Publications
Publications
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- All HBS Web
(1,433)
- Faculty Publications (426)
- 2024
- Working Paper
What Do Impact Investors Do Differently?
In recent years, impact investors – private investors who seek to generate simultaneously financial and social returns – have attracted intense interest and controversy. We analyze a novel, comprehensive data set of impact and traditional investors to assess how the... View Details
- 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
- October 2023
- Article
Innovation on Wings: When Do Nonstop Flights Matter for Global Innovation?
By: Dany Bahar, Prithwiraj Choudhury, Do Yoon Kim and Wesley Koo
We study whether, when, and how better connectivity through nonstop flights leads to positive innovation outcomes for firms in the global context. Using unique data of all flights emanating from 5,015 airports around the globe from 2005 to 2015 and exploiting a... View Details
- July–August 2023
- Article
Demand Learning and Pricing for Varying Assortments
By: Kris Ferreira and Emily Mower
Problem Definition: We consider the problem of demand learning and pricing for retailers who offer assortments of substitutable products that change frequently, e.g., due to limited inventory, perishable or time-sensitive products, or the retailer’s desire to... View Details
- June 2023 (Revised November 2024)
- Case
Albert Einstein: Changing the World
By: Robert Simons and Shirley Sun
This case traces the rise of Albert Einstein from a small town in Germany to a towering intellectual leader who revolutionized the field of physics. The case describes his early education and his penchant for individual thinking and non-conformity. A committed... View Details
- 2023
- Working Paper
ESG: From Process to Product
By: George Serafeim
ESG measurement, analysis, management, and communication is a process that the financial industry has turned into a product, resulting in many investment funds using the ESG label. This has caused confusion, generating demand for a framework that defines... View Details
- 2023
- Working Paper
Firm Purpose and Problem Wickedness: A Review of the Academic Literature
By: Caroline Adelson, Charlotte Kuller, Cate Tompkins, Ellora Sarkar, Samantha Price and Marco Iansiti
Our understanding of the firm’s role in society has evolved greatly over the past 70 years, with more recent years seeing a sharp rise in interest for how firms can contribute more than profits to society – that is, have a purpose beyond profits. Businesses engaged in... View Details
- 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
- March 2023 (Revised September 2023)
- Case
Wilshire Lane Capital
By: Jeffrey J. Bussgang, Lindsay N. Hyde and Stacy Straaberg
In September 2021, Adam Demuyakor (MBA 2017) was faced with decisions about how to launch his venture capital (VC) investment firm. His previous investment activities were a series of angel investments and special purpose vehicles alongside two part-time general... View Details
- March 2023 (Revised May 2023)
- Technical Note
Technical Note: The Traits of Entrepreneurs
By: Jo Tango and Alys Ferragamo
Why do some entrepreneurs succeed and others do not? Are there personality traits that lead someone to become an entrepreneur? Although many questions still remain, there has been significant research on the “entrepreneurial personality.” This note provides an... View Details
- March 8, 2023
- Article
How to Help Superstar Employees Fulfill Their Potential
By: Anthony J. Mayo
To better understand the leadership challenges and development opportunities facing high-potential employees, researchers analyzed more than 3,000 applications to Harvard Business School’s High Potentials Leadership Program over a nearly 20-year period. The... View Details
- 2023
- Working Paper
Sending Signals: Strategic Displays of Warmth and Competence
By: Bushra S. Guenoun and Julian J. Zlatev
Using a combination of exploratory and confirmatory approaches, this research examines how
people signal important information about themselves to others. We first train machine learning
models to assess the use of warmth and competence impression management... View Details
- February 2023 (Revised November 2024)
- Case
Ronald Reagan: Changing the World
By: Robert Simons and Shirley Sun
This case traces the rise of Ronald Reagan from small town Illinois to two-term president of the United States. An unlikely candidate for the world’s most powerful job, the case describes the different roles that Reagan filled over his life: radio announcer, Hollywood... View Details
- January 2023
- Exercise
Identify the Health Care Venture
By: Regina E. Herzlinger and James Wallace
This case enables rapid learning of the key financial characteristics of many types of health care organizations and to diagnose their financial status. It is a surprisingly fun exercise (see the Teaching Note) accomplished by organizing groups of students that compete... View Details
- January 2023 (Revised May 2023)
- Case
Steve Jobs: Changing the World
By: Robert Simons and Shirley Sun
This case traces the life of Steve Jobs who throughout his career flaunted convention and chose an unusual path to success. The case describes how Jobs, as young man, acquired an appreciation for aesthetics and the liberal arts, but was also quick to recognize and... View Details
- 2023
- Article
Experimental Evaluation of Individualized Treatment Rules
By: Kosuke Imai and Michael Lingzhi Li
The increasing availability of individual-level data has led to numerous applications of individualized (or personalized) treatment rules (ITRs). Policy makers often wish to empirically evaluate ITRs and compare their relative performance before implementing them in a... View Details
- December 2022 (Revised September 2024)
- Teaching Note
Leonard Bernstein: Changing the World
By: Robert Simons and Shirley Sun
Teaching Note for HBS Case No. 122-056. The case traces the rise of Leonard Bernstein from a middle-class family in Boston to the conductor of the New York Philharmonic Orchestra. The case describes how he studied music intensely as a young man and developed mentors to... View Details
- 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
- 2022
- Article
Leadership & Overconfidence
By: Don A Moore and Max H. Bazerman
Expressions of confidence can give leaders credibility. In the political realm, they can earn votes and public approval for decisions made in office. Such support is justified when the confidence displayed is truly a sign that a leader (whether a candidate or an... View Details
- 2022
- Book
Complicit: How We Enable the Unethical and How to Stop
By: Max H. Bazerman
It is easy to condemn obvious wrongdoers such as Elizabeth Holmes, Adam Neumann, Harvey Weinstein, and the Sackler family. But we rarely think about the many people who supported their unethical or criminal behavior. In each case there was a supporting cast of... View Details