Publications
Publications
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- All HBS Web
(3,278)
- Faculty Publications (649)
- Article
Preventing Fairness Gerrymandering: Auditing and Learning for Subgroup Fairness
By: Michael J Kearns, Seth Neel, Aaron Leon Roth and Zhiwei Steven Wu
The most prevalent notions of fairness in machine learning are statistical definitions: they fix a small collection of pre-defined groups, and then ask for parity of some statistic of the classifier (like classification rate or false positive rate) across these groups.... View Details
- 2018
- Article
Service Operations: What's Next?
By: Joy M. Field, Liana Victorino, Ryan W. Buell, Michael J. Dixon, Susan M. Goldstein, Larry J. Menor, Madeleine E. Pullman, Aleda Roth, Enrico Secchi and Jie J. Zhang
The purpose of this article is to present exciting and innovative research questions in service operations that are aligned with eight key themes and related topics determined by the Journal of Service Management (JOSM) Service Operations Expert Research Panel.... View Details
- January–February 2018
- Article
The New CEO Activists
By: Aaron K Chatterji and Michael W. Toffel
Though corporations have been lobbying the government and making campaign donations for a long time now, in recent years a dramatic new trend has emerged in U.S. politics: CEOs are taking very public stands on thorny political issues that have nothing to do with their... View Details
- December 2017 (Revised April 2018)
- Case
The Children's Hospital of Philadelphia: Network Strategy 2016
By: Michael E. Porter, Thomas W. Feeley and Toyin J. Okanlawon
Children’s Hospital of Philadelphia (CHOP) began as a stand-alone hospital in the heart of downtown Philadelphia in 1855. By 2016 the CHOP Care Network stretched across Pennsylvania, New Jersey, and the New York metropolitan area, providing a wide range of services... View Details
- Article
(Mis)perceptions of Inequality
By: Oliver P. Hauser and Michael I. Norton
Inequality is arguably the defining societal issue of the 21st century. The debate over “who gets what’ underlies policy debates ranging from taxation to health care to wages and permeates society at all levels, attracting increasing interest from policymakers,... View Details
- 2017
- Article
Handgun Waiting Periods Reduce Gun Deaths
By: Michael Luca, Deepak Malhotra and Christopher Poliquin
Handgun waiting periods are laws that impose a delay between the initiation of a purchase and final acquisition of a firearm. We show that waiting periods, which create a “cooling off” period among buyers, significantly reduce the incidence of gun violence. We estimate... View Details
- Article
Why Every Organization Needs an Augmented Reality Strategy
By: Michael E. Porter and James E. Heppelmann
While the physical world is three-dimensional, most data is trapped on two-dimensional pages and screens. This gulf between the real and digital worlds prevents us from fully exploiting the volumes of information now available to us. Augmented reality (AR), a set of... View Details
- October 2017 (Revised April 2024)
- Case
Snap Inc. Goes Public (A)
By: Lynn Sharp Paine and Will Hurwitz
Snap Inc.’s chairman must decide how to address investor concerns about the company’s unprecedented plans to issue only non-voting shares in its upcoming IPO. The case is set in early 2017 following the public availability of Snap’s IPO filing with the U.S. Securities... View Details
Keywords: Ethics; Capital Structure; Corporate Accountability; Governing and Advisory Boards; Corporate Governance; Going Public; Business and Shareholder Relations; Leadership; Management; Mobile and Wireless Technology; Venture Capital; Technology Industry; Telecommunications Industry; Information Technology Industry; United States; California
- 2017
- Working Paper
Nowcasting the Local Economy: Using Yelp Data to Measure Economic Activity
By: Edward L. Glaeser, Hyunjin Kim and Michael Luca
Can new data sources from online platforms help to measure local economic activity? Government datasets from agencies such as the U.S. Census Bureau provide the standard measures of economic activity at the local level. However, these statistics typically appear only... View Details
- August 2017 (Revised November 2017)
- Case
VTS
By: Mark Roberge and Michael Roberts
The case raises issues around sales force deployment and management issues in the SaaS industry. Specifically, VTS sells a software product to the real estate industry and has designed a Go-to-Market strategy for what the founders perceive to be the unique... View Details
- 14 Aug 2017
- Conference Presentation
A Convex Framework for Fair Regression
By: Richard Berk, Hoda Heidari, Shahin Jabbari, Matthew Joseph, Michael J. Kearns, Jamie Morgenstern, Seth Neel and Aaron Roth
We introduce a flexible family of fairness regularizers for (linear and logistic) regression problems. These regularizers all enjoy convexity, permitting fast optimization, and they span the range from notions of group fairness to strong individual fairness. By varying... View Details
- July 2017 (Revised October 2017)
- Supplement
Becton Dickinson: Innovation and Growth (B)
By: Raffaella Sadun, Michael Beer and James Weber
This (B) case supplements the (A) case by providing additional information and updates through early 2016. View Details
- Article
Dying Is Unexpectedly Positive
By: Amelia Goranson, Ryan S. Ritter, Adam Waytz, Michael I. Norton and Kurt Gray
In people’s imagination, dying seems dreadful; however, these perceptions may not reflect reality. In two studies, we compared the affective experience of people facing imminent death with that of people imagining imminent death. Study 1 revealed that blog posts of... View Details
Keywords: Death; Language; LIWC; Positivity; Affective Forecasting; Open Materials; Perspective; Attitudes
- June 2017 (Revised October 2017)
- Case
Becton Dickinson: Innovation and Growth (A)
By: Raffaella Sadun, Michael Beer and James Weber
In late 2015, CEO Vince Forlenza was reviewing Becton Dickinson’s transformation efforts designed to enable the company to innovate and grow in a changing environment. Becton Dickinson had been a successful medical device company for over 100 years. In recent years,... View Details
Keywords: Transformation; Change Management; Innovation Leadership; Mergers and Acquisitions; Organizational Change and Adaptation; Organizational Culture; Organizational Design; Strategy; Growth and Development Strategy; Medical Devices and Supplies Industry; Health Industry; Manufacturing Industry; United States
- June 2017 (Revised December 2017)
- Case
CJ E&M: KCON Goes Global
By: Elie Ofek and Michael Norris
In January of 2017, CJ Entertainment & Media (E&M) proudly announced that it will be holding its first ever KCON in Mexico City just two months later. CJ Group Chairman Jay Lee and Vice Chairwoman Miky Lee are pleased at the progress that KCON, a Korean-oriented music... View Details
- June 2017
- Article
The Social Trajectory of a Finance Professor and the Common Sense of Capital
By: Marion Fourcade and Rakesh Khurana
This paper traces the career of Michael Jensen, a Chicago finance PhD turned Harvard Business School professor to reveal the intellectual and social conditions that enabled the emergence and institutionalization of what we call the “neoliberal common sense of capital,”... View Details
- June 2017
- Article
The Surprising Effectiveness of Hostile Mediators
Contrary to the tendency of mediators to defuse negative emotions between adversaries by treating them kindly, we demonstrate the surprising effectiveness of hostile mediators in resolving conflict. Hostile mediators generate greater willingness to reach agreements... View Details
Keywords: Mediation; Conflict; Negotiation; Hostility; Negotiation Style; Emotions; Conflict and Resolution
- May 2017
- Article
Agent-based Modeling: A Guide for Social Psychologists
By: Joshua Conrad Jackson, David Rand, Kevin Lewis, Michael I. Norton and Kurt Gray
Agent-based modeling is a longstanding but underused method that allows researchers to simulate artificial worlds for hypothesis testing and theory building. Agent-based models (ABMs) offer unprecedented control and statistical power by allowing researchers to... View Details
- 2018
- Working Paper
How Scheduling Can Bias Quality Assessment: Evidence from Food Safety Inspections
By: Maria Ibanez and Michael W. Toffel
Many production processes are subject to inspection to ensure they meet quality, safety, and environmental standards imposed by companies and regulators. Inspection accuracy is critical to inspections being a useful input to assessing risks, allocating quality... View Details
- March 2017 (Revised June 2019)
- Case
CEO Activism (A)
By: Michael W. Toffel, Aaron K. Chatterji and Julia Kelley
This case introduces CEO activism, a phenomenon in which business leaders engage in political or social issues that do not relate directly to their companies. The case uses several examples to describe why business leaders are engaging in CEO activism and the potential... View Details
Keywords: Leadership & Corporate Accountability; Environmental And Social Sustainability; Environment; Climate Change; Gender Equality; Communication Strategy; Moral Sensibility; Values and Beliefs; Leadership; Law; Rights; Risk Management; Media; Corporate Social Responsibility and Impact; Religion; Expansion; Strategy; Social Issues; Consumer Products Industry; Electronics Industry; Technology Industry; United States; Indiana; North Carolina