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- All HBS Web
(553)
- News (142)
- Research (259)
- Events (1)
- Multimedia (2)
- Faculty Publications (131)
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- April 2024
- Supplement
RHI Magnesita (B): Brick by Brick—Diversification?
By: Ramon Casadesus-Masanell, David M Wagner, Oliver Gassmann and Jordan Mitchell
In Part A, as of April 2017, Austria’s RHI, a backward integrated refractory company is still within the midst of merging with the next biggest competitor, Brazil’s Magnesita, while weighing options for future growth. Should the company pursue organic growth options... View Details
Casadesus-Masanell, Ramon, David M Wagner, Oliver Gassmann, and Jordan Mitchell. "RHI Magnesita (B): Brick by Brick—Diversification?" Harvard Business School Supplement 724-438, April 2024.
- winter 1985
- Article
The Nonpecuniary Costs of Automobile Emissions Standards
By: Timothy F. Bresnahan and Dennis Yao
An important component of the costs of automotive air-pollution control has been nonpecuniary: a decline in vehicle performance characteristics. This regulatory impact on what the auto industry calls "drivability" has never been quantified, although there is... View Details
Bresnahan, Timothy F., and Dennis Yao. "The Nonpecuniary Costs of Automobile Emissions Standards." RAND Journal of Economics 16, no. 4 (winter 1985): 437–455. ((reprinted in W. Harrington and V. McConnell (eds.) Controlling Automobile Air Pollution, 2007)
Harvard users click here for full text.)
- January 2012 (Revised September 2015)
- Case
Tough Decisions at Marks and Spencer
By: George Serafeim
In 2007, under the leadership of CEO Stuart Rose, the iconic British retailer Marks and Spencer, with great fanfare, announced its "Plan A" initiative. Based on the five essential pillars of climate change, waste, sustainable materials, fair partnership, and health,... View Details
Keywords: Decision Making; Environmental Sustainability; Corporate Social Responsibility and Impact; Corporate Strategy; Retail Industry
Eccles, Robert G., George Serafeim, and Kyle Armbrester. "Tough Decisions at Marks and Spencer." Harvard Business School Case 112-062, January 2012. (Revised September 2015.)
- 2013
- Working Paper
Separating Homophily and Peer Influence with Latent Space
By: Joseph P. Davin, Sunil Gupta and Mikolaj Jan Piskorski
We study the impact of peer behavior on the adoption of mobile apps in a social network. To identify social influence properly, we introduce latent space as an approach to control for latent homophily, the idea that "birds of a feather flock together." In a series of... View Details
Keywords: Social Influence; Social Network; Mobile App; Peer Effects; Latent Homophily; Latent Space; Proxy Variables; Familiarity; Behavior; Consumer Behavior; Applications and Software; Social and Collaborative Networks; Mobile and Wireless Technology; Power and Influence; Social Media
Davin, Joseph P., Sunil Gupta, and Mikolaj Jan Piskorski. "Separating Homophily and Peer Influence with Latent Space." Harvard Business School Working Paper, No. 14-053, January 2014.
- Article
Liability Structure in Small-Scale Finance
By: Fenella Carpena, Shawn Cole, Jeremy Shapiro and Bilal Zia
Microfinance, the provision of small individual and business loans, has experienced dramatic growth, reaching over 150 million borrowers worldwide. Much of the success of microfinance has been attributed to attempts to overcome the challenges of information asymmetries... View Details
Keywords: Microfinance; Emerging Markets; Financial Markets; Legal Liability; Banks and Banking; Banking Industry; India
Carpena, Fenella, Shawn Cole, Jeremy Shapiro, and Bilal Zia. "Liability Structure in Small-Scale Finance." World Bank Economic Review 27, no. 3 (2013): 437–469.
- September 2009 (Revised October 2010)
- Case
Elkay Plumbing Products Division
By: Robert S. Kaplan
The vice president of sales learns that the most profitable 1% of the division's customers generate 100% of profits, and that two of the division's largest customers lose 50% of profits. The division has just finished a project to install a time-driven activity-based... View Details
Keywords: Activity Based Costing and Management; Profit; Management Systems; Consumer Products Industry; Industrial Products Industry
Kaplan, Robert S. "Elkay Plumbing Products Division." Harvard Business School Case 110-007, September 2009. (Revised October 2010.)
- 14 Dec 2009
- Research & Ideas
Can Entrepreneurs Drive People Movers to Success?
exclusive right of way, typically an elevated guideway, though track can also be installed at or below ground level. A vehicle leaves when passengers are ready, and service is nonstop from origin to destination, with no intermediate stops... View Details
- January 2025 (Revised April 2025)
- Case
Blue Frontier: Disrupting Air Conditioning
By: Rosabeth Moss Kanter and Jacob A. Small
Serial entrepreneur Daniel Betts founded Blue Frontier in South Florida to offer a climate-friendly solution to increase air conditioning efficiency and dehumidify using new technology he developed. Backed by significant venture capital, Blue Frontier had to choose... View Details
Keywords: Entrepreneurship; Climate Change; Environmental Sustainability; Technological Innovation; Market Entry and Exit; Performance Efficiency; Business Strategy; Florida
Kanter, Rosabeth Moss, and Jacob A. Small. "Blue Frontier: Disrupting Air Conditioning." Harvard Business School Case 325-088, January 2025. (Revised April 2025.)
- July 2024 (Revised January 2025)
- Case
Dynamic Pricing at Wendy's: Where's the Beef?
By: Elie Ofek, Alicia Dadlani and Martha Hostetter
In early 2024, Wendy’s new CEO announced on an earnings call that the company would install digital menus in its US locations so it could begin testing dynamic pricing—changing prices up or down in response to shifts in supply and demand – as well as allow engaging in... View Details
Keywords: Dynamic Pricing; Marketing Strategy; Price; Technology Adoption; Consumer Behavior; AI and Machine Learning; Customer Focus and Relationships; Policy; Food and Beverage Industry
Ofek, Elie, Alicia Dadlani, and Martha Hostetter. "Dynamic Pricing at Wendy's: Where's the Beef?" Harvard Business School Case 525-010, July 2024. (Revised January 2025.)
- October 2006 (Revised February 2010)
- Case
Linux vs. Windows
By: Ramon Casadesus-Masanell and Jordan Mitchell
As of 2006, Microsoft is finding that its dominant position in client and server operating systems is under attack from Linux. While Linux has only 3% of the worldwide installed base of PC operating systems, it had captured 20% of the server market by the end of 2005... View Details
Keywords: Business Model; For-Profit Firms; Open Source Distribution; Competitive Strategy; Applications and Software; Value; Technology Industry
Casadesus-Masanell, Ramon, and Jordan Mitchell. "Linux vs. Windows." Harvard Business School Case 707-465, October 2006. (Revised February 2010.)
- December 2012
- Case
Delwarca Software Remote Support Unit
By: Roy D. Shapiro and Paul E. Morrison
Delwarca Software provides business software to large corporate clients around the world. The firm serves customers who prefer to assemble corporate solutions using a combination of software programs from various suppliers rather than implementing a single enterprise... View Details
Keywords: Service Operations; Service Delivery; Mathematical Methods; Applications and Software; Problems and Challenges; Customer Satisfaction; Information Technology Industry
Shapiro, Roy D., and Paul E. Morrison. "Delwarca Software Remote Support Unit." Harvard Business School Brief Case 913-541, December 2012.
- April 1995 (Revised July 1995)
- Case
Power Play (C): 3DO in 32-bit Video Games
The 1980s were the "Nintendo" decade in video-games, while the early 1990s saw Sega rise to prominence on the basis of next-generation, 16-bit technology. By early 1994, Nintendo and Sega split the worldwide installed base of 16-bit home video-game systems about... View Details
Brandenburger, Adam M. "Power Play (C): 3DO in 32-bit Video Games." Harvard Business School Case 795-104, April 1995. (Revised July 1995.)
- January 2021
- Article
The Effects of Menu Costs on Retail Performance: Evidence from Adoption of the Electronic Shelf Label Technology
By: Ioannis Stamatopoulos, Achal Bassamboo and Antonio Moreno
We use the adoption of electronic shelf labels (ESLs) by an international grocery retailer in 2015 to identify the effects of physical menu costs (i.e., labor and material costs of price adjustment) on retail performance. We find that the installation of ESLs increased... View Details
Keywords: Retail Operations; Dynamic Pricing; Revenue Management; Operations; Price; Revenue; Management; Retail Industry
Stamatopoulos, Ioannis, Achal Bassamboo, and Antonio Moreno. "The Effects of Menu Costs on Retail Performance: Evidence from Adoption of the Electronic Shelf Label Technology." Management Science 67, no. 1 (January 2021): 242–256.
- November 2019
- Supplement
Hapag-Lloyd AG: Complying with IMO 2020
By: Benjamin C. Esty, Mette Fuglsang Hjortshoej and Emer Moloney
A new environmental regulation known as IMO 2020 was creating what one industry analyst called “the biggest shakeup for the oil and shipping industries in decades.” According to the new regulation, all ocean-going ships would have to limit their sulfur emissions by... View Details
- May 2019 (Revised June 2021)
- Case
State of Charge: The Massachusetts Energy Storage Initiative
By: John R. Wells and Benjamin Weinstock
In early 2017, Judith Judson (Harvard Business School MBA, 2000), Commissioner of the Massachusetts Department of Energy Resources (DOER), was reflecting on the results of the initiative she had led to identify the contribution advanced electricity storage could make... View Details
Keywords: Energy Storage; Energy Generation; Programs; Policy; Strategy; Energy Industry; Utilities Industry; Massachusetts
Wells, John R., and Benjamin Weinstock. "State of Charge: The Massachusetts Energy Storage Initiative." Harvard Business School Case 719-448, May 2019. (Revised June 2021.)
- December 2024 (Revised March 2025)
- Case
Tata Power and India's Energy Transition
By: Vikram S. Gandhi, Radhika Kak and Kairavi Dey
Tata Power stood at the forefront of India’s energy transition. The firm had a long history deeply intertwined with the country's development. As Mumbai’s power needs increased, Tata Power built out thermal assets across North, West, and East India. While thermal power... View Details
Keywords: Renewable Energy; Energy Sources; Climate Change; Green Technology; Transition; Energy Generation; Resource Allocation; Energy Industry; Asia; India
Gandhi, Vikram S., Radhika Kak, and Kairavi Dey. "Tata Power and India's Energy Transition." Harvard Business School Case 325-081, December 2024. (Revised March 2025.)
- 2024
- Working Paper
Webmunk: A New Tool for Studying Online Behavior and Digital Platforms
By: Chiara Farronato, Andrey Fradkin and Chris Karr
Understanding the behavior of users online is important for researchers, policymakers, and private companies alike. But observing online behavior and conducting experiments is difficult without direct access to the user base and software of technology companies. We... View Details
Farronato, Chiara, Andrey Fradkin, and Chris Karr. "Webmunk: A New Tool for Studying Online Behavior and Digital Platforms." NBER Working Paper Series, No. 32694, July 2024.
- Article
Hurry or Wait: The Pros and Cons of Going Fast or Slow on Climate Change
By: Eleanor Denny and Jurgen Weiss
Climate change risk will likely force the de-carbonization of our electricity sector and thus involve massive investments in long-lived assets using many new and emerging technologies. Since technological progress (independent or dependent on deployment) will likely... View Details
Keywords: Electricity Sector; Environmental Risks; Fat Tails; Greenhouse Gas Emissions; Climate Change; Information Technology; Investment; Technological Innovation; Cost vs Benefits
Denny, Eleanor, and Jurgen Weiss. "Hurry or Wait: The Pros and Cons of Going Fast or Slow on Climate Change." Economists' Voice 12, no. 1 (August 2015): 19–24.
- 2025
- Working Paper
When Where Watt: Harnessing the Value of Time and Location for Renewable Electricity Generation
By: Vishrut Rana, Christian Kaps and Serguei Netessine
Problem definition: Investments in renewable energy have surged worldwide in recent years, with over $2 trillion spent globally on clean energy. This surge was driven by growing policy support, concerns about energy security, and, most importantly, the cost... View Details
Keywords: Wind Power; Electricity Distribution; Renewable Energy; Profit; Investment Return; Factories, Labs, and Plants; Geographic Location; Revenue; Energy Industry; Utilities Industry
Rana, Vishrut, Christian Kaps, and Serguei Netessine. "When Where Watt: Harnessing the Value of Time and Location for Renewable Electricity Generation." Working Paper, January 2025.
- 12 Sep 2012
- Working Paper Summaries