Publications
Publications
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- All HBS Web
(1,014)
- Faculty Publications (211)
- 2021
- Article
Fair Algorithms for Infinite and Contextual Bandits
By: Matthew Joseph, Michael J Kearns, Jamie Morgenstern, Seth Neel and Aaron Leon Roth
We study fairness in linear bandit problems. Starting from the notion of meritocratic fairness introduced in Joseph et al. [2016], we carry out a more refined analysis of a more general problem, achieving better performance guarantees with fewer modelling assumptions... View Details
- 2020
- Working Paper
Prioritarianism and Optimal Taxation
By: Matti Tuomala and Matthew C. Weinzierl
Prioritarianism has been at the center of the formal approach to optimal tax theory since its modern starting point in Mirrlees (1971), but most theorists’ use of it is motivated by tractability rather than explicit normative reasoning. We characterize analytically and... View Details
Keywords: Prioritarianism; Optimal Taxation; Utilitarianism; Redistribution; Inverse-optimum; Taxation; Theory
- August 2020 (Revised June 2021)
- Case
Just Arrived: Integrating Refugees in Sweden
By: Brian Trelstad, Emilie Billaud and Mette Fuglsang Hjortshoej
Just Arrived is an online platform that matches newly-arrived immigrants in Sweden with employment opportunities. As one of several for-profit and non-profit start-ups in Europe that is looking to address the refugee crisis, the case enables a comparative analysis of... View Details
- March 2020
- Case
Forbidden City: Launching a Craft Beer in China
By: Christopher A. Bartlett and Carole Carlson
This case describes a difficult choice faced by Victor Wang, Managing Director of Singapore-based Eurasian Brewing Company (EBC), concerning the competing product launch plans of Le Jie, Vice President of EBC's China and East Asian operations, and Vivian Chin, EBC's... View Details
- February 2020
- Article
Being 'Good' or 'Good Enough': Prosocial Risk and the Structure of Moral Self-regard
By: Julian Zlatev, Daniella M. Kupor, Kristin Laurin and Dale T. Miller
The motivation to feel moral powerfully guides people’s prosocial behavior. We propose that people’s efforts to preserve their moral self-regard conform to a moral threshold model. This model predicts that people are primarily concerned with whether their... View Details
- 2021
- Working Paper
Impact Investing: A Theory of Financing Social Enterprises
By: Benjamin N. Roth
I present a model of financing social enterprises to delineate the role of impact investors relative to “pure” philanthropists. I characterize the optimal scale and structure of a social enterprise when financed by grants, and when financed by investments. Impact... View Details
- 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
- 2021
- Working Paper
Recovering Investor Expectations from Demand for Index Funds
By: Mark Egan, Alexander J. MacKay and Hanbin Yang
We use a revealed-preference approach to estimate investor expectations of stock market returns. Using data on demand for index funds that follow the S&P 500, we develop and estimate a model of investor choice to flexibly recover the time-varying distribution of... View Details
- 2020
- Working Paper
Cutting the Gordian Knot of Employee Health Care Benefits and Costs: A Corporate Model Built on Employee Choice
By: Regina E. Herzlinger and Barak D. Richman
The U.S. employer-based health insurance tax exclusion created a system of employer-sponsored insurance (ESI) with limited insurance choices and transparency that may lock employed households into health plans that are costlier or different from those they prefer to... View Details
- October 2019
- Case
Agility Africa
By: Juan Alcacer, Caroline M. Elkins and Esel Çekin
This case illustrates the challenge and opportunities that firms face when developing and executing new business models in high-risk, low-infrastructure, low-trust countries. It features a global logistics group, Agility, that aimed to become the leader in supplying... View Details
- October 2019 (Revised January 2020)
- Case
Dulcie Madden (A)—Growth or Exit?
By: Shikhar Ghosh, Christopher Payton and Shweta Bagai
This is part of a three-case series that follows Dulcie Madden's journey as a founder over five years. Case (A) is about managing growth and cash flow; Case (B) is about the exit decision and conditions on a sale; Case (C) shows Madden dealing with adversity and the... View Details
Keywords: Entrepreneurial Management; Family; Family Conflicts; Founders' Agreements; Growth And Development; Hardware; VC; Scaling; Start-up; Female Ceo; Risk Assessment; Entrepreneurship; Growth Management; Equity; Cash Flow; Success; Failure; Acquisition; Business Model; Information Technology; Valuation; Family and Family Relationships; Information Infrastructure; Apparel and Accessories Industry; Technology Industry; United States
- October 2019 (Revised January 2020)
- Supplement
Dulcie Madden (B)—A Difficult Choice
By: Shikhar Ghosh and Shweta Bagai
This is part of a three-case series that follows Dulcie Madden's journey as a founder over five years. Case (A) is about managing growth and cash flow; Case (B) is about the exit decision and conditions on a sale; Case (C) shows Madden dealing with adversity and the... View Details
Keywords: Entrepreneurial Management; Family; Family Conflicts; Founders' Agreements; Growth And Development; Hardware; VC; Scaling; Start-up; Female Ceo; Risk Assessment; Entrepreneurship; Growth Management; Cash Flow; Equity; Success; Failure; Acquisition; Business Model; Information Technology; Valuation; Family and Family Relationships; Information Infrastructure
- October 2019 (Revised January 2020)
- Supplement
Dulcie Madden (C)—A Final Chance?
By: Shikhar Ghosh and Shweta Bagai
This is part of a three-case series that follows Dulcie Madden's journey as a founder over five years. Case (A) is about managing growth and cash flow; Case (B) is about the exit decision and conditions on a sale; Case (C) shows Madden dealing with adversity and the... View Details
Keywords: Entrepreneurship; Growth Management; Cash Flow; Success; Failure; Acquisition; Business Model; Technology
- 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
- 2021
- Working Paper
The Value of Intermediation in the Stock Market
By: Marco Di Maggio, Mark Egan and Francesco Franzoni
We estimate a structural model of broker choice to quantitatively decompose the value that institutional investors attach to broker services. Studying over 300 million institutional equity trades, we find that investors are sensitive to both explicit and implicit... View Details
- June 2019
- Article
Social Risk, Fiscal Risk, and the Portfolio of Government Programs
We develop a model of government portfolio choice in which a benevolent government chooses the scale of risky projects in the presence of market failures and tax distortions. These two frictions generate motives to manage social risk and fiscal risk. Social risk... View Details
- 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
- March 2019
- Case
HOPI: Turkey's Shopping Companion
By: Sunil Gupta, Donald Ngwe and Gamze Yucaoglu
The case opens in 2017 as Onur Erbay, CEO of HOPI, a multi-vendor loyalty platform, is contemplating a critical decision. The case chronicles the origins of Boyner Group, the parent company of HOPI and a major retailer in Turkey, and development of retail and customer... View Details
Keywords: Loyalty Programs; Multi-vendor Platform; Retail; Big Data; Customer Relationship Management; Mobile and Wireless Technology; Business Model; Analytics and Data Science; Competitive Strategy; Decision Making; Applications and Software; Digital Platforms; Technology Industry; Retail Industry; Turkey
- March 2019 (Revised March 2020)
- Case
Choosing the Right Esports Business Model
By: David Collis and Alexander MacKay
Two esports entrepreneurs must choose on which business model to focus their time and money. After successfully launching an online esports coaching platform, a number of new opportunities emerge in the rapidly growing esports space that now has close to one billion... View Details
Keywords: Entrepreneurial Ecosystems; Business Development; Esports; Business Ventures; Entrepreneurship; Business Model; Management; Strategy; Sports; Entertainment and Recreation Industry; Information Technology Industry; Media and Broadcasting Industry; Sports Industry; Video Game Industry; North and Central America; Europe; Asia
- 2019
- Working Paper
Relative Performance Transparency: Effects on Sustainable Choices
By: Ryan W. Buell, Shwetha Mariadassou and Yanchong Zheng
We study how transparency into the levels and changes of relative sustainability performance affects consumer choices. Our work considers two forms of transparency: process transparency, in which customers receive information about the company's sustainability... View Details