Publications

2012
Chapter

Inflection Point: New Vision, New Strategy, New Organization

By: Nancy O. Andrews and Nicolas P. Retsinas

What does it cost to build a great society? More pointedly, what does it cost to lose a great society? Since the War on Poverty began almost 50 years ago, investments in America’s communities have spurred those questions. Today we face a society more unequal than... View Details

Keywords: Income Inequality; Equality and Inequality; Income; Residency; Poverty

2024
Working Paper

The New Digital Divide

By: Mayana Pereira, Shane Greenstein, Raffaella Sadun, Prasanna Tambe, Lucia Ronchi Darre, Tammy Glazer, Allen Kim, Rahul Dodhia and Juan Lavista Ferres

We build and analyze new metrics of digital usage that leverage telemetry data collected by Microsoft during operating system updates across forty million Windows devices in U.S. households. These measures of US household digital usage are much more comprehensive than... View Details

Keywords: Mathematical Methods; Measurement and Metrics; Geographic Location; Behavior; Technology Adoption; Demographics

Register to Read

January 2021
Article

Machine Learning for Pattern Discovery in Management Research

By: Prithwiraj Choudhury, Ryan Allen and Michael G. Endres

Supervised machine learning (ML) methods are a powerful toolkit for discovering robust patterns in quantitative data. The patterns identified by ML could be used for exploratory inductive or abductive research, or for post-hoc analysis of regression results to detect... View Details

Keywords: Machine Learning; Supervised Machine Learning; Induction; Abduction; Exploratory Data Analysis; Pattern Discovery; Decision Trees; Random Forests; Neural Networks; ROC Curve; Confusion Matrix; Partial Dependence Plots; AI and Machine Learning

2018
Working Paper

Measuring Gentrification: Using Yelp Data to Quantify Neighborhood Change

By: Edward L. Glaeser, Hyunjin Kim and Michael Luca

We demonstrate that data from digital platforms such as Yelp have the potential to improve our understanding of gentrification, both by providing data in close to real time (i.e., nowcasting and forecasting) and by providing additional context about how the local... View Details

Keywords: Geographic Location; Local Range; Transition; Analytics and Data Science; Measurement and Metrics; Forecasting and Prediction

2019
Working Paper

Machine Learning Approaches to Facial and Text Analysis: Discovering CEO Oral Communication Styles

By: Prithwiraj Choudhury, Dan Wang, Natalie A. Carlson and Tarun Khanna

We demonstrate how a novel synthesis of three methods—(1) unsupervised topic modeling of text data to generate new measures of textual variance, (2) sentiment analysis of text data, and (3) supervised ML coding of facial images with a cutting-edge convolutional neural... View Details

Keywords: Spoken Communication; Business History; Analytics and Data Science; Finance; Performance

2008
Working Paper

Accountability and Inequality in Single-Party Regimes: A Comparative Analysis of Vietnam and China

Over the past two decades, no two economies have averaged more rapid economic growth than China and Vietnam. But while China's income inequality has risen rapidly over that same time frame, Vietnam's has only grown moderately. Structural and socio-cultural determinants... View Details

Keywords: Income Characteristics; Economic Growth; Policy; Government and Politics; Equality and Inequality; China; Viet Nam

George Serafeim is the Charles M. Williams Professor of Business Administration at Harvard Business School, where he co-leads the Climate and Sustainability Impact Lab in the Digital, Data, and Design Institute. He teaches the course "Risks, Opportunities and... View Details

Keywords: asset management; insurance industry; automobiles; industrial goods; fashion; food; green technology

Web

International Applicants - MBA

September 4, 2022 and August 30, 2024 Round 2 January 6, 2023 and January 1, 2025 2+2 Round April 23, 2023 and April 18, 2025 All applicants must request that ETS (for the TOEFL), IELTS, Pearson (for the PTE), or Duolingo send official copies of their scores to HBS.... View Details

The Transparency Paradox

2013 Winner of Academy of Management Awards for Outstanding Publication in Organizational Behavior and Best Published Paper in Organization and Management Theory

Using data from embedded participant-observers and a field experiment at the second... View Details

25 Sep 2006
Research & Ideas

How Software Platforms Revolutionize Business

You can't see them, but we've all used "software platforms" over the last few decades, whether they are embedded in the Windows operating system, a cell phone, or game machine. In a new book, the authors term software platforms "invisible engines that... View Details

Keywords: by Sean Silverthorne; Video Game; Web Services

August 2017
Article

Effective Leadership of Surgical Teams: A Mixed Methods Study of Surgeon Behaviors and Functions

By: J. Stone, E. Aveling, M. Frean, M. Shields, C. Wright, F. Gino, T. Sundt and S.J. Singer

The importance of effective team leadership for achieving surgical excellence is widely accepted, but we understand less about the behaviors that achieve this goal. We studied cardiac surgical teams to identify leadership behaviors that best support surgical teamwork.... View Details

Keywords: Groups and Teams; Leadership; Health Care and Treatment; Health Industry

Research Summary

Managing sustainability in supply chains

By: Michael W. Toffel

I am examining codes of conduct, management process standards, and government voluntary programs that address environmental and labor issues, seeking to understand what enables some of these programs to actually deliver on their promise of distinguishing organizations... View Details

Keywords: Environment; Environmental Performance; Environmental Regulation; Environmental Strategy; Regulation; Supply Chain; Supply Chain Management; Manufacturing Industry; Auto Industry; Service Industry; Construction Industry; United States; California

October 2006 (Revised February 2010)
Case

Linux vs. Windows

By: Ramon Casadesus-Masanell and Jordan Mitchell

As of 2006, Microsoft is finding that its dominant position in client and server operating systems is under attack from Linux. While Linux has only 3% of the worldwide installed base of PC operating systems, it had captured 20% of the server market by the end of 2005... View Details

Keywords: Business Model; For-Profit Firms; Open Source Distribution; Competitive Strategy; Applications and Software; Value; Technology Industry

Educators

Purchase

2021
Working Paper

Technology Differentiation and Firm Performance

By: Sam Arts, Bruno Cassiman and Jianan Hou

Prior work has extensively studied how investing in R&D and building a technology portfolio relate to superior firm performance. However, the value of a firm’s technology portfolio should also be driven by the degree to which it is more unique and technologically... View Details

Keywords: Technology Portfolio; Differentiation; Competitiveness; Organizations; Technology; Performance; United States

SSRN

Web

HBS Working Knowledge – Harvard Business School Faculty Research

businesses on open source software, code that would cost firms $8.8 trillion to create from scratch if it weren't freely available. Research by Frank Nagle and colleagues puts a value on an economic necessity that will require investment... View Details

June 2023
Article

The Effect of Firms' Information Exposure on Safeguarding Employee Health: Evidence from COVID-19

By: Lisa Yao Liu and Shirley Lu

We show that information exposure through international business networks enables firms to take proactive measures that benefit employees and potentially the local community. Specifically, in the early days of COVID-19, firms that have business networks with China and... View Details

Keywords: COVID-19 Pandemic; Networks; Knowledge Use and Leverage; Health Pandemics; Decision Choices and Conditions; Corporate Social Responsibility and Impact

July 2022
Case

Operation Overlord

By: Boris Groysberg, Greg Goullet, Katherine Connolly Baden and Sarah L. Abbott

On June 6, 1944, nearly 5,000 ships, 11,000 planes, and 160,000 infantrymen under an Allied joint-command of American, British, and Canadian leaders were sent across the English Channel, with hopes of re-establishing a foothold in Nazi-occupied France. Known as D-Day,... View Details

Keywords: Execution; Data Analytics; Leadership; Planning; Operations; Crisis Management; War; Organizational Structure; Decision Choices and Conditions; Information Management; France; England