Publications
Publications
Show Results For
- All HBS Web
(7,912)
- Faculty Publications (3,145)
Michael
→
- March 2021
- Article
International Trade and Social Connectedness
By: Michael Bailey, Abhinav Gupta, Sebastian Hillenbrand, Theresa Kuchler, Robert J. Richmond and Johannes Stroebel
We use de-identified data from Facebook to construct a new and publicly available measure of the pairwise social connectedness between 170 countries and 332 European regions. We find that two countries trade more when they are more socially connected, especially for... View Details
- Article
Manage the Suppliers That Could Harm Your Brand: Know When to Avoid, Engage, or Drop Them
By: Jodi L Short and Michael W. Toffel
The pandemic has placed a new spotlight on working conditions in factories that supply global companies. To avert problems, firms often impose codes of conduct on their suppliers and perform audits to assess compliance. Do these measures help identify unethical... View Details
Keywords: Auditing; Agency Cost; Quality And Safety; Quality Management System; Quality Management; Unions; Environmental Management; Globalization; Goods and Commodities; Governance; Labor; Labor Unions; Wages; Working Conditions; Operations; Supply Chain; Safety; Quality; China; Bangladesh; Asia; Pakistan
- March 2021
- Article
Parental Burnout Around the Globe: A 42-Country Study
By: Isabelle Roskam, Joyce Aguiar, Ege Akgun, Gizem Arikan, Mariana Artavia, Herve Avalosse, Kaisa Aunola, Michael Bader, Claire Bahati, Elizabeth J. Barham, Elaine Besson, Wim Beyers, Emilie Boujut, Maria Elena Brianda, Anna Brytek-Matera, Neomie Carbonneau, Filipa Cesar, Bin-Bin Chen, Geraldine Dorard, Luciana Carla dos Santos Elias, Sandra Dunsmuir, Natalia Egorova, Nicolas Favez, Anne-Marie Fontaine, Heather Foran, Julia Fricke, Kaichiro Furutani, Laura Gallee, Myrna Gannage, Maria Gaspar, Lucie Godbout, Amit Goldenberg, James J. Gross, Maria Ancuta Gurza, Ruby Hall, Muhammad Aamir Hashmi, Ogma Hatta, Mai Helmy, Thi Van Hoang, Mai Trang Huynh, Emerence Kaneza, Taishi Kawamoto, Goran Knezevic, Bassantea Lodegaena Kpassagou, Ljiljana B. Lazarevic, Sarah Le Vigouroux, Astrid Lebert-Charron, Vanessa Leme, Gao-Xian Lin, Carolyn MacCann, Denisse Manrique-Millones, Marisa Marias, Maria Isabel Miranda-Orrego, Marina Miscioscia, Clara Morgades-Bamba, Seyyedeh Fatemeh Mousavi, Badra Moutassem-Mimouni, Ana Muntean, Hugh Murphy, Alexis Ndayizigiye, Josue Ngnombouowo Tenkue, Sally Olderbak, Sophie Ornawka, Fatumo Osman, Daniela Oyarce-Cadiz, Pablo A Perez-Diaz, Konstantinos V Petrides, Claudia Pineda-Marin, Katharina Prandstetter, Alena Prikhidko, Ricardo T Ricci, Fernando Salinas-Quiroz, Raquel Sanchez-Rodriguez, Ainize Sarrionandia, Celine Scola, Vincent Sezibera, Paola Silva, Alessandra Simonelli, Bart Soenens, Emma Sorbring, Matilda Sorkkila, Charlotte Schrooyen, Elena Stanculescu, Elena Starchenkova, Dorota Szczygiel, Javier Tapia, Thi Minh Thuy Tri, Melissa Tremblay, A. Meltem Ustandag-Budak, Maday Valdes Pacheco, Hedwig van Bakel, Lesley Verhofstadt, Jaqueline Wendland, Saengduean Yotanyamaneewong and Moira Mikolajczak
High levels of stress in the parenting domain can lead to parental burnout, a condition that has severe consequences for both parents and children. It is not yet clear, however, whether parental burnout varies by culture, and if so, why it might do so. In this study,... View Details
- February 2021
- Tutorial
Assessing Prediction Accuracy of Machine Learning Models
By: Michael Toffel and Natalie Epstein
This video describes how to assess the accuracy of machine learning prediction models, primarily in the context of machine learning models that predict binary outcomes, such as logistic regression, random forest, or nearest neighbor models. After introducing and... View Details
- February 2021
- Tutorial
T-tests: Theory and Practice
This video provides an introduction to hypothesis testing, sampling, t-tests, and p-values. It provides examples of A/B testing and t-testing to assess whether difference between two groups are statistically significant. This video can be assigned in conjunction with... View Details
- February 2021 (Revised February 2021)
- Case
World of Dreams Entertainment Group: Building a Resilient Business
By: Lynda M. Applegate, Sarah Endline and Michael Norris
In 2021, Ron DeShay, former American Idol producer, is launching his new business venture: World of Dreams Entertainment Group. World of Dreams rethought the existing TV production model, giving audiences more power to directly influence the creation of shows through a... View Details
- February 2021
- Case
Yellow Digital Retailers: Providing Solar Electricity to Transform Rural Africa
By: Lynda M. Applegate, Frank V. Cespedes and Michael Norris
In 2020, Mike Heyink and Maya Stewart, co-founders of the Pay-as-you-Go Solar company Yellow were considering how to grow their startup. They had achieved some success in their first market, Malawi, and had recently entered Uganda, where business was slower. What did... View Details
- February 2021 (Revised August 2021)
- Case
Equity Bank: Challenging a Giant
By: Lauren H. Cohen, Michael Chitavi and Spencer C. N. Hagist
Equity Bank and CEO Dr. James Mwangi must find a way to advance from their hard-fought ascension to second largest bank in Kenya by toppling financial giant Safaricom. Doing so means developing a new strategy and tackling technological frontiers no institution in the... View Details
- February 2021
- Technical Note
Probability Distributions
By: Michael Parzen and Paul Hamilton
This technical note introduces students to the concept of random variables, and from there the normal and binomial distributions. After a brief introduction to random variables, the note describes the standard properties of the normal distribution: a single peak, and a... View Details
- January 2021 (Revised March 2022)
- Case
Into the Raging Sea: Final Voyage of the SS El Faro
By: Joseph B. Fuller and Mel Martin
Captain Michael Davidson of the container ship SS El Faro was determined to make his planned shipping trip on time—but a hurricane was approaching his intended path. To succeed, Davidson and his fellow officers must plot a course to avoid the storm in the face of... View Details
- January 15, 2021
- Article
Social Media Companies Should Self-Regulate. Now
By: Michael A. Cusumano, Annabelle Gawer and David B. Yoffie
We argue that social media firms should ramp up self-regulation of content in 2021. This argument is based on research on numerous industries where firms and/or industry associations devised self-regulatory strategies that successfully limited or forestalled more... View Details
- January 2021 (Revised March 2022)
- Teaching Note
The What Works Centre: Using Behavioral Science to Improve Social Worker Well-being (A) and (B)
This case describes the experiences of Michael Sanders—the Chief Executive of the What Works Center for Children’s Social Care—as he led the design and implementation of a program of research aimed at improving the social care system in the United Kingdom (UK) at the... View Details
- January 2021
- Case
The FIRE Savings Calculator
By: Michael Parzen and Paul Hamilton
This case follows Carol Muñoz, a member of the Financial Independence, Retire Early (FIRE) lifestyle movement. At the age of 45, Carol is considering retiring and living off the $1 million she has accumulated. Using Monte Carlo simulation, Carol forecasts the... View Details
- 8 Jan 2021
- Interview
Talk Green, Play Dirty: Corporate America's Mixed Record
By: Michael W. Toffel and Greg Dalton
- January 2021 (Revised January 2021)
- Case
Thomas Keller Restaurant Group: Leadership Through a Pandemic
By: Lena G. Goldberg and Michael S. Kaufman
Thomas Keller, the first and only American-born chef to hold multiple three-star ratings from the prestigious Michelin Guide, and Joe Essa, the immediate past Board Chair of the National Restaurant Association and the CEO of Keller’s restaurant group, were class guests... View Details
- January 2021
- Article
Chain Stability in Trading Networks
By: John William Hatfield, Scott Duke Kominers, Alexandru Nichifor, Michael Ostrovsky and Alexander Westkamp
We show that in general trading networks with bilateral contracts, a suitably adapted chain stability concept (Ostrovsky, 2008) is equivalent to stability (Hatfield and Kominers, 2012; Hatfield et al., 2013) if all agents' preferences are fully substitutable and... View Details
- January–February 2021
- Article
Compensation Packages That Actually Drive Performance
By: Boris Groysberg, Sarah Abbott, Michael R. Marino and Metin Aksoy
By aligning executives’ financial incentives with company strategy, a firm can inspire its management to deliver superior results. But it can be hard to get pay packages right. In this article four experts break down the key elements of compensation and explain how to... View Details
- January 2021
- Article
COVID-19 and the Workplace: Implications, Issues, and Insights for Future Research and Action
By: Kevin M. Kniffin, Jayanth Narayanan, Frederik Anseel, John Antonakis, Susan Ashford, Arnold B. Bakker, Peter Bamberger, Hari Bapuji, Devasheesh P. Bhave, Virginia K. Choi, Stephanie Creary, Evangelia Demerouti, Francis J. Flynn, Michele J. Gelfand, Lindred Greer, Gary Johns, Selin Kesebir, Peter G. Klein, Sun Young Lee, Hakan Ozcelik, Jennifer Louise Petriglieri, Nancy Rothbard, Cort W. Rudolph, Jason D. Shaw, Nina Sirola, Connie R. Wanberg, Ashley V. Whillans, Michael P. Wilmot and Mark van Vugt
The impacts of COVID-19 on workers and workplaces across the globe have been dramatic. This broad review of prior research rooted in work and organizational psychology, and related fields, is intended to make sense of the implications for employees, teams, and work... View Details
- 2021
- Article
Fair Algorithms for Infinite and Contextual Bandits
By: Matthew Joseph, Michael J Kearns, Jamie Morgenstern, Seth Neel and Aaron Leon Roth
We study fairness in linear bandit problems. Starting from the notion of meritocratic fairness introduced in Joseph et al. [2016], we carry out a more refined analysis of a more general problem, achieving better performance guarantees with fewer modelling assumptions... View Details