Publications

April 2022
Teaching Note

Tempur Sealy International (A, B & C)

By: Benjamin C. Esty and Daniel Fisher

Teaching Note for HBS Case Nos. 718-422, 718-423, and 718-424. The cases explore the long-term relationship between Tempur Sealy (TPX, a mattress manufacturer) and Mattress Firm (MFRM, a bedding retailer and TPX's largest customer). For almost 20 years, the firms... View Details

February 2018
Article

Structural GARCH: The Volatility-Leverage Connection

By: Robert F. Engle and Emil N. Siriwardane

During the financial crisis, financial firm leverage and volatility both rose dramatically. Consequently, institutions are being asked to reduce leverage in order to reduce risk, though the effectiveness depends upon the role of capital structure in volatility. To... View Details

Keywords: Leverage; Credit Risk; Crisis Management; Equity; Volatility; Credit; Risk Management; Financial Crisis

2017
Working Paper

Homophily in Entrepreneurial Team Formation

By: Paul A. Gompers, Kevin Huang and Sophie Q. Wang

We study the role of homophily in group formation. Using a unique dataset of MBA students, we observe homophily in ethnicity and gender increases the probability of forming teams by 25%. Homophily in education and past working experience increases the probability of... View Details

Keywords: Groups and Teams; Diversity; Familiarity; Entrepreneurship; Venture Capital; Performance

SSRN

2011
Chapter

Changing Identity, Changing Language

By: Kathleen L. McGinn and Jeffrey T. Polzer

Environmental jolts and shifting membership challenge a group's efficacy and survival. Group identity is critical for a shared interpretation of and response to these challenges, but external and internal changes may require corresponding changes in a group's... View Details

Keywords: Change; Spoken Communication; Performance Efficiency; Problems and Challenges; Safety; Identity; California

October 2005 (Revised January 2021)
Case

Pharmaceutical Industry in 2005, The

By: John R. Wells and Elizabeth Raabe

The entire pharmaceutical industry faced uncertain times in 2005. Many of the industry's most pressing issues—patent expirations, new drug pipeline development, price pressures, regulatory issues, and political pressures—were long standing. Fundamentally new... View Details

Keywords: Strategy; Research and Development; Framework; Change; Competition; Technological Innovation; Pharmaceutical Industry

Educators

Article

Four Things No One Will Tell You About ESG Data

By: Sakis Kotsantonis and George Serafeim

As the ESG finance field and the use of ESG data in investment decision-making continue to grow, the authors seek to shed light on several important aspects of ESG measurement and data. This article is intended to provide a useful guide for the rapidly rising number of... View Details

10 Apr 2023

MBA Class Visit

The excitement, energy, and unexpected insights generated by case method make it a hallmark of the HBS distinctive learning environment. We invite you to experience our stimulating academic environment by observing an MBA class in session. View Details

06 May 2024
Research & Ideas

The Critical Minutes After a Virtual Meeting That Can Build Up or Tear Down Teams

communication technology, language, status, and task design. “What we discovered was great variation in what happened when they disconnected after meetings.” Among both global teams, the research team also had the chance to observe what... View Details

Keywords: by Michael Blanding

22 Nov 2023
Research & Ideas

Humans vs. Machines: Untangling the Tasks AI Can (and Can't) Handle

often have PhDs. Within each group, some consultants had no AI access, others used GPT-4 alone, while still another group was given GPT-4 and some training in how to use it. Because the authors partnered with BCG, they were able to View Details

Keywords: by Rachel Layne; Information Technology; Technology

17 May 2017
Research & Ideas

Minorities Who 'Whiten' Job Resumes Get More Interviews

United States. Some of the resumes included information that clearly pointed out the applicants’ minority status, while others were whitened, or scrubbed of racial clues. The researchers then created email accounts and phone numbers for the applicants and View Details

Keywords: by Dina Gerdeman

17 Jul 2007
First Look

First Look: July 17, 2007

Working PapersPlatform Envelopment Authors:Thomas Eisenmann, Geoffrey Parker, and Marshall Van Alstyne Abstract Due to network effects and switching costs, platform providers often become entrenched. To dislodge them, entrants generally must offer revolutionary... View Details

Keywords: Martha Lagace

January 2022
Case

Tomorrow.io Goes to Space

By: Joshua Lev Krieger, Abhishek Nagaraj and James Barnett

This case study explores the evolution of Tomorrow.io, a weather forecasting technology company, as it pivoted toward building and launching space-based weather radar satellites. This strategic shift was driven by the company's ambition to overcome data limitations in... View Details

Keywords: Communication; Competency and Skills; Engineering; Globalization; Innovation and Invention; Performance; Information Technology; Aerospace Industry

Educators

Article

Valuing Time Over Money Predicts Happiness After a Major Life Transition: A Preregistered Longitudinal Study of Graduating Students

By: A.V. Whillans, Lucia Macchia and Elizabeth Dunn

How does prioritizing time or money shape major life decisions and subsequent well-being? In a preregistered longitudinal study of approximately 1000 graduating university students, respondents who valued time over money chose more intrinsically rewarding activities... View Details

Keywords: Time Use; Trade-offs; Career Decisions; Time Management; Money; Happiness; Values and Beliefs; Personal Development and Career

November 2009 (Revised May 2017)
Case

Miracle Life, Inc.

By: Lauren Cohen and Christopher Malloy

Miracle Life is a firm with a unique setup and organizational structure. Specifically, it is a network marketing firm, also known as multi-level marketing (MLM) firm, which utilizes a large distributor base and depends on this individual distributor base to sell its... View Details

Keywords: Finance; Cash Flow; Stocks; Growth and Development Strategy; Product Marketing; Distribution; Organizational Structure

Educators

September 2009
Article

Spousal Control and Intra-Household Decision Making: An Experimental Study in the Philippines

By: Nava Ashraf

Using an experimental design I elicit causal effects of spousal observability and communication on financial choices of married individuals in the Philippines. Making choices public moves men from putting money into their own account to consumption; communication with... View Details

Keywords: Intra-household; Bargaining; Experiments; Economic Development; Saving; Governance Controls; Decision Choices and Conditions; Personal Finance; Family and Family Relationships; Household; Gender

20 Oct 2022
News

Envy, the Happiness Killer

Estimating Spillovers from Publicly Funded R&D: Evidence from the US Department of Energy

The spillovers from public R&D grants are large and reach far across geographic and technological space, and focusing only on firms that directly receive grants causes... View Details

17 May 2007
Working Paper Summaries

The Price of Capital: Evidence from Trade Data

Keywords: by Laura Alfaro & Faisal Z. Ahmed

2023
Working Paper

Insufficiently Justified Disparate Impact: A New Criterion for Subgroup Fairness

By: Neil Menghani, Edward McFowland III and Daniel B. Neill

In this paper, we develop a new criterion, "insufficiently justified disparate impact" (IJDI), for assessing whether recommendations (binarized predictions) made by an algorithmic decision support tool are fair. Our novel, utility-based IJDI criterion evaluates false... View Details

Keywords: AI and Machine Learning; Forecasting and Prediction; Prejudice and Bias