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- Faculty Publications (148)
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- All HBS Web (523)
- Faculty Publications (148)
- 2009
- Working Paper
Do Friends Influence Purchases in a Social Network?
By: Raghuram Iyengar, Sangman Han and Sunil Gupta
Social networks, such as Facebook and Myspace have witnessed a rapid growth in their membership. Some of these businesses have tried an advertising-based model with very limited success. However, these businesses have not fully explored the power of their members to... View Details
Keywords: Marketing; Network Effects; Sales; Power and Influence; Social and Collaborative Networks; Web Sites; South Korea
Iyengar, Raghuram, Sangman Han, and Sunil Gupta. "Do Friends Influence Purchases in a Social Network?" Harvard Business School Working Paper, No. 09-123, April 2009.
- 13 Mar 2012
- First Look
First Look: March 13
MaterialsFonterra David E. Bell and Mary ShelmanHarvard Business School Case 512-003 In 2011, Fonterra, the world's largest processor and exporter of dairy products, needed to reposition its business to take advantage of rising demand in... View Details
Keywords: Sean Silverthorne
- 11 Apr 2012
- Research & Ideas
The High Risks of Short-Term Management
investment horizon of their shareholders. In addition, short-term-oriented firms appear to have more volatile stock returns and higher estimated cost of equity capital—that is, greater risk. While the presence of long-term-oriented... View Details
- Web
Electricity - Business & Environment
especially vulnerable to the impacts of climate change: hurricanes, wildfires, and sea level rise pose immense risks for the reliable delivery of electricity. As one example, restoring electric power in Puerto Rico following Hurricane Maria took nearly one year and... View Details
- 25 May 2021
- Research & Ideas
White Airbnb Hosts Earn More. Can AI Shrink the Racial Gap?
example, a 2017 study found that across 72 predominantly Black New York City neighborhoods, Airbnb hosts were five times more likely to be white. And the same study found that white Airbnb hosts in Black neighborhoods earned an estimated... View Details
- 25 Sep 2019
- Research & Ideas
The Economic Cost of Physician Burnout
doing is meaningful anymore." It’s well understood that doctors are constantly asked to do more with less. In addition to a demand for physicians that outstrips the supply, new laws around electronic record-keeping have increased the... View Details
- 22 Feb 2022
- News
New Urban Order
generally. There are potentially even greater savings to be realized in improving building efficiency, he notes, through energy audits, retrofits, and smart building software (the DOE estimates energy waste in the average US commercial... View Details
Keywords: Kathleen Fu, Deborah Blagg, Julia Hanna, and Maureen Harmon; illustrations by; energy; environment; sustainability; entrepreneurship; Transit and Ground Passenger Transportation; Transportation; Water, Sewage and Supply Systems; Utilities; Construction of Buildings; Construction; Waste Management and Remediation Services; Corporate Services
- Web
Finance Awards & Honors - Faculty & Research
Institutions for "The Limits of Insurance Demand and the Growing Protection Gap" with Pari Sastry, Tess Scharlemann, and Ana-Maria Tenekedijieva. 2024 Elisabeth Kempf : Winner of the 2024 Second Place Jensen Prize for the best paper... View Details
- 27 Jun 2011
- Research & Ideas
Recovering from the Need to Achieve
actor William H. Macy, knows he is not alone. He estimates about 80 to 85 percent of Morgan Stanley and Goldman Sachs bankers, for example, would self-identify themselves as HNAPs. "When I talk about it they all relate to it,"... View Details
Keywords: by Kim Girard
- 03 Dec 2020
- Research & Ideas
Cut Payroll Costs with Transparency, Fairness, and Compassion
chômage partiel, under which the government pays a portion of a company’s wages in times of economic distress to limit layoffs. During the 2008-2009 recession, furlough programs were estimated to have saved 395,000 jobs in Japan and... View Details
Keywords: by Boris Groysberg and Sarah Abbott
- 03 Oct 2011
- Research & Ideas
Transforming Manufacturing Waste into Profit
It's been said that "one man's trash is another man's treasure." HBS Assistant Professor Deishin Lee, however, has taken that old adage a step further in her recent working paper Turning Waste into By-Product by showing how it's possible for companies to turn... View Details
- Web
Case Studies - Social Impact Collaboratory
its new President Laurie Patton faced the challenge of students calling for divestment from fossil fuels, trustees opposed to it, and a series of day to day administrative challenges that demanded her immediate attention. How does change... View Details
- 12 Nov 2021
- News
Alumni Business Leaders on Confronting the Climate Change Challenge
reliably meet the demand generated by these evolving clean energy technologies. These are but a few of the many opportunities corporate leadership will need to bring into its deliberations on strategy and resource allocation. Also, in... View Details
- Web
Entrepreneurship Course Online | HBS Online
What Is Entrepreneurship? Evaluating Ideas John Osher: Illustrating the Entrepreneurial Process Featured Exercises Sizing the market Estimate willingness to pay 6-8 hrs Module 2 Building a Business Apply the POCD (People, Opportunity,... View Details
- 13 Nov 2019
- Research & Ideas
Don't Turn Your Marketing Function Over to AI Just Yet
perspective, using basic economic principles—assuming customers prefer lower-priced products, for example—to build models that can begin to explain how consumers approach online search. (See Large-Scale Demand View Details
Keywords: by Kristen Senz
- Web
HBS - Financials | Supplemental Financial Information
enrollment increased 2 percent to nearly 42,000. While enrollment growth slowed from fiscal 2022, the group continued to see strong demand from women, minority, and international participants, while maintaining an overall completion rate... View Details
- Web
HBS - Financials | Supplemental Financial Information
since its creation has been remarkable, spurred by the demand for a high-quality online business education as a tool for career and personal advancement. Expanding its course portfolio with timely new offerings, HBS Online launched... View Details
- 09 Sep 2015
- Research & Ideas
Leadership Lessons of the Great Recession: Options for Economic Downturns
With global markets in turmoil over the last several weeks, leaders throughout the world are starting to think about how they should respond if confronted with an economic downturn. Yet what do we know about how leaders decide what to do when View Details
- Web
Scaling Work - Research Computing Services
efficiency (how perfectly parallelized a given function is): Stata/MP is the version of Stata that is programmed to take full advantage of multicore and multiprocessor computers. It is exactly like Stata/SE in all ways except that it distributes many of Stata’s most... View Details
- 09 Aug 2021
- Research & Ideas
OneTen: Creating a New Pathway for Black Talent
$4,000; the average white family has net worth of $140,000. A lot of that has to do with disparities in employment that exist, which have their origins in the education system.” College degrees have gained even more importance in a knowledge-based economy. The... View Details