Publications
Publications
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- All HBS Web
(4,762)
- Faculty Publications (1,019)
- January 2020
- Article
The Job Rating Game: Revolving Doors and Analyst Incentives
By: Elisabeth Kempf
Investment banks frequently hire analysts from rating agencies. While many argue that this "revolving door" creates captured analysts, it can also create incentives to improve accuracy. To study this issue, I construct an original dataset, linking analysts to their... View Details
- November 2019
- Case
Chile: Unrest in the Copper Nation
By: Laura Alfaro and Sarah Jeong
For decades, Chile was heralded as South America’s pillar of stable economic growth. Chile was the world’s largest producer of copper and enjoyed a long period of over 30 years of world demand for its resources. In 2013, the commodity boom ended and was replaced by a... View Details
- 2020
- Working Paper
Engineering Serendipity: When Does Knowledge Sharing Lead to Knowledge Production?
By: Jacqueline N. Lane, Ina Ganguli, Patrick Gaule, Eva C. Guinan and Karim R. Lakhani
We investigate how knowledge similarity between two individuals is systematically related to the likelihood that a serendipitous encounter results in knowledge production. We conduct a natural field experiment at a medical research symposium, where we exogenously... View Details
- November 2019 (Revised December 2019)
- Case
Martini Klinik: Prostate Cancer Care 2019
By: Michael E. Porter, Jens Deerberg-Wittram and Thomas W. Feeley
Since its establishment in 2005, Hamburg’s Martini Klinik had single mindedly focused on prostate cancer care with a commitment to measure long-term health outcomes for every patient. A wholly owned subsidiary of the University Hospital Hamburg, Martini Klinik was a... View Details
Keywords: Health Care; Michael Porter; Jens Deerberg-Wittram; Clifford Marks; Prostate Cancer; Health Care Policy; Value Agenda; Integrated Practice Units; Outcomes Measurement; Health Care and Treatment; Value; Health Disorders; Insurance; Medical Specialties; Outcome or Result; Measurement and Metrics; Business Processes; Insurance Industry; Health Industry; Germany
- Article
How to Use Heuristics for Differential Privacy
By: Seth Neel, Aaron Leon Roth and Zhiwei Steven Wu
We develop theory for using heuristics to solve computationally hard problems in differential privacy. Heuristic approaches have enjoyed tremendous success in machine learning, for which performance can be empirically evaluated. However, privacy guarantees cannot be... View Details
- November 2019 (Revised May 2021)
- Case
DeepGreen - the Metals Company and Polymetallic Nodules
The world has begun a “green transition”—a move to reduce carbon emissions. Part of this will entail a growing shift to electric vehicles. Huge amounts of metals—cobalt, nickel, and copper—will be needed to supply electric vehicles. Mining these on land, however, is... View Details
- November 2019
- Supplement
Kids & Company: Entering the U.S.
By: Boris Groysberg, Sarah Mehta and Matthew Preble
This video supplement pairs with “Kids & Company: Entering the U.S.” (case no. 418011). It contains eight individual clips that range in length from 5 to 12 minutes. Instructors can use the videos, either in whole or in part, as an additional teaching... View Details
Keywords: Early Childhood Education; Strategy; Growth and Development Strategy; Growth Management; Business Strategy; Competitive Strategy; Competitive Advantage; Expansion; Leadership; Marketing; Product Marketing; Brands and Branding; Service Delivery; Service Operations; Product Design; Product Development; Cross-Cultural and Cross-Border Issues; Selection and Staffing; Customer Focus and Relationships; Entrepreneurship; Service Industry; Canada; United States
- October 2019 (Revised February 2020)
- Case
Brightview Senior Living
By: Lynda M. Applegate and James Weber
Marilynn Duker, CEO, was exploring how to grow the company while maintaining the culture that made it a leader in the field of senior housing. Brightview constructed and operated senior living apartment communities that offered independent living, assisted living, and... View Details
- October 2019 (Revised June 2020)
- Supplement
Airbus vs. Boeing (G): New Planes and Upgrades (2011)
By: Ramon Casadesus-Masanell and Karen Elterman
This case describes the first commercial flight of Boeing's 787 Dreamliner in 2011, three years after originally planned, as well as the first commercial flight of Airbus' superjumbo, the A380, in 2007. It also describes the companies' current endeavors in 2011,... View Details
- October 2019
- Supplement
Airbus vs. Boeing (I): Airbus Introduces the A350 (2015)
By: Ramon Casadesus-Masanell and Karen Elterman
This case describes the introduction of Airbus’ A350XWB (Xtra Wide Body) in 2015. It also describes Airbus and Boeing’s current endeavors in 2015, including Airbus’ development of the A330neo (new engine option) , Boeing’s work on the 737 MAX, and Boeing’s announcement... View Details
- October 2019
- Supplement
Airbus vs. Boeing (J): New Plane Developments (2016)
By: Ramon Casadesus-Masanell and Karen Elterman
This case describes Airbus and Boeing developments in 2016, including Airbus' delivery of the first A320neo (new engine option) and Boeing’s work on the 737 MAX and 777X programs. It also notes Airbus’ restructuring in 2016. View Details
- October 2019 (Revised October 2019)
- Case
Epic Games
By: Andy Wu and Christopher Zhang
Epic Games entered a stagnant market with its PC-games digital storefront in 2018, in the context of incumbent competitors such as Steam, its meteoric rise via Fortnite, and imminent industry shifts in gaming distribution. On the surface, Epic Games Store’s competitive... View Details
- October 2019 (Revised January 2020)
- Background Note
Evolution of the Drone Industry
By: Rory McDonald, Andy Wu, Emilie Billaud and Ryan Bayer
This note focuses on the development of the drone industry in recent years and provides insights on the drone technology, regulations, applications, market size, top players, and ecosystem. This note was written in conjunction with the case study “Parrot: Navigating... View Details
- October 2019 (Revised February 2020)
- Case
Thermax—Changing of the Guard
By: Christina R. Wing and Inakshi Sobti
Thermax is an engineering company in India that provides integrated solutions in energy, environment, and chemicals. The Aga family along with family trusts owns 62% of the company. Post a restructuring exercise in 2000, Thermax transforms itself from a small family... View Details
- September 2019 (Revised August 2020)
- Case
Engineering an Inclusive Bioeconomy
By: Tarun Khanna, Raffaella Sadun and Susie L. Ma
In 2019, entrepreneur Juan Carlos Castilla-Rubio was developing a project he hoped could generate and share wealth from the natural resources of the Amazon without destroying those resources. His idea, called Earth Bank of Codes (EBC), would create a library of the... View Details
Keywords: Decision Making; Development Economics; Entrepreneurship; Innovation and Invention; Intellectual Property; Emerging Markets; Market Design; Marketplace Matching; Science; Genetics; Natural Environment; Environmental Sustainability; Climate Change; Social Enterprise; Strategy; Strategic Planning; Information Technology; Ownership; Social Psychology; Trust; Society; Biotechnology Industry; South America; Amazon Basin
- September 2019
- Case
Engineering Company Culture at Zaimella Ecuador
By: Francesca Gino, Gary Pisano and Mariana Cal
- September 2019 (Revised May 2020)
- Supplement
Keroche (F): Future Growth Plans
By: Ramon Casadesus-Masanell and Pippa Tubman Armerding
This case describes Keroche co-founder Tabitha Karanja’s 2012 decision to invest in additional production capacity. In November 2012, with a loan from Barclay’s bank, Keroche began constructing a new state-of-the-art beer brewery using German technology. The new plant,... View Details
Keywords: Keroche; Alcohol; Aloholic Beverages; Beer; Production Capacity; Growth; Business Ventures; Business Exit or Shutdown; Business Growth and Maturation; Business Startups; Small Business; Family Business; Crime and Corruption; Customer Focus and Relationships; Decisions; Income; Demographics; Geographic Scope; Geographic Location; Goods and Commodities; Government Legislation; Growth and Development; Business History; Lawsuits and Litigation; Laws and Statutes; Lawfulness; Goals and Objectives; Consumer Behavior; Market Entry and Exit; Problems and Challenges; Safety; Social Issues; Poverty; Strategy; Competition; Entrepreneurship; Food and Beverage Industry; Food and Beverage Industry; Kenya; Nairobi; Africa
- September 2019 (Revised June 2020)
- Case
2U: Higher Education Rewired
By: Yael Grushka-Cockayne and Karim R. Lakhani
In its 2019 Partner Symposium, 2U, an online program management provider (OPM), showcased its new vision: “Career. Curriculum. Continuum. A construct for lifelong learning in the 21st century.” 2U, founded in 2008 and went public in 2014, was looking to expand beyond... View Details
- 2019
- Working Paper
Decarbonization Factors
By: Alex Cheema-Fox, Bridget LaPerla, George Serafeim, David Turkington and Hui (Stacie) Wang
In the face of accelerating climate change, investors are making capital allocations seeking to decarbonize portfolios by reducing the carbon emissions of their holdings. To understand the performance of portfolio decarbonization strategies and investor behavior... View Details
- September 2019
- Article
Optimizing Reserves in School Choice: A Dynamic Programming Approach
By: Franklyn Wang, Ravi Jagadeesan and Scott Duke Kominers
We introduce a new model of school choice with reserves in which a social planner is constrained by a limited supply of reserve seats and tries to find an optimal matching according to a social welfare function. We construct the optimal distribution of reserves via a... View Details