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- All HBS Web
(103)
- News (24)
- Research (58)
- Multimedia (4)
- Faculty Publications (20)
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Winners & Runners-Up | New Venture Competition
high value added segment of the transportation industry. Knumi Phong T. Ly Jayantha Dey Raju Sivasankaran Raheel Zia Subhabrata Sen Business Track Runner-Up Knumi is developing a technology that enables rich media content providers to... View Details
- 17 Dec 2014
- Research & Ideas
How Our Brain Determines if the Product is Worth the Price
pricing can be found in the article Deconstructing the Price Tag.) The Brain Shopping Experiment In a series of experiments, participants went shopping—while lying on their backs inside a functional magnetic resonance imaging (fMRI)... View Details
- 15 Sep 2022
- Blog Post
6 Things to Know About Sustainability at HBS
You’ll find beehives and rooftop gardens on campus Beehives have been on campus since 2015 as part of a project proposed by our SSAs. Our four hives act as a natural fertilizer, increasing biodiversity on campus. HBS also has nine green roofs across campus, which range... View Details
- 30 Apr 2020
- Book
Fighting Climate Change Requires a New Capitalism
Rebecca Henderson spent her young adult years living two lives. At work, she preached the risks of resisting change to MBA students at the Massachusetts Institute of Technology, drawing on lessons she learned while watching factories close as a management consultant.... View Details
- 24 Apr 2019
- Research & Ideas
The 'Amazon Effect' Is Changing Online Price Competition—and the Fed Needs to Pay Attention
future.” Cavallo is actually the source for his own data. A decade ago, while a PhD student at Harvard’s Economics Department, Cavallo began collecting pricing data to prove his home country of Argentina was lying about its inflation... View Details
- 17 Sep 2021
- Research & Ideas
The Trial of Elizabeth Holmes: Visionary, Criminal, or Both?
simple case. However, when it gets down to how white-collar crimes are prosecuted, it’s quite challenging. We don’t prosecute people based on our intuitive notions of is this fraud or not fraud? Or is this lying or not lying? Instead, we... View Details
- 08 Oct 2021
- Blog Post
8 Stories from PRIDE for National Coming Out Day
left for undergrad. There, I quickly joined a fraternity, where I lived for four years. It was also there that I had my first relationship with another man. I remember lying awake night after night, in the fraternity house, both stressed... View Details
Jean Paul Getty
billion in 1967. In 1949, the daring Getty paid $9.5 million for a sixty-year concession in Saudi Arabia’s half of the neutral barren tract lying between Saudi Arabia and Kuwait. After an initial investment of $30 million, Getty’s... View Details
Keywords: Utilities & Energy
- winter 1986
- Article
Auditor Changes Following Big Eight Mergers with Non-Big Eight Audit Firms
By: Paul M. Healy and Tom Lys
Healy, Paul M., and Tom Lys. "Auditor Changes Following Big Eight Mergers with Non-Big Eight Audit Firms." Journal of Accounting and Public Policy 5, no. 4 (winter 1986): 251–265.
- 17 Jun 2015
- Research & Ideas
Michael Porter on America’s Historic Energy Opportunity
Full Report Press Coverage 11 JUN 2015 BLOOMBERG U.S. Losing the Race to Raise Workforce Skills 11 JUN 2015 BLOOMBERG U.S. Fracking Debate: Environment Vs. Economics 11 JUN 2015 NPR America's Next Economic Boom Could Be Lying Underground... View Details
- Winter 2013
- Article
Corporate Governance Reform and Executive Incentives: Implications for Investments and Risk-Taking
By: Daniel Cohen, Aiyesha Dey and Thomas Lys
We investigate the mechanism through which the Sarbanes Oxley Act (SOX) was associated with changes in corporate investment strategies. We document that the passage of the governance regulations in SOX was followed by a significant decline in pay‐performance... View Details
Cohen, Daniel, Aiyesha Dey, and Thomas Lys. "Corporate Governance Reform and Executive Incentives: Implications for Investments and Risk-Taking." Contemporary Accounting Research 30, no. 4 (Winter 2013): 1296–1332.
- May 2008
- Article
Real and Accrual-Based Earnings Management in the Pre- and Post-Sarbanes Oxley Periods
By: Daniel Cohen, Aiyesha Dey and Thomas Lys
We document that accrual‐based earnings management increased steadily from 1987 until the passage of the Sarbanes‐Oxley Act (SOX) in 2002, followed by a significant decline after the passage of SOX. Conversely, the level of real earnings management activities declined... View Details
Cohen, Daniel, Aiyesha Dey, and Thomas Lys. "Real and Accrual-Based Earnings Management in the Pre- and Post-Sarbanes Oxley Periods." Accounting Review 83, no. 3 (May 2008): 757–787.
- Portrait Project
Faya Peng
I want to be a servant. To show compassion. To love. I remember visiting grandparents in Taiwan as a young child. I will never forget the men, lying fully prostrate on the filthy ground in the open market, begging for money. I can still... View Details
- Portrait Project
Suzanne Floy Gauron
I cannot answer the 'what,' but I do know the 'how,' and maybe that's enough. Whether my accomplishments are many or few, I hope to live respectfully of all I have been given. As a child, I spent afternoons lying in the clover, staring up... View Details
- Portrait Project
Antonio Rocha
friends, my job, and getting divorced. I would be lying if I said I planned all those changes. I did not. They just happened, fast and unexpectedly. I just knew that I needed to change something, and I am glad I did. The past couple years... View Details
- Portrait Project
Ryan Fennerty
Every day, as the first rays of light bathed the rooftops of Islamabad, the imam's call would shatter the silence of dawn. And I would awaken. I remember lying in bed, a young child transplanted from Arlington, Virginia, to a foreign... View Details
- Portrait Project
Austin Dirks
My gaze fixed upon the exposed beating heart. There was an infant lying in front of me. Its heart rate 150 beats per minute. The monitor next to me beeping faintly with each twitch of the revealed organ. The skin, the muscle, the ribs,... View Details
- July 2007
- Article
Earnings Announcement Premia and Limits to Arbitrage
By: Daniel Cohen, Aiyesha Dey, Thomas Lys and Shyam Sunder
We examine the factors underlying the presence of earnings announcement premia. We find that the premia persist beyond the sample period examined in prior studies (ending in 1988), although they decline in magnitude after 1988. Further, premia are lower on the expected... View Details
Cohen, Daniel, Aiyesha Dey, Thomas Lys, and Shyam Sunder. "Earnings Announcement Premia and Limits to Arbitrage." Journal of Accounting & Economics 43, nos. 2-3 (July 2007): 153–180.
- 13 May 2013
- Blog Post
Leveraging the HBS platform to enter social enterprise
a few uncertainties heading into this journey. I’d be lying if I said I knew exactly what to expect at HBS, precisely what I want out of the experience, or where I’d like to wind up afterwards. But I’m heading into this with an open mind,... View Details
Keywords: Nonprofit / Government
- 23 Oct 2019
- News
Future Tech Leaders Dive into New Program
in five design cycles, which build the skills needed to take a product concept from hunch to launch. Lying in bed each morning, Emily Batt (MS/MBA 2020) yearned to sleep a little longer, but had no way of knowing when her roommate would... View Details