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- All HBS Web
(2,722)
- People (2)
- News (517)
- Research (1,751)
- Events (3)
- Multimedia (8)
- Faculty Publications (863)
- October 2022 (Revised August 2024)
- Case
Cigna-Express Scripts: Can a Vertical Merger Rescue an Industry Under Attack?
By: Leemore Dafny
In Fall 2019, Cigna Corporation – a global health services company with a significant presence in the U.S. employer-sponsored health insurance market - was digesting its $54 billion acquisition of Express Scripts, Inc. (ESI), a pharmacy benefit manager (PBM)... View Details
Dafny, Leemore. "Cigna-Express Scripts: Can a Vertical Merger Rescue an Industry Under Attack?" Harvard Business School Case 323-038, October 2022. (Revised August 2024.)
- 12 Jun 2015
- News
Overcoming the Confidence Gap for Women
- November 2000 (Revised January 2003)
- Case
Yahoo!'s Stock-Based Compensation
By: Paul M. Healy and Jacob Cohen
Amy Maislos, an investor in Internet and technology companies, was excited to read that Yahoo! had reported a positive net income for 1998 operations. During the late 1990s, stock prices of Internet companies had risen rapidly even though most companies were reporting... View Details
Keywords: Stock Options; Internet and the Web; Financial Statements; Corporate Disclosure; Business Earnings; Earnings Management; Information Technology Industry
Healy, Paul M., and Jacob Cohen. "Yahoo!'s Stock-Based Compensation." Harvard Business School Case 101-059, November 2000. (Revised January 2003.)
- 06 Mar 2014
- HBS Seminar
Dina Pomeranz, Harvard Business School
- 26 Mar 2006
- Research & Ideas
The Office of Strategy Management
surrounding the success that organizations have in executing strategy is low. Our article, "The Office of Strategy Management," using data from a Bain Consulting study, notes that seven out of eight companies in a global sample of 1,854 large View Details
Keywords: by Martha Lagace
- 03 Sep 2014
- Working Paper Summaries
Supply Chain Screening Without Certification: The Critical Role of Stakeholder Pressure
- March 2018 (Revised April 2018)
- Case
Morgan Stanley: Building Long-Term Sustainability
By: Vikram S. Gandhi and Lynn Schenk
This case focuses on the 10-year journey of one of the world's largest global financial institutions developing a sustainability strategy and integrating it across all of its business units. The case provides a deep dive into the challenges and successes of trying to... View Details
Keywords: Finance; Sustainability; Green Bonds; ESG; Environmental Sustainability; Strategy; Business Units; Integration; Financial Institutions
Gandhi, Vikram S., and Lynn Schenk. "Morgan Stanley: Building Long-Term Sustainability." Harvard Business School Case 318-103, March 2018. (Revised April 2018.)
- 28 May 2019
- Research & Ideas
Investor Lawsuits Against Auditors Are Falling, and That's Bad News for Capital Markets
Investors rely on corporate auditors to keep impartial watch on the accounting practices of the companies they invest in. Historically, investors have not been shy about launching litigation when they believed auditors did not do enough... View Details
- 2012
- Working Paper
No News Is Good News: CSR Strategy and Newspaper Coverage of Negative Firm Events
By: Jiao Luo, Stephan Meier and Felix Oberholzer-Gee
One of the benefits of Corporate Social Responsibility (CSR) programs, it has been argued, is that they build up a reservoir of public good will, shielding companies in times of trouble. In this paper, we test the view that CSR provides protection from public ire by... View Details
Keywords: Corporate Social Responsibility and Impact; Crisis Management; Media; Newspapers; Business and Community Relations; Corporate Strategy
Luo, Jiao, Stephan Meier, and Felix Oberholzer-Gee. "No News Is Good News: CSR Strategy and Newspaper Coverage of Negative Firm Events." Harvard Business School Working Paper, No. 12-091, April 2012.
- 28 Oct 2014
- First Look
First Look: October 28
October 2014 Review of Financial Studies Corporate Investment and Stock Market Listing: A Puzzle? By: Asker, John, Joan Farre-Mensa, and Alexander Ljungqvist Abstract—We investigate whether short-termism distorts the investment decisions... View Details
Keywords: Carmen Nobel
- 17 Nov 2010
- Working Paper Summaries
Network Effects in Countries’ Adoption of IFRS
Keywords: by Karthik Ramanna & Ewa Sletten
- June 4, 2025
- Editorial
Employee Stress Is a Business Risk—Not an HR Problem
By: Marion Chomse, Lydia Roos, Reeva Misra and Ashley Whillans
Workplace stress, on the rise for decades, has been treated by many organizations as a personal issue instead of a business-critical risk that merits executive oversight. This is likely due in part to the fact that companies have not effectively quantified and tracked... View Details
Chomse, Marion, Lydia Roos, Reeva Misra, and Ashley Whillans. "Employee Stress Is a Business Risk—Not an HR Problem." Harvard Business Review (website) (June 4, 2025).
Krishna G. Palepu
KRISHNA G. PALEPU is the Ross Graham Walker Professor of Business Administration, and has served previously as Senior Advisor to the President of Harvard University, and Senior Associate Dean at the... View Details
- 12 Nov 2021
- News
The Psychology Behind Meeting Overload
- 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
Baker, Andrew C., David F. Larcker, and Charles C.Y. Wang. "How Much Should We Trust Staggered Difference-In-Differences Estimates?" European Corporate Governance Institute Finance Working Paper, No. 736/2021, February 2021. (Harvard Business School Working Paper, No. 21-112, April 2021.)
- 04 Aug 2011
- Working Paper Summaries
A Dynamic Perspective on Ambidexterity: Structural Differentiation and Boundary Activities
Keywords: by Sebastian Raisch & Michael L. Tushman
- 17 Jul 2023
- Blog Post
Sustainability Career Advice from the Career & Professional Development Office
Hillary Mann is a Corporate Relations Director in the Career and Professional Development Office covering Consumer Products, Retail & Luxury Goods, Hospitality, Agribusiness, and Sustainability. She enjoys helping students and alumni... View Details
- 25 Apr 2018
- Research & Ideas
We May Have Taken Too Much Credit for Easing Workplace Segregation
Hroe Large American companies are less racially integrated today than a generation ago—in fact, businesses have returned to the bleaker segregation levels of the 1970s, new research shows. This racial division among companies was a... View Details
Keywords: by Dina Gerdeman
- 2022
- Book
Business Ethics: What Everyone Needs to Know
By: J.S. Nelson and Lynn A. Stout
An authoritative and practical guide to business ethics, written in an accessible question-and-answer format. In today's turbulent business climate, business ethics are more important than ever. Surveys of employees show that misconduct is on the rise. Cover stories... View Details
Nelson, J.S., and Lynn A. Stout. Business Ethics: What Everyone Needs to Know. New York: Oxford University Press, 2022.
- September 2013
- Article
Converging to the Lowest Common Denominator in Physical Health
By: Leslie K. John and Michael I. Norton
Objective: This research examines how access to information on peer health behaviors affects one's own health behavior. Methods: We report the results of a randomized field experiment in a large corporation in which we introduced walkstations (treadmills... View Details
John, Leslie K., and Michael I. Norton. "Converging to the Lowest Common Denominator in Physical Health." Special Issue on Health Psychology Meets Behavioral Economics. Health Psychology 32, no. 9 (September 2013): 1023–1028.