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Show Results For
- All HBS Web
(11,352)
- People (41)
- News (3,425)
- Research (5,246)
- Events (58)
- Multimedia (132)
- Faculty Publications (3,469)
- April 3, 2016
- Guest Column
The Power of C.E.O. Activism: How Politically Outspoken Executives Sway Public (and Consumer) Opinion
By: Aaron K. Chatterji and Michael W. Toffel
Some CEOs are making news by taking public stances on controversial social issues largely unrelated to their core business. This article summarizes the insights from our research paper that shows that such "CEO activism" can influence public opinion and consumer... View Details
Keywords: Leadership & Corporate Accountability; Non-market Strategy; Corporate Social Responsibility; Politics; Political Influence; Political Strategy; Political Risk; Equity; Gender; Climate Change; Communication Strategy; Law; Leadership; Brands and Branding; Media; Problems and Challenges; Civil Society or Community; Social Issues; Public Opinion; United States; Georgia (state, US); North Carolina; Indiana; Indianapolis
Chatterji, Aaron K., and Michael W. Toffel. "The Power of C.E.O. Activism: How Politically Outspoken Executives Sway Public (and Consumer) Opinion." Grey Matter. New York Times (April 3, 2016), SR10.
- June 2025
- Article
Integral Outside: The Financial Curb Market, the Electric Telegraph, and the Politics of Pricing in Second Empire France
Financial markets in nineteenth-century France were far more complex than an analysis of the official Bourse or its state-authorized brokers would suggest. Most financial transactions occurred on an illegal yet tacitly tolerated curb market called the coulisse, which... View Details
Robertson, Charlotte. "Integral Outside: The Financial Curb Market, the Electric Telegraph, and the Politics of Pricing in Second Empire France." Journal of Modern History 97, no. 2 (June 2025): 307–347.
- Article
Advancing Gender Equity in Organizations: The Challenge and Importance of Maintaining a Gender Narrative
By: R. J. Ely and D. E. Meyerson
Ely, R. J., and D. E. Meyerson. "Advancing Gender Equity in Organizations: The Challenge and Importance of Maintaining a Gender Narrative." Organization 7, no. 4 (November 2000): 589–608.
- Web
Medium of Artistic Expression - Edwin H. Land & Polaroid | Harvard Business School
periodicals like Aperture magazine. Harold Livesay observes that in the way Henry Ford envisioned the Model T as an affordable means of transportation for all, so too did Land see his products as opening "vistas View Details
- 2015
- Working Paper
Corporate Sponsorship in Culture—A Case of Partnership in Relationship Building and Collaborative Marketing by a Global Financial Institution and a Major Art Museum
By: Ragnar Lund and Stephen A. Greyser
Purpose: This paper examines cultural sponsorship from a partnership and relationship marketing perspective. It studies a case of how a partnership between two international institutions, a bank and a museum, adds value to both in terms of interaction with... View Details
Lund, Ragnar, and Stephen A. Greyser. "Corporate Sponsorship in Culture—A Case of Partnership in Relationship Building and Collaborative Marketing by a Global Financial Institution and a Major Art Museum." Harvard Business School Working Paper, No. 16-041, October 2015.
- 2006
- Article
Measuring the Effect of Multimarket Contact on Competition: Evidence from Mergers Following Radio Broadcast Ownership Deregulation
By: Joel Waldfogel and Julie Wulf
This paper examines the effects of multimarket contact on advertising prices in the U.S. radio broadcasting industry. While it is in general difficult to measure the effect of multimarket contact on competition, the 1996 Telecommunications Act substantially relaxed... View Details
Keywords: Marketing Communications; Markets; Geographic Location; Advertising; Ownership; Price; Telecommunications Industry; Media and Broadcasting Industry; United States
Waldfogel, Joel, and Julie Wulf. "Measuring the Effect of Multimarket Contact on Competition: Evidence from Mergers Following Radio Broadcast Ownership Deregulation." Art. 17. Contributions B.E. Journal of Economic Analysis & Policy 5, no. 1 (2006).
- Web
IT Strategy: Empowering the Future of Generative AI Innovation at HBS | Information Technology
to the adoption of GenAI tools across the School, helping to organize and plan AI-related community events, including AI showcases , a HBS IT Hackathon , and Prompt-a-Thons for IT and HBS. "The GenAI... View Details
- Article
Does 'Liking' Lead to Loving? The Impact of Joining a Brand's Social Network on Marketing Outcomes
Does “liking” a brand on Facebook cause a person to view it more favorably? Or is “liking” simply a symptom of being fond of a brand? We disentangle these possibilities and find evidence for the latter: brand attitudes and purchasing are predicted by consumers’... View Details
Keywords: Brands; Marketing Effectiveness; Brand Evaluation; Peer Influence; Brands and Branding; Social and Collaborative Networks; Social Media
John, Leslie K., Oliver Emrich, Sunil Gupta, and Michael I. Norton. "Does 'Liking' Lead to Loving? The Impact of Joining a Brand's Social Network on Marketing Outcomes." Journal of Marketing Research (JMR) 54, no. 1 (February 2017): 144–155.
- June 2000
- Article
What Do A Million Observations on Banks Say About the Transmission of Monetary Policy?
Kashyap, Anil, and Jeremy Stein. "What Do A Million Observations on Banks Say About the Transmission of Monetary Policy?" American Economic Review 90, no. 3 (June 2000).
- 03 Oct 2017
- Sharpening Your Skills
7 Effective Ways to Lead Teams
Temporary Teams Lightweight organizational structure improves performance of ad hoc teams. It’s Not Nagging: Why Persistent, Redundant Communication Works Managers who inundate their teams with the same... View Details
Keywords: by Sean Silverthorne
- December 2014 (Revised March 2018)
- Case
John D. Rockefeller: The Richest Man in the World
By: Tom Nicholas and Vasiliki Fouka
By the late nineteenth century scale and managerial hierarchies had extended to several major industrial sectors of the U.S. economy. Although the precise mechanisms often varied, this process mainly involved horizontal integration, some form of legal or administrative... View Details
Keywords: Horizontal Integration; Wealth; Business History; Vertical Integration; Consolidation; Personal Development and Career; Energy Industry; United States
Nicholas, Tom, and Vasiliki Fouka. "John D. Rockefeller: The Richest Man in the World." Harvard Business School Case 815-088, December 2014. (Revised March 2018.)
- 15 Oct 2019
- Working Paper Summaries
Vote Choice Formation and the Minimal Effects of TV Debates: Evidence from 61 Elections in 9 OECD Countries
- December 1988
- Article
Ordinal Independence in Non-Linear Utility Theory
By: Jerry R. Green and Bruno Jullien
Individual behavior under uncertainty is characterized using a new axiom, ordinal independence, which is a weakened form of the von Neumann-Morgcnslern independence axiom. It states that if two distributions share a tail in common, then this tail can be modified... View Details
Keywords: Preferences
Green, Jerry R., and Bruno Jullien. "Ordinal Independence in Non-Linear Utility Theory." Journal of Risk and Uncertainty 1, no. 4 (December 1988): 355–387.
- December 2002
- Article
The Powerful Antitakeover Force of Staggered Boards: Further Findings and a Reply to Symposium Commentators
By: Lucian Arye Bebchuk, John C. Coates and Guhan Subramanian
Bebchuk, Lucian Arye, John C. Coates, and Guhan Subramanian. "The Powerful Antitakeover Force of Staggered Boards: Further Findings and a Reply to Symposium Commentators." Stanford Law Review 55, no. 3 (December 2002): 885–917. (Selected by academics as one of the "top ten" articles in corporate/securities law for 2003, out of 450 articles published in that year.)
- June 2012 (Revised December 2017)
- Case
Marc Rich and Global Commodity Trading
By: Geoffrey Jones and Espen Storli
Examines the career of Marc Rich, the world's leading commodity trader before his criminal indictment in the United States in 1983. The case surveys the historical growth of commodity trading, especially in metals, from the late nineteenth century, and its evolving... View Details
Keywords: Commodity Market; Natural Resources; Metals and Minerals; Business History; Entrepreneurship; Service Industry; Mining Industry; Africa; Europe; Middle East; North and Central America; Israel; South Africa; Iran
Jones, Geoffrey, and Espen Storli. "Marc Rich and Global Commodity Trading." Harvard Business School Case 813-020, June 2012. (Revised December 2017.)
- 18 Jul 2019
- News
Apollo 11 Astronaut Michael Collins Reflects on the 50th Anniversary of the Moon Landing
In celebration of the 50th anniversary of 1969’s successful Apollo 11 voyage, Michael Collins (AMP 69, 1974) has been sharing his memories of the famous, three-man moon... View Details
- 21 Aug 2019
- Research & Ideas
What Machine Learning Teaches Us about CEO Leadership Style
Operations Management Unit. “We are now able to work on all these rich new sources of visual data.” In a forthcoming paper in the Strategic Management Journal, Machine Learning Approaches to Facial and Text Analysis: Discovering CEO Oral... View Details
Keywords: by Michael Blanding
- March–April 2017
- Article
What's the Value of a Like?: Social Media Endorsements Don't Work the Way You Might Think
By: Leslie John, Daniel Mochon, Oliver Emrich and Janet Schwartz
Brands spend billions of dollars a year on lavish efforts to establish and maintain a social media presence. But do those campaigns actually increase revenue? New research provides an answer to this question, which has vexed marketers ever since social media burst upon... View Details
Keywords: Social and Collaborative Networks; Consumer Behavior; Marketing Strategy; Digital Marketing; Social Media
John, Leslie, Daniel Mochon, Oliver Emrich, and Janet Schwartz. "What's the Value of a Like? Social Media Endorsements Don't Work the Way You Might Think." Harvard Business Review 95, no. 2 (March–April 2017): 108–115.
- 2011
- Working Paper
Managerial Practices That Promote Voice and Taking Charge among Frontline Workers
By: Julia Adler-Milstein, Sara J. Singer and Michael W. Toffel
Process-improvement ideas often come from frontline workers who speak up by voicing concerns about problems and by taking charge to resolve them. We hypothesize that organization-wide process-improvement campaigns encourage both forms of speaking up, especially voicing... View Details
Keywords: Communication; Employees; Knowledge Sharing; Knowledge Use and Leverage; Management Practices and Processes; Operations; Business Processes; Performance Improvement
Adler-Milstein, Julia, Sara J. Singer, and Michael W. Toffel. "Managerial Practices That Promote Voice and Taking Charge among Frontline Workers." Harvard Business School Working Paper, No. 11-005, July 2010. (Revised Sept. 2011. Best Theory-to-Practice Paper Award by Academy of Management's Health Care Management Division. Selected for Best Paper Proceedings of the 2011 Academy of Management Meeting.)
- 26 Sep 2019
- Research & Ideas
What Can the World’s Largest Refugee Camp Teach Us About the Meaning of Work?
month to receive $25 Volunteering for 12 days and receiving $25 without prior notice Refugees will survey members of their community about how they spend their days. To test whether reducing near-term... View Details
Keywords: by Danielle Kost