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Show Results For
- All HBS Web
(1,031)
- People (3)
- News (344)
- Research (440)
- Events (2)
- Multimedia (7)
- Faculty Publications (216)
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- 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.)
- 17 Jun 2014
- First Look
First Look: June 17
Abstract—Although documenting everyday activities may seem trivial, four studies reveal that creating records of the present generates unexpected benefits by allowing future rediscoveries. In Study 1, we use a "time capsule"... View Details
Keywords: Sean Silverthorne
- 08 Mar 2016
- First Look
March 8, 2016
approaches can be reconciled through the Lean Strategy process, which ensures that startups innovate in a disciplined fashion and make the most of their limited resources by knowing "what not to do." Deliberate strategy sets the... View Details
Keywords: Sean Silverthorne
- Winter 2014
- Article
The Art of Strategic Renewal
By: Andy Binns, J. Bruce Harreld, Charles A. O'Reilly and Michael L. Tushman
In recent years, we have seen well-established companies such as Kodak, Blockbuster, Nokia, and BlackBerry pushed to the brink by smart competitors and changes in their industries. In each case, there were opportunities to act before a crisis engulfed the organization.... View Details
Keywords: Organizational Change and Adaptation
Binns, Andy, J. Bruce Harreld, Charles A. O'Reilly, and Michael L. Tushman. "The Art of Strategic Renewal." MIT Sloan Management Review 55, no. 2 (Winter 2014): 21–23.
- 03 Nov 2015
- First Look
November 3, 2015
these models, the demand curve alone can be used to make welfare statements, a fact relied on by much empirical work. There is ample evidence, though, that people misuse care for a different reason: mistakes or "behavioral... View Details
Keywords: Sean Silverthorne
- 28 May 2008
- First Look
First Look: May 28, 2008
institutional theory, we hypothesize that ratings are particularly likely to spur responses from firms whose legitimacy is threatened—and thus are shamed—by these ratings. We extend existing theory by drawing on the strategic choice... View Details
Keywords: Martha Lagace
- 09 Dec 2008
- First Look
First Look: December 9, 2008
possess some nice theoretical properties, such as the optimization of social surplus and having dominant strategies. These properties may not be satisfied by current position auctions and their variants. We therefore concentrate on the... View Details
Keywords: Martha Lagace
- 2025
- Working Paper
The Cybernetic Teammate: A Field Experiment on Generative AI Reshaping Teamwork and Expertise
By: Fabrizio Dell'Acqua, Charles Ayoubi, Hila Lifshitz, Raffaella Sadun, Ethan Mollick, Lilach Mollick, Yi Han, Jeff Goldman, Hari Nair, Stew Taub and Karim R. Lakhani
We examine how artificial intelligence transforms the core pillars of collaboration—
performance, expertise sharing, and social engagement—through a pre-registered field
experiment with 776 professionals at Procter & Gamble, a global consumer packaged goods
company.... View Details
Keywords: Artificial Intelligence; Teamwork; Human-machine Interaction; Productivity; Skills; Innovation; Field Experiment; AI and Machine Learning; Groups and Teams; Competency and Skills; Performance Productivity; Collaborative Innovation and Invention; Product Development
Dell'Acqua, Fabrizio, Charles Ayoubi, Hila Lifshitz, Raffaella Sadun, Ethan Mollick, Lilach Mollick, Yi Han, Jeff Goldman, Hari Nair, Stew Taub, and Karim R. Lakhani. "The Cybernetic Teammate: A Field Experiment on Generative AI Reshaping Teamwork and Expertise." Harvard Business School Working Paper, No. 25-043, March 2025.
- 28 Apr 2009
- First Look
First Look: April 28, 2009
Surgical to develop some, but not all, of Incept's IP. The specifics of which IP Confluent would develop were described by a licensing agreement between Incept and Confluent. Venture capitalist Charles... View Details
Keywords: Martha Lagace
- September 2021
- Article
Perceptions on Undertaking Regular Asymptomatic Self-testing for COVID-19 Using Lateral Flow Tests: A Qualitative Study of University Students and Staff
By: Marta Wanat, Mary Logan, Jennifer A. Hirst, Charles Vicary, Joseph J. Lee, Rafael Perera, Irene Tracey, Gordon Duff, Peter Tufano, Thomas Fanshawe, Lazaro Mwandigha, Brian D. Nicholson, Sarah Tonkin-Crine and Richard Hobbs
Objectives: Successful implementation of asymptomatic testing programmes using lateral flow tests (LFTs) depends on several factors, including feasibility, acceptability and how people act on test results. We aimed to examine experiences of university students... View Details
Wanat, Marta, Mary Logan, Jennifer A. Hirst, Charles Vicary, Joseph J. Lee, Rafael Perera, Irene Tracey, Gordon Duff, Peter Tufano, Thomas Fanshawe, Lazaro Mwandigha, Brian D. Nicholson, Sarah Tonkin-Crine, and Richard Hobbs. "Perceptions on Undertaking Regular Asymptomatic Self-testing for COVID-19 Using Lateral Flow Tests: A Qualitative Study of University Students and Staff." BMJ Open 11, no. 9 (September 2021).
- June 7, 2016
- Blog Post
The Value-Decreasing Effect of Staggered Boards
By: Alma Cohen and Charles CY Wang
Cohen, Alma, and Charles CY Wang. "The Value-Decreasing Effect of Staggered Boards." Harvard Law School Forum on Corporate Governance (June 7, 2016). https://corpgov.law.harvard.edu/2016/06/07/the-value-decreasing-effect-of-staggered-boards/.
- Blog Post
Reexamining Staggered Boards and Shareholder Value
By: Alma Cohen and Charles CY Wang
Cohen, Alma, and Charles CY Wang. "Reexamining Staggered Boards and Shareholder Value." Harvard Law School Forum on Corporate Governance (December 13, 2017). https://corpgov.law.harvard.edu/2017/12/13/reexamining-staggered-boards-and-shareholder-value/.
- 2015
- Working Paper
Staggered Boards and Shareholder Value: A Reply to Amihud and Stoyanov
By: Alma Cohen and Charles C.Y. Wang
In a paper published in the Journal of Financial Economics in 2013, we provided evidence that market participants perceive staggered boards to be on average value-reducing. In a recent response paper, Amihud and Stoyanov (2015) “contest” our results. They... View Details
Keywords: Staggered Boards; Takeover Defense; Antitakeover Provision; Firm Value; Agency Costs; Delaware; Chancery Court; Airgas; Governing and Advisory Boards; Acquisition; Corporate Governance; Business and Shareholder Relations; Delaware
Cohen, Alma, and Charles C.Y. Wang. "Staggered Boards and Shareholder Value: A Reply to Amihud and Stoyanov." Harvard Business School Working Paper, No. 16-097, February 2016.
- 31 Jan 2012
- First Look
First Look: Jan. 31
PublicationsHow Leaders Kill Meaning at Work Authors:Teresa Amabile and Steven Kramer Publication:The McKinsey Quarterly, no. 1 (January 2012) Abstract Senior executives routinely undermine creativity, productivity, and commitment by... View Details
Keywords: Sean Silverthorne & Carmen Nobel
- 04 Oct 2011
- First Look
First Look: October 4
relationship using data from 93 change projects conducted by clinical managers at the National Health Service in the United Kingdom. The results show social position, both within the field and within the organization, influences actors'... View Details
Keywords: Sean Silverthorne
- 08 Jun 2010
- First Look
First Look: June 8
Epstein, and Kristi Yuthas Publication:In Scaling Social Impact: New Thinking, edited by Paul Bloom and Edward Skloot. Palgrave Macmillan, forthcoming An abstract is unavailable at this time. Order this Book:... View Details
Keywords: Martha Lagace
- June 2024 (Revised March 2025)
- Case
Wemade: (Re)Establishing Trust in Blockchain Games (A)
By: Jung Koo Kang, Charles C.Y. Wang, David Allen and Kwangmoon So
This case explores the fundamental challenges and accounting issues arising from the integration of blockchain technology into traditional business models. It features Wemade, a South Korean online gaming company that has staked its future on blockchain-based games.... View Details
Keywords: Blockchain; Cryptocurrency; Video Games; Accounting; Financial Reporting; Revenue Recognition; Games, Gaming, and Gambling; Corporate Disclosure; Information Technology; Technology Adoption; Accounting Industry; Information Technology Industry; Video Game Industry; South Korea
Kang, Jung Koo, Charles C.Y. Wang, David Allen, and Kwangmoon So. "Wemade: (Re)Establishing Trust in Blockchain Games (A)." Harvard Business School Case 124-025, June 2024. (Revised March 2025.)
- September 2017 (Revised December 2019)
- Case
Miami Price: Bidding on an Iconic Transit-Oriented Development Site
By: Charles F. Wu, Aaron Stolear, Vitali Bourchtein and Sayiddah Fatima McCree
13th Floor-Adler, a partnership of 13th Floor Investments and Adler Group, was compiling a response to a Miami-Dade County Request for Proposal (RFP). The RFP's prize was the opportunity to develop a 7.5+/- acre parking lot, adjacent to a heavy-rail rapid transit... View Details
Keywords: Land Valuation; Real Estate Development; Real Estate; Land Markets; Land Investment; Property; Design; Valuation; Real Estate Industry; Miami
Wu, Charles F., Aaron Stolear, Vitali Bourchtein, and Sayiddah Fatima McCree. "Miami Price: Bidding on an Iconic Transit-Oriented Development Site." Harvard Business School Case 218-034, September 2017. (Revised December 2019.)
- Article
The Inpatient Discharge Lounge as a Potential Mechanism to Mitigate Emergency Department Boarding and Crowding
By: Brian Franklin, Sharif Vakili, Robert S. Huckman, Sarah Hosein, Nicholas Falk, Katherine Cheng, Maria Murray, Sheila Harris, Charles A. Morris and Eric Goralnick
Delayed access to inpatient beds for admitted patients contributes significantly to emergency department (ED) boarding and crowding, which have been associated with deleterious patient safety effects. To expedite inpatient bed availability, some hospitals have... View Details
Keywords: Health Care Delivery; Emergency Room; Operations Improvement; Operations Management; Health Care and Treatment; Service Delivery; Operations; Management; Performance Improvement; Service Operations
Franklin, Brian, Sharif Vakili, Robert S. Huckman, Sarah Hosein, Nicholas Falk, Katherine Cheng, Maria Murray, Sheila Harris, Charles A. Morris, and Eric Goralnick. "The Inpatient Discharge Lounge as a Potential Mechanism to Mitigate Emergency Department Boarding and Crowding." Annals of Emergency Medicine 75, no. 6 (June 2020): 704–714.
- 24 Feb 2015
- First Look
First Look: February 24
definition of profit by changing accounting rules. On one level, this corporate behavior embodies the capitalist spirit articulated by Milton Friedman: "The social responsibility of business is to... View Details
Keywords: Sean Silverthorne