Publications

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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

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March 8, 2016
Article

Cognitive Fatigue Influences Students' Performance on Standardized Tests

By: Hans Henrik Sievertsen, F. Gino and Marco Piovesan

Using test data for all children attending Danish public schools between school years 2009–2010 and 2012–2013, we examine how the time of the test affects performance. Test time is determined by the weekly class schedule and computer availability at the school. We find... View Details

Keywords: Time Management; Education; Performance Evaluation; Education Industry; Denmark

September 2012 (Revised July 2014)
Case

Blackstone's Investment in Intelenet

By: Josh Lerner, Sandeep Bapat and Rachna Tahilyani

Three years had passed since Blackstone's investment in Intelenet Global Services, their third largest investment in India. Great progress had been made, but now a new challenge loomed. Globank, a large global bank, was Intelenet's largest customer. Intelenet's... View Details

Keywords: India; Blackstone; Private Equity; Financial Services Industry; India

19 Mar 2018
News

Warren Buffett Is Just an Average Employee

Wall Street Research: Past, Present, and Future

Wall Street Research: Past, Present, and Future provides a timely account of the dramatic evolution of Wall Street research, examining its rise, fall, and reemergence. Despite regulatory, technological, and global forces that have transformed equity... View Details

January 2025 (Revised March 2025)
Case

Creating Value by Splitting Aster: Can One Minus One Equal Two?

By: V.G. Narayanan and Kairavi Dey

Aster DM Healthcare (Aster), founded by Dr. Azad Moopen in 1987, is a prominent healthcare conglomerate with operations spanning hospitals, clinics, retail pharmacies, and diagnostic centers across India and the GCC. After its 2018 listing on India’s National Stock... View Details

Keywords: Corporate Governance; Corporate Accountability; Leadership; Change Management; Mergers and Acquisitions; Restructuring; Negotiation; Valuation; Health Industry; Asia; India; Middle East; United Arab Emirates

Brian J. Hall is the Albert H. Gordon Professor of Business Administration at Harvard Business School. He served as the Unit Head for the Negotiation, Organizations and Markets (NOM) Unit for 14 years. Previously, he was an assistant professor of economics in the... View Details

Keywords: accounting industry; accounting industry; accounting industry; accounting industry; accounting industry; accounting industry; accounting industry; accounting industry; accounting industry; accounting industry; accounting industry; accounting industry

01 Nov 2017
What Do You Think?

What Are the Real Lessons of the Wells Fargo Case?

accounts and even transferring token amounts of funds between these accounts without customers’ knowledge. When the practice became so prevalent—2.1 million accounts from 2011... View Details

Keywords: by James Heskett; Banking

5 PM – 6 PM EDT, 21 Apr 2021
Virtual Programming

Why Startups Fail

HBS Professor Tom Eisenmann will discuss insights from his book, Why Startups Fail, with two failed alumni founders: Christina Wallace (MBA 2010), cofounder of Quincy Apparel and now Senior Lecturer at HBS, and Lindsay Hyde (MBA 2014), cofounder of Baroo, now... View Details

07 Jul 2008
Research & Ideas

Innovation Corrupted: How Managers Can Avoid Another Enron

the fact that the company was short of cash as well as profits. Yet Enron's board failed to detect and prevent violations of accounting principles and rules. In the third week of October 2001, Arthur Andersen, Enron's highly compromised... View Details

Keywords: by Martha Lagace; Energy; Utilities

June 2020 (Revised October 2020)
Case

Muddy Waters vs. eHealth: The Debate of a 'Lifetime'

By: Jonas Heese and Cristo Liautaud

In May 2020, an analyst was assessing eHealth’s performance. eHealth was an online / tele-sales broker of health insurance products. The stock had recently hit all-time highs, closing at a peak of $146 on March 4, 2020. But now, May 4, 2020, eHealth traded at $103. The... View Details

Keywords: Revenue Recognition; Health; Insurance; Online Technology; Insurance Industry

Web

Online Business Courses & Certifications | HBS Online

CORe is a business fundamentals program that combines Business Analytics, Economics for Managers, and Financial Accounting with a final exam. 10-17 weeks, 8-15 hrs/week Apply by July 7 $2,650 Credential Business Analytics Professor Janice... View Details

Program

Advancing Women of Color in Leadership

can provide wide-ranging insights into your business challenges and career decisions Who Should Attend Rising stars in their organizations, including mid-level managers, account managers, or subject-matter experts with 7-20 years of... View Details

2021
Working Paper

How Much Should We Trust Staggered Difference-In-Differences Estimates?

By: Andrew C. Baker, David F. Larcker and Charles C.Y. Wang

Difference-in-differences analysis with staggered treatment timing is frequently used to assess the impact of policy changes on corporate outcomes in academic research. However, recent advances in econometric theory show that such designs are likely to be biased in the... View Details

Keywords: Difference In Differences; Staggered Difference-in-differences Designs; Generalized Difference-in-differences; Dynamic Treatment Effects; Mathematical Methods

SSRN

2012
Working Paper

The Spatial Diffusion of Technology

By: Diego A. Comin, Mikhail Dmitriev and Esteban Rossi-Hansberg

We empirically study technology diffusion across countries and over time. We find significant evidence that technology diffuses slower to locations that are farther away from adoption leaders. This effect is stronger across rich countries and also when measuring... View Details

Keywords: Economic Growth; Knowledge Dissemination; Technology Adoption

June 2012
Article

Racial Colorblindness: Emergence, Practice, and Implications

By: Evan P. Apfelbaum, Michael I. Norton and Samuel R. Sommers

We examine the pervasive endorsement of racial colorblindness-the belief that racial group membership should not be taken into account or even noticed-as a strategy for managing diversity and intergroup relations. Despite research demonstrating that race is perceived... View Details

Keywords: Management; Strategy; Law; Practice; Race; Research; Social Issues; Diversity

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December 2011 (Revised May 2015)
Case

Aviva Investors

By: George Serafeim

The Aviva Investors case describes the challenge of integrating sustainability considerations into the strategy and business practices of companies and into the decision making process of the investment community. Steve Waygood, Chief Responsible Investment Officer at... View Details

Keywords: Investing; Investment Management; Shareholder Activism; Disclosure; Stock Exchanges; Sustainability; Sustainable Development; Sustainability Reporting; ESG; ESG (Environmental, Social, Governance) Performance; Social Impact; Activism; Investment; Management; Business and Shareholder Relations; Environmental Sustainability; United Kingdom

March 2011 (Revised October 2011)
Case

If We Ran the World

By: Hanna Halaburda, Radka Dohnalova and Aldo Sesia

Cindy Gallop launched IfWeRanTheWorld (IWRTW) in February 2010, as what the tech world called minimum viable product, in order to real-world test Gallop's "business of the future" concept while development was ongoing. IWRTW was conceived to bring together human good... View Details

Keywords: Business Model; Outcome or Result; Growth and Development Strategy; Decision Choices and Conditions; Network Effects

2011
Working Paper

The 'IKEA Effect': When Labor Leads to Love

By: Michael I. Norton, Daniel Mochon and Dan Ariely

In a series of studies in which consumers assembled IKEA boxes, folded origami, and built sets of Legos, we demonstrate and investigate the boundary conditions for what we term the "IKEA effect&"—the increase in valuation of self-made products. Participants saw their... View Details

Keywords: Investment; Labor; Resource Allocation; Valuation