosh, Marilyn Morgan Westner and Reza Satchu
Wes Hall founded Kingsdale Advisors and built it into one of Canada’s leading shareholder services and advisory firms. Influenced by the Black Lives Matter (BLM) movement and a series of social injustices—specifically the death of George Floyd in police custody—Hall... View Details
- November 2020 (Revised September 2021)
- Case
HP Instant Ink: (Self) Disrupting the Consumer Printing Market
By: Elie Ofek, Marco Bertini, Oded Koenigsberg and George Gonzalez
Seeking to disrupt the consumer printing market (before being disrupted by others), and in response to customer pain points, in 2013 HP Inc. launched an ink replenishment service called Instant Ink, where customers pay a monthly subscription fee based on the number of... View Details
- November 2020 (Revised June 2022)
- Case
Community-First Public Safety
By: Mitchell B. Weiss and Sarah Mehta
How many police officer positions to fund? In August 2020, the question facing St. Paul Mayor Melvin Carter, which might have seemed routine to another mayor at another time in another place, was anything but. A pandemic had rendered the city some $19-$34 million short... View Details