Publications
Publications
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- All HBS Web
(1,155)
- Faculty Publications (195)
- February 2023
- Case
Ransomware Attack at Springhill Medical Center
By: Suraj Srinivasan and Li-Kuan (Jason) Ni
In July, 2019, Springhill Medical Center (“SMC”) in Mobile, Alabama, fell prey to a malicious ransomware attack that crippled the hospital’s internal network systems and public-facing web page. While the hospital rushed to securely restore the network, medical... 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; Resource Allocation; Risk Management; Negotiation Tactics; Failure; Business and Stakeholder Relations; Attitudes; Behavior; Perception; Reputation; Trust; Public Opinion; Social Issues; Health Industry; United States; Alabama
- February 2023 (Revised May 2023)
- Case
CalPERS Private Equity 2.0
By: Josh Lerner, John D. Dionne and Alys Ferragamo
Yup Kim, the Head of Investments, Private Equity at the California Public Employees’ Retirement System (CalPERS), reflected on the pension fund’s private equity strategy. In July of 2022, the fund was in the midst of a multi-year turnaround strategy with the goal to... View Details
- Winter 2022
- Article
Distributing a Billion Vaccines: COVAX Successes, Challenges, and Opportunities
By: Eric Budish, Hannah Kettler, Scott Duke Kominers, Erik Osland, Canice Prendergast and Andrew A. Torkelson
By January 2022, the COVAX international vaccine collaboration had allocated over a billion vaccines to over 140 countries. We describe and review the allocation process chosen, which reflected both an objective of equitably distributing vaccines across the world and... View Details
- July 2022
- Article
The Developmental Origins and Behavioral Consequences of Attributions for Inequality
By: Antonya Marie Gonzalez, Lucia Macchia and Ashley V. Whillans
Attributions, or lay explanations for inequality, have been linked to inequality-relevant behavior. In adults and children, attributing inequality to an individual rather than contextual or structural causes is linked to greater support for economic inequality and less... View Details
- Article
Why Build in Web3
By: Jad Esber and Scott Duke Kominers
A major change is coming to the internet. While today’s dominant platforms have guarded their troves of user data and maintained an advantage through network effects, new companies—working in what they're calling a “Web3” model—are proposing a new value proposition to... View Details
- Other Article
Sustainable Strategies and Net-Zero Goals
By: Mark L. Frigo, Robert S. Kaplan and Karthik Ramanna
In a recent Harvard Business Review article, Kaplan and Ramanna describe a rigorous approach, the E-liability method, for companies’ ESG reporting, especially as it pertains to GHG emissions measurements. They argue that the current standards for measuring... View Details
- March 2022
- Background Note
Climate Challenges for Cities: Introduction to Issues and Actions in the United States
By: Rosabeth Moss Kanter and Catarina Mia Martinez
This background Note introduces the implications of climate change (global warming) for American cities. In the U.S., partisan political divides and unaddressed economic and racial disparities in climate vulnerabilities can inhibit action. The two main fronts for... View Details
Keywords: Climate Change; Cities; Emission Reduction; Change; Change Leadership; Electric Power Generation; Transportation; Recycling; Green Business; Green Building; Ecosystem; Construction; Systems Change; Cross-sector Collaboration; Adaptation; Geographic Location; Resource Allocation; Infrastructure; Government and Politics; Social Issues; Urban Development; United States
- 2022
- Chapter
Immigration Policy Levers for U.S. Innovation and Startups
By: William R. Kerr and Sari Pekkala Kerr
Immigrants account for about a quarter of US invention and entrepreneurship despite a policy environment that is not well suited for these purposes. This chapter reviews the U.S. immigration policy environment that governs how skilled migrants move to America for... View Details
- March 2022
- Teaching Note
Sawiris Foundation: Elevating Education in Egypt
By: Brian Trelstad and Alpana Thapar
Teaching Note for HBS Case No. 322-023. Founded in 2001 by the Sawiris family, one of the wealthiest families in Egypt, the Sawiris Foundation for Social Development (SFSD) invested in human capital and provision of basic social services for the most marginalized... View Details
- February 8, 2022
- Article
Time-Driven Activity-Based Cost Comparison of Treating Five Acute, Low-Severity Conditions
By: Alan Yang, Andy Hung-Yi Lee, Joseph W. Kopp, Katherine D. Rose, Adam M. Licurse, Philip D. Anderson and Robert S. Kaplan
In 2017, patients made 145 million visits to emergency departments (EDs), generating $76.3 billion in charges. About a third of ED visits, however, were for conditions that were treatable in lower-resourced settings. We used time-driven activity-based costing (TDABC)... View Details
- 2024
- Working Paper
What Drives Variation in Investor Portfolios? Estimating the Roles of Beliefs and Risk Preferences
By: Mark Egan, Alexander MacKay and Hanbin Yang
We present an empirical model of portfolio choice that allows for the nonparametric estimation of investors' (subjective) expectations and risk preferences. Utilizing a comprehensive dataset of 401(k) plans from 2009 through 2019, we explore heterogeneity in asset... View Details
- October 2021 (Revised May 2023)
- Case
Engine No. 1: An Impact Investing Firm Engages with ExxonMobil
By: Mark Kramer, Shawn Cole, Vikram S. Gandhi and T. Robert Zochowski
ExxonMobil, the world's fifth largest source of carbon emissions, remained committed to aggressively expanding its oil & gas business despite global warming. During the COVID pandemic this strategy resulted in massive losses as the price and demand for oil declined. ... View Details
- October 2021
- Background Note
How to Write an Action-Planning Memo
By: Ryan Raffaelli and Akshaya Varghese
The ability to communicate an action plan through writing is essential for advancing ideas, earning credibility, and garnering support. Research has shown that leaders who write formal plans are more likely to execute successfully—written plans help members of an... View Details
- September 2021 (Revised November 2022)
- Case
Community Solutions
By: Brian Trelstad and Tom Quinn
Community Solutions was an anti-homelessness nonprofit founded in 2011 after protagonist Rosanne Haggerty grew frustrated with the limited impact of traditional housing and outreach strategies. It set an ambitious goal, reached in some partner communities, of ending... View Details
Keywords: Change; Change Management; Disruption; Transformation; Communication; Communication Strategy; Decision Making; Cost vs Benefits; Decision Choices and Conditions; Decisions; Forecasting and Prediction; Social Entrepreneurship; Ethics; Values and Beliefs; Capital Budgeting; Capital Markets; Country; Government Administration; Government Legislation; Housing; Disruptive Innovation; Innovation and Invention; Innovation Strategy; Knowledge Sharing; Leading Change; Resource Allocation; Mission and Purpose; Performance Evaluation; Performance Improvement; Philanthropy and Charitable Giving; Opportunities; Social Enterprise; Nonprofit Organizations; Human Needs; Public Opinion; Social Issues; Societal Protocols; Poverty; Welfare; Well-being; System; Equality and Inequality; Consulting Industry; Real Estate Industry; United States; New York (city, NY); Florida; Texas
- September 2021 (Revised February 2022)
- Case
Sawiris Foundation: Elevating Education in Egypt
By: Brian Trelstad and Alpana Thapar
Founded in 2001 by the Sawiris family, one of the wealthiest families in Egypt, the Sawiris Foundation for Social Development (SFSD) invested in human capital and provision of basic social services for the most marginalized Egyptians. In 2015, Noura Selim’s (MBA 2013)... View Details
- August 2021
- Teaching Note
Yale University Investments Office: November 2020
By: Josh Lerner
Teaching Note for HBS Case No. 821-074. View Details
- Article
Are They Useful? The Effects of Performance Incentives on the Prioritization of Work Versus Personal Ties
By: Julia Hur, Alice Lee-Yoon and Ashley V. Whillans
Most working adults report spending very little time with friends and family. The current research explores the aspects of work that encourage employees to spend less time with personal ties. We show that incentive systems play a critical role in shaping how people... View Details
- July 2021
- Article
Augmenting Markets with Mechanisms
By: Samuel Antill and Darrell Duffie
We explain how the common practice of size-discovery trade detracts from overall financial market efficiency. At each of a series of size-discovery sessions, traders report their desired trades, generating allocations of the asset and cash that rely on the most recent... View Details
- July 2021
- Article
Redistribution through Markets
By: Piotr Dworczak, Scott Duke Kominers and Mohammad Akbarpour
Policymakers frequently use price regulations as a response to inequality in the markets they control. In this paper, we examine the optimal structure of such policies from the perspective of mechanism design. We study a buyer-seller market in which agents have private... View Details
- March 2021
- Case
Yale Investments Office: November 2020
By: Josh Lerner, Jo Tango and Alys Ferragamo
David Swensen and the Investments Office staff must decide whether to continue to allocate the bulk of the university's endowment to illiquid investments—hedge funds, private equity, venture capital, real estate, natural resources—given the impact of the COVID-19... View Details
Keywords: University Endowment; Asset Allocation; Real Estate; Equities; Fixed Income; COVID-19; Asset Management; Private Equity; Venture Capital; Natural Resources; Resource Allocation; Investment; Investment Portfolio; Health Pandemics; Financial Crisis; Financial Services Industry; Real Estate Industry; Energy Industry; Connecticut