Publications
Publications
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- All HBS Web
(2,235)
- Faculty Publications (585)
- 2020
- Article
Mutual Funds: Skill and Performance
By: Jonathan B. Berk, Jules van Binsbergen and Max Miller
The authors summarize the recent literature on mutual fund manager skill and performance. They discuss the latest contributions in the field and reinterpret them through the lens of the rational expectations framework (efficient market hypothesis). They further discuss... View Details
- Article
A Theories-in-Use Approach to Building Marketing Theory
By: G. Zaltman, Valarie A. Zeithaml, Bernard Jaworski, Ajay K. Kohli, Kapil R. Tuli and Wolfgang Ulaga
This article’s objective is to inspire and provide guidance on the development of marketing knowledge based on the theories-in-use (TIU) approach. The authors begin with a description of the TIU approach and compare it with other inductive and deductive research... View Details
- 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 (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
- 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
- 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; Manufacturing 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
- August 2019
- Case
Twiggle: E-commerce with Semantic Search
By: Shane Greenstein and Danielle Golan
Four years after being founded, in 2014, by former Google executives Amir Konigsberg (CEO) and Adi Avidor (CTO), Twiggle had developed a search enhancement that plugged into an online merchant’s existing framework. The company utilized advanced structuring and... View Details
- July 2019
- Case
Bjarke Ingels Group
By: Boris Groysberg and Aldo Sesia
Danish-born Bjarke Ingels is regarded as a giant in the field of architecture. He started his firm—the Bjarke Ingels Group (BIG)—in 2005 in Copenhagen. Fourteen years later, the firm has additional offices in New York City, London, and Barcelona and employs over 500... View Details
Keywords: Buildings and Facilities; Design; Growth Management; Leadership; Organizational Culture; Talent and Talent Management; Urban Development; Organizational Change and Adaptation; Construction Industry; Construction Industry; Construction Industry; Denmark; Spain; United Kingdom; United States; New York (city, NY)
- April 2019
- Article
Internalizing Global Value Chains: A Firm-Level Analysis
By: Laura Alfaro, Pol Antràs, Davin Chor and Paola Conconi
In recent decades, advances in information and communication technology and falling trade barriers have led firms to retain within their boundaries and in their domestic economies only a subset of their production stages. A key decision facing firms worldwide is the... View Details
- 2019
- Chapter
Location Fundamentals, Agglomeration Economies, and the Geography of Multinational Firms
By: Laura Alfaro and Maggie Xiaoyang Chen
Multinationals exhibit distinct agglomeration patterns, which have transformed the global landscape of industrial production (Alfaro and Chen, 2014). Using a unique worldwide plant-level dataset that reports detailed location, ownership, and operation information for... View Details
- February 2019
- Article
Pettiness in Social Exchange
By: Tami Kim, Ting Zhang and Michael I. Norton
We identify and document a novel construct—pettiness, or intentional attentiveness to trivial details—and examine its (negative) implications in interpersonal relationships and social exchange. Seven studies show that pettiness manifests across different types of... View Details
- February 2019
- Article
The Market for Financial Adviser Misconduct
By: Mark Egan, Gregor Matvos and Amit Seru
We construct a novel database containing the universe of financial advisers in the United States from 2005 to 2015, representing approximately 10% of employment of the finance and insurance sector. We provide the first large-scale study that documents the economy-wide... View Details
- January 2019 (Revised January 2022)
- Case
Chinese Infrastructure Investments in Sri Lanka: A Pearl or a Teardrop on the Belt and Road?
By: Meg Rithmire and Yihao Li
In 2015, a surprise presidential election result seemed to imperil Chinese investments in Sri Lanka, which were associated with China’s Belt and Road Initiative to build global infrastructure. In the previous decade, China had undertaken two major projects in the... View Details
- January 2019 (Revised February 2020)
- Case
Should a Pension Fund Try to Change the World? Inside GPIF's Embrace of ESG
By: George Serafeim
In the fall of 2018, Hiro Mizuno, the Chief Investment Officer (CIO) of GPIF, the Japanese Government Pension Fund, was reflecting on his efforts to integrate Environmental, Social and Governance (ESG) issues into every aspect of GPIF’s portfolio. His efforts ranged... View Details
- 2019
- Working Paper
Does Public Ownership and Accountability Increase Diversity? Evidence from IPOs
By: Rembrand Koning and John-Paul Ferguson
Does public ownership improve employment diversity? Organizational researchers theorize that increased transparency to regulators and the public should lead firms to conform to legal and social norms—but that social closure and decoupling should preserve the status... View Details
Keywords: IPO; Initial Public Offering; Employees; Diversity; Gender; Race; Entrepreneurship; United States