Publications
Publications
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- All HBS Web
(2,266)
- Faculty Publications (456)
- May 2018 (Revised February 2019)
- Case
The Powers That Be (Internet Edition): Google, Apple, Facebook, Amazon, and Microsoft
By: Jeffrey F. Rayport, Julia Kelley and Nathaniel Schwalb
As of early 2018, five U.S. technology companies—Google, Apple, Facebook, Amazon, and Microsoft—were among the largest companies in the world. Similarly, three Chinese technology firms—Baidu, Alibaba, and Tencent, or BAT—had emerged as global players due in part to the... View Details
- May 2018
- Case
The Multiple Myeloma Research Foundation's Answer Fund
By: Richard G. Hamermesh and Matthew G. Preble
Keywords: Data Analytics; Customer Focus and Relationships; Customer Relationship Management; Cost vs Benefits; Investment Return; Health Care and Treatment; Innovation Leadership; Intellectual Property; Knowledge Sharing; Knowledge Dissemination; Leadership; Leading Change; Resource Allocation; Goals and Objectives; Marketing Communications; Performance; Programs; Projects; Business and Community Relations; Business and Stakeholder Relations; Networks; Partners and Partnerships; Research and Development; Genetics; Behavior; Motivation and Incentives; Social and Collaborative Networks; Nonprofit Organizations; Strategy; Health Industry; Pharmaceutical Industry; Biotechnology Industry; United States
- Article
The Asymmetric Experience of Positive and Negative Economic Growth: Global Evidence Using Subjective Well-being Data
By: Jan-Emmanuel De Neve, George Ward, Femke De Keulenaer, Bert Van Landeghem, Georgios Kavetsos and Michael I. Norton
Are individuals more sensitive to losses than gains in terms of economic growth? We find that measures of subjective well-being are more than twice as sensitive to negative as compared to positive economic growth. We use Gallup World Poll data from over 150 countries,... View Details
- March 2018
- Article
How Context Affects Choice
By: Raphael Thomadsen, Robert P. Rooderkerk, On Amir, Neeraj Arora, Bryan Bollinger, Karsten Hansen, Leslie John, Wendy Liu, Aner Sela, Vishal Singh, K. Sudhir and Wendy Wood
Due to its origins in the literature on judgment and decision-making, context effects in marketing are construed exclusively in terms of how choices deviate from utility maximization principles as a function of how choices are presented (e.g., framing, sequence,... View Details
- Article
The Economic Consequences of Hospital Admissions
By: Carlos Dobkin, Amy Finkelstein, Raymond Kluender and Matthew Notowidigdo
We use an event study approach to examine the economic consequences of hospital admissions for adults in two datasets: survey data from the Health and Retirement Study, and hospitalization data linked to credit reports. For non-elderly adults with health insurance,... View Details
- January 2018 (Revised February 2018)
- Technical Note
The Scope of Business at the Base of the Pyramid: Poverty in the U.S. and Other OECD Countries
By: V. Kasturi Rangan and Tricia Gregg
Using data from U.S. Census and OECD, this note defines poverty as those populations who fall below 50% of that country’s median per capita income. It then provides a brief statistical tour of six key challenges facing such populations: Income and Jobs, Healthcare,... View Details
- January–February 2018
- Article
Ads That Don't Overstep: How to Make Sure You Don't Take Personalization Too Far
By: Leslie John, Tami Kim and Kate Barasz
Data gathered on the web has vastly enhanced the capabilities of marketers. With people regularly sharing personal details online and internet cookies tracking every click, companies can now gain unprecedented insight into individual consumers and target them with... View Details
- January 2018
- Article
Big Data and Big Cities: The Promises and Limitations of Improved Measures of Urban Life
By: Edward L. Glaeser, Scott Duke Kominers, Michael Luca and Nikhil Naik
New, "big" data sources allow measurement of city characteristics and outcome variables at higher frequencies and finer geographic scales than ever before. However, big data will not solve large urban social science questions on its own. Big data has the most value for... View Details
- December 2017
- Response
Reply: Do Powerful Politicians Really Cause Corporate Downsizing?
By: Lauren Cohen, Joshua D. Coval and Christopher J. Malloy
While we commend the initiative of Snyder and Welch (2017), we lay out in this short reply why we remain highly confident in our results and our interpretation thereof. We welcome authors to continue to explore the data for themselves and look forward to the new... View Details
- October 2017 (Revised November 2017)
- Case
NYC311
By: Constantine E. Kontokosta, Mitchell Weiss, Christine Snively and Sarah Gulick
Joe Morrisroe, executive director for NYC311, had some gut instincts but no definitive answer to the question he was just asked by one of the mayor’s deputies: “Are some communities being underserved by 311? How do we know we are hearing from the right people?” Founded... View Details
Keywords: New York City; NYC; 311; NYC311; Big Data; Equal Access; Bias; Data Analysis; Public Entrepreneurship; Urban Informatics; Predictive Analytics; Chief Data Officer; Data Analytics; Cities; City Leadership; Analytics and Data Science; Analysis; Prejudice and Bias; Entrepreneurship; Public Sector; City; Public Administration Industry; New York (city, NY)
- October 2017 (Revised April 2019)
- Case
Data Breach at Equifax
By: Suraj Srinivasan, Quinn Pitcher and Jonah S. Goldberg
The case discusses the events leading up to the massive data breach at Equifax, one of the three U.S. credit reporting companies, the organizational and governance issues that contributed to the breach, and the consequences of the breach. The case supplement provides... View Details
- Article
Pseudo-Set Framing
By: Kate Barasz, Leslie John, Elizabeth A. Keenan and Michael I. Norton
Pseudo-set framing—arbitrarily grouping items or tasks together as part of an apparent “set”—motivates people to reach perceived completion points. Pseudo-set framing changes gambling choices (Study 1), effort (Studies 2 and 3), giving behavior (Field Data and Study... View Details
Keywords: Framing Effects; Gestalt Psychology; Judgment; Judgments; Decision Making; Perception; Behavior
- 2020
- Working Paper
Sex Selection and the Indian Marriage Market
I consider the widespread phenomenon of sex ratios skewed by parental preference. Edlund (1999) proposes that if parents prefer sons and permit only women to marry up in social class, sexes will segregate by wealth in equilibrium. Using data on 30,000 Indian children,... View Details
- September 2017
- Case
Sensing (and Monetizing) Happiness at Hitachi
By: Ethan Bernstein and Stephanie Marton
Inspired by research linking happiness and productivity, Hitachi had invested in developing new “people analytics” technologies to help companies increase employee happiness. Hitachi had begun manufacturing high-tech badges that quantify a wearer’s activity patterns.... View Details
- September 2017
- Article
It Doesn't Hurt to Ask: Question-asking Increases Liking
By: K. Huang, M. Yeomans, A.W. Brooks, J. Minson and F. Gino
Conversation is a fundamental human experience, one that is necessary to pursue intrapersonal and interpersonal goals across myriad contexts, relationships, and modes of communication. In the current research, we isolate the role of an understudied conversational... View Details
- September 2017
- Article
The Belief in a Favorable Future
By: Todd Rogers, Don A. Moore and Michael I. Norton
People believe that future others’ preferences and beliefs will change to align with their own. People holding a particular view (e.g., support of President Trump) are more likely to believe that future others will share their view than to believe that future others... View Details
- August 2017 (Revised December 2018)
- Case
Tamarin App: Natural Language Processing
By: Srikant M. Datar and Caitlin N. Bowler
In this case, students explore the challenges of using sentiment analysis to monitor and understand public perception around a software application, Tamarin SEO App. Technical topics include building a filtering classifier using naive Bayes and sentiment analysis This... View Details
- July 2017 (Revised November 2017)
- Case
Propel
By: Mitchell Weiss and Sarah McAra
In 2014, Jimmy Chen, a former product manager at Facebook, founded the start-up Propel to build software for low-income Americans. After conducting in-depth behavioral research, Chen and his small team in New York City began to develop technology to address the... View Details
Keywords: Public Entrepreneurship; Govtech; Food Stamps; EBT; Mobile App; User Research; Financial Services Referrals; Grocery Marketing; Customer Discovery; Social Entrepreneurship; Entrepreneurship; Public Sector; Business Model; Research; Social Enterprise; Poverty; Welfare; Mobile and Wireless Technology; Applications and Software; Technology Industry; United States
- June 2017
- Article
When Novel Rituals Lead to Intergroup Bias: Evidence from Economic Games and Neurophysiology
By: Nicholas M. Hobson, Francesca Gino, Michael I. Norton and Michael Inzlicht
Long-established rituals in pre-existing cultural groups have been linked to the cultural evolution of large-scale group cooperation. Here we test the prediction that novel rituals—arbitrary hand and body gestures enacted in a stereotypical and repeated fashion—can... View Details
- March 2017
- Article
Why Do We Hate Hypocrites? Evidence for a Theory of False Signaling
By: Jillian J. Jordan, Roseanna Sommers, Paul Bloom and David G. Rand
Why do people judge hypocrites, who condemn immoral behaviors that they in fact engage in, so negatively? We propose that hypocrites are disliked because their condemnation sends a false signal about their personal conduct, deceptively suggesting that they behave... View Details