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Show Results For
- All HBS Web
(11,426)
- People (55)
- News (3,574)
- Research (5,261)
- Events (101)
- Multimedia (129)
- Faculty Publications (2,569)
- 14 Mar 2023
- Cold Call Podcast
Can AI and Machine Learning Help Park Rangers Prevent Poaching?
- Article
Portfolio Value-at-Risk Optimization for Asymmetrically Distributed Asset Returns
By: Joel Goh, Kian Guan Lim, Melvyn Sim and Weina Zhang
We propose a new approach to portfolio optimization by separating asset return distributions into positive and negative half-spaces. The approach minimizes a newly-defined Partitioned Value-at-Risk (PVaR) risk measure by using half-space statistical information. Using... View Details
Goh, Joel, Kian Guan Lim, Melvyn Sim, and Weina Zhang. "Portfolio Value-at-Risk Optimization for Asymmetrically Distributed Asset Returns." European Journal of Operational Research 221, no. 2 (September 1, 2012): 397–406.
- 10 Oct 2023
- Research & Ideas
In Empowering Black Voters, Did a Landmark Law Stir White Angst?
Southern Regional Council. “One of the reasons why no such data had been used before is because nobody was aware that they existed in such a systematic way,” Tabellini says. “And nobody went physically to manually collect and digitize... View Details
Keywords: by Rachel Layne
- 12 Dec 2023
- Book
HBS Faculty Books of 2023: Find Happiness, Fix Things, and Fail Well
Faculty-authored books that came out in 2023 hit many of the notes one would expect of the quiet quitter era: Finding new paths to happiness. Thriving after failure. Building a flexible and fulfilling life that prioritizes relationships... View Details
Keywords: by Danielle Kost
- 05 May 2014
- Research & Ideas
Reflecting on Work Improves Job Performance
Many of us are familiar with the gentle punishment known as "time-out," in which misbehaving children must sit quietly for a few minutes, calm down, and reflect on their actions. New research suggests that... View Details
Keywords: by Carmen Nobel
- November 2016 (Revised September 2018)
- Case
Elon Musk's Big Bets
By: David B. Yoffie, Eric Baldwin and Brandon Kaufmann
Between late 2014 and late 2016, Tesla CEO Elon Musk undertook several major, and risky, initiatives that would dramatically expand the scale and scope of Tesla’s business. In late 2014, Tesla began construction on a $5 billion “gigafactory” that would manufacture... View Details
Keywords: Electric Vehicles; Batteries; Solar Power; Strategy; Execution; Technology; Space Flight; Tesla; SolarCity; SpaceX; Elon Musk; Information Technology; Risk and Uncertainty; Expansion; Renewable Energy; Investment; Manufacturing Industry; Green Technology Industry; Auto Industry; Aerospace Industry; Battery Industry
Yoffie, David B., Eric Baldwin, and Brandon Kaufmann. "Elon Musk's Big Bets." Harvard Business School Case 717-431, November 2016. (Revised September 2018.)
- February 2011 (Revised September 2011)
- Supplement
Accounting for Catastrophes: BP PLC and Union Carbide Corporation (C)
By: David F. Hawkins and Namrata Arora
An analyst in 2010 is using the Bhopal catastrophe to illustrate proposed new accounting for contingency losses. View Details
Hawkins, David F., and Namrata Arora. "Accounting for Catastrophes: BP PLC and Union Carbide Corporation (C)." Harvard Business School Supplement 111-075, February 2011. (Revised September 2011.)
- 02 Jan 2020
- News
Hospitals Merged. Quality Didn’t Improve.
- December 2001 (Revised February 2008)
- Case
Borealis
By: Robert S. Kaplan and Bjorn N. Jorgensen
When Borealis, a European producer of plastics, used a traditional, time-consuming budgeting process, the budget was quickly out of date in a competitive environment characterized by continually changing input and output prices and dynamic market conditions. This case... View Details
Keywords: Activity Based Costing and Management; Budgets and Budgeting; Forecasting and Prediction; Investment; Governance Controls; Balanced Scorecard; Management Systems; Manufacturing Industry; Europe
Kaplan, Robert S., and Bjorn N. Jorgensen. "Borealis." Harvard Business School Case 102-048, December 2001. (Revised February 2008.)
Gabe Weinreb
I am a second-year PhD student in the Health Policy and Management program at Harvard Business School where my advisor is Dr. Rob Huckman. I live in Brookline with my fiance Natalie and our two cats, Joe and Huey. Before grad school I was a research assistant in the... View Details
- 09 Oct 2017
- Research & Ideas
Fearing Fox News, Democratic-leaning Companies Delayed Negative Announcements
world through television and print publications, as they had for decades. There was, however, one big media game changer: the Fox News Channel (FNC). Founded in 1996 by Australian media magnate Rupert Murdoch, FNC was an unusual newcomer... View Details
- 02 Jul 2014
- What Do You Think?
Are Today’s Business Heroes Challenging Our Ideas About Leadership?
Summing Up Is There Really a Formula for Great Leadership? The overall sense of responses to our question for the month is that the leadership stars of today—Jobs, Bezos, Gates, etc.,—should not cause us to change our time-honored ideas... View Details
Keywords: by James Heskett
- June 2010 (Revised April 2011)
- Case
Continental Media Group: Business Highlights
By: Robert L. Simons and Kathryn Rosenberg
Continental Media Group has a series of business reviews struggling to achieve profitability. This case focuses on the use of management control systems to identify emerging opportunities and the formulation of new strategies. The interactive system used by top... View Details
Keywords: Accounting; Governance Controls; Management Systems; Risk Management; Business Strategy; Publishing Industry
Simons, Robert L., and Kathryn Rosenberg. "Continental Media Group: Business Highlights." Harvard Business School Case 110-087, June 2010. (Revised April 2011.)
- May 2011
- Article
The Wise Leader
By: Ikujiro Nonaka and Hirotaka Takeuchi
In an era of increasing discontinuity, wise leadership has nearly vanished. Many leaders find it difficult to reinvent their corporations rapidly enough to cope with new technologies, demographic shifts, and consumption trends. They can't develop truly global... View Details
Keywords: Communication Intention and Meaning; Interpersonal Communication; Experience and Expertise; Values and Beliefs; Knowledge Sharing; Knowledge Use and Leverage; Leadership; Leadership Development; Corporate Social Responsibility and Impact; Personal Characteristics; Power and Influence
Nonaka, Ikujiro, and Hirotaka Takeuchi. "The Wise Leader." Harvard Business Review 89, no. 5 (May 2011).
- Working Paper
Visual Uniqueness in Peer-to-Peer Marketplaces: Machine Learning Model Development, Validation, and Application
By: Flora Feng, Charis Li and Shunyuan Zhang
Peer-to-peer (P2P) marketplaces have seen exponential growth in recent years featured by unique offerings from individual providers. Despite the perceived value of uniqueness, scalable quantification of visual uniqueness in P2P platforms like Airbnb has been largely... View Details
Keywords: Peer-to-peer Markets; Marketplace Matching; AI and Machine Learning; Demand and Consumers; Digital Platforms; Marketing
Feng, Flora, Charis Li, and Shunyuan Zhang. "Visual Uniqueness in Peer-to-Peer Marketplaces: Machine Learning Model Development, Validation, and Application." SSRN Working Paper Series, No. 4665286, February 2024.
- January 2003 (Revised March 2004)
- Case
Army Crew Team, The
By: Scott A. Snook and Jeffrey T. Polzer
The coach of the varsity Army crew team at West Point assembled his top eight rowers into the first crew team and the second tier of rowers into the second team using objective data on individual performance. As the second boat continually beat the first boat in races,... View Details
Snook, Scott A., and Jeffrey T. Polzer. "Army Crew Team, The." Harvard Business School Case 403-131, January 2003. (Revised March 2004.)
- October 2000 (Revised April 2005)
- Case
Z Corporation
By: Joseph B. Lassiter III, Matthew C. Lieb and Tom Clay
Tom Clay, president of Z Corp., and founder/CEO Marina Hatsopolous must decide between using a direct sales force or using a value-added reseller to begin selling the company's new 3-D printing prototype manufacturing system. View Details
Keywords: Technological Innovation; Salesforce Management; Distribution Channels; Conflict and Resolution; Technology Industry
Lassiter, Joseph B., III, Matthew C. Lieb, and Tom Clay. "Z Corporation." Harvard Business School Case 801-210, October 2000. (Revised April 2005.)
Ryan L. Raffaelli
Ryan Raffaelli is the Marvin Bower Associate Professor of Business Administration at Harvard Business School. He created and teaches the MBA course "Leadership: Execution and Action Planning" (LEAP) and serves... View Details
- October 1996 (Revised December 2022)
- Case
Chiquita Brands International (A)
By: Debora L. Spar and Terence Mulligan
When a new banana import policy is implemented in 1993 by the European Union, Chiquita Brands International, the world's largest banana distributor, watches its sales and net income plummet. The policy, Council Regulation (EEC 404/93), uses a new tariff and quota... View Details
Keywords: Plant-Based Agribusiness; Trade; Government and Politics; Policy; Market Design; Fairness; Agriculture and Agribusiness Industry; Latin America; European Union
Spar, Debora L., and Terence Mulligan. "Chiquita Brands International (A)." Harvard Business School Case 797-015, October 1996. (Revised December 2022.)
- 06 Sep 2022
- Blog Post
To Go-Go: A Foodtech Startup Serves Up Scale in Latin America
For all their variety, restaurants have two things in common: a kitchen where food is prepared and a dining area where customers consume it. But what if you could use technology to ditch the dining area and just keep the kitchen, trimming... View Details