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All HBS Web
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- Faculty Publications (236)
- 2020
- Working Paper
Dog Eat Dog: Balancing Network Effects and Differentiation in a Digital Platform Merger
By: Chiara Farronato, Jessica Fong and Andrey Fradkin
Digital platforms are increasingly the subject of regulatory scrutiny. In comparison to multiple competitors, a single platform may increase consumer welfare if network effects are large or may decrease welfare due to higher prices or reduction in platform variety. We...
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Keywords:
Platform Differentiation;
Digital Platforms;
Network Effects;
Measurement and Metrics;
Mergers and Acquisitions;
Outcome or Result
Farronato, Chiara, Jessica Fong, and Andrey Fradkin. "Dog Eat Dog: Balancing Network Effects and Differentiation in a Digital Platform Merger." NBER Working Paper Series, No. 28047, November 2020.
- November 19, 2020
- Article
How to Build a Life: Sedentary Pandemic Life Is Bad for Our Happiness
By: Arthur C. Brooks
The times when we most want comfort and rest may paradoxically be the times we most need to move, for the sake of our well-being.
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Brooks, Arthur C. "How to Build a Life: Sedentary Pandemic Life Is Bad for Our Happiness." The Atlantic (November 19, 2020).
- 2020
- Working Paper
Designing, Not Checking, for Policy Robustness: An Example with Optimal Taxation
By: Benjami Lockwood, Afras Y. Sial and Matthew C. Weinzierl
Economists typically check the robustness of their results by comparing them across plausible ranges of parameter values and model structures. A preferable approach to robustness—for the purposes of policymaking and evaluation—is to design policy that takes these...
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Lockwood, Benjami, Afras Y. Sial, and Matthew C. Weinzierl. "Designing, Not Checking, for Policy Robustness: An Example with Optimal Taxation." NBER Working Paper Series, No. 28098, November 2020.
- Article
Returnable Reciprocity: Returnable Gifts Are More Effective than Unreturnable Gifts at Promoting Virtuous Behaviors
By: J.J. Zlatev and Rogers, T.
Increasing virtuous behaviors, such as initiating healthy habits, is an important goal for policymakers and social scientists. To promote compliance with requests to perform virtuous behaviors, we study “returnable reciprocity.” Whereas traditional reciprocity involves...
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Keywords:
Nudges;
Reciprocity;
Want-should Conflicts;
Wellness;
Health;
Behavior;
Change;
Well-being
Zlatev, J.J., and Rogers, T. "Returnable Reciprocity: Returnable Gifts Are More Effective than Unreturnable Gifts at Promoting Virtuous Behaviors." Organizational Behavior and Human Decision Processes 161, Supplement (November 2020): 74–84.
- October 2020 (Revised March 2022)
- Case
The What Works Centre: Using Behavioral Science to Improve Social Worker Well-being (A)
By: Ashley V. Whillans and Shibeal O'Flaherty
This case describes the experiences of Michael Sanders—the Chief Executive of the What Works Center for Children’s Social Care—as he led the design and implementation of a program of research aimed at improving the social care system in the United Kingdom (UK) at the...
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Keywords:
Non-cash Compensation;
Behavioral Science;
Employees;
Welfare;
Compensation and Benefits;
Well-being;
United Kingdom
Whillans, Ashley V., and Shibeal O'Flaherty. "The What Works Centre: Using Behavioral Science to Improve Social Worker Well-being (A)." Harvard Business School Case 921-020, October 2020. (Revised March 2022.)
- August 2020 (Revised May 2021)
- Case
PayPal: The Next Chapter
By: Michael Porter, Mark Kramer and Annelena Lobb
Can a social purpose and stakeholder capitalism confer a powerful competitive advantage in the age of COVID-19? For PayPal, the answer is yes. After spinning off from eBay in a 2015 IPO, the company declared its purpose as "democratizing financial services" by ensuring...
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Keywords:
Mission and Purpose;
Finance;
Business and Stakeholder Relations;
Social Entrepreneurship;
Competitive Advantage;
Financial Services Industry
Porter, Michael, Mark Kramer, and Annelena Lobb. "PayPal: The Next Chapter." Harvard Business School Case 721-378, August 2020. (Revised May 2021.)
- Summer 2020
- Article
Venture Capital's Role in Financing Innovation: What We Know and How Much We Still Need to Learn
By: Josh Lerner and Ramana Nanda
Venture capital is associated with some of the most high-growth and influential firms in the world. Academics and practitioners have effectively articulated the strengths of the venture model. At the same time, venture capital financing also has real limitations in its...
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Lerner, Josh, and Ramana Nanda. "Venture Capital's Role in Financing Innovation: What We Know and How Much We Still Need to Learn." Journal of Economic Perspectives 34, no. 3 (Summer 2020): 237–261.
- June 2020
- Article
Frenemies in Platform Markets: Heterogeneous Profit Foci as Drivers of Compatibility Decisions
By: Ron Adner, Jianqing Chen and Feng Zhu
We study compatibility decisions of two competing platform owners that generate profits through both hardware sales and royalties from content sales. We consider a game-theoretic model in which two platforms offer different standalone utilities to users. We find that...
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Keywords:
Compatibility;
Platform Competition;
Profit Foci;
Digital Platforms;
Competition;
Profit;
Decision Making
Adner, Ron, Jianqing Chen, and Feng Zhu. "Frenemies in Platform Markets: Heterogeneous Profit Foci as Drivers of Compatibility Decisions." Management Science 66, no. 6 (June 2020): 2432–2451.
- 2023
- Working Paper
The Seeds of Ideology: Historical Immigration and Political Preferences in the United States
By: Paola Giuliano and Marco Tabellini
We study the long run effects of immigration on American political ideology. Exploiting cross-county variation in the presence of European immigrants between 1900 and 1930, we establish a novel result: historical European immigration is associated with stronger...
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Keywords:
Political Ideology;
Preferences For Redistribution;
Cultural Transmission;
Immigration;
History;
Values and Beliefs;
Welfare;
United States
Giuliano, Paola, and Marco Tabellini. "The Seeds of Ideology: Historical Immigration and Political Preferences in the United States." Harvard Business School Working Paper, No. 20-118, May 2020. (Revised June 2023. Revise and resubmit at the Journal of the European Economic Association. Available also from VOX, UCLA Anderson Review, Weekendavisen, Cato Institute, Luxembourg Institute of Socio-Economic Research (LISER), World Financial Review, and Newsweek.)
- 2023
- Working Paper
No Free Lunch? Welfare Analysis of Firms Selling Through Expert Intermediaries
By: Kyle Myers, Matt Grennan, Ashley Swanson and Aaron K. Chatterji
- February 2020 (Revised June 2020)
- Case
From Cradle to Heaven: Taikang Insurance Group
By: William C. Kirby, Shu Lin, John P. McHugh and Yuanzhuo Wang
Taikang Insurance Group was a leading Chinese insurance and financial services institution. It operated in the insurance, asset management, and health and senior care industries. Due to China’s underdeveloped social welfare state, Taikang saw an opportunity for the...
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Kirby, William C., Shu Lin, John P. McHugh, and Yuanzhuo Wang. "From Cradle to Heaven: Taikang Insurance Group." Harvard Business School Case 320-088, February 2020. (Revised June 2020.)
- 2021
- Working Paper
Status and Mortality: Is There a Whitehall Effect in the United States?
By: Tom Nicholas
The influential Whitehall studies found top-ranking civil servants in Britain experienced lower
mortality than civil servants below them in the organizational hierarchy. I test for a Whitehall
effect in the lifespan of a 1930 cohort of white collar employees at a...
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Keywords:
Mortality;
Status;
Socioeconomic Determinants Of Health;
Employees;
Status and Position;
Health
Nicholas, Tom. "Status and Mortality: Is There a Whitehall Effect in the United States?" Harvard Business School Working Paper, No. 20-074, January 2020. (Revised June 2022.)
- January 27, 2020
- Article
Food-Stamp Work Requirements Just Look Cruel
The rule doesn’t help beneficiaries find the steady employment that doesn’t exist.
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Kominers, Scott Duke. "Food-Stamp Work Requirements Just Look Cruel." Bloomberg Opinion (January 27, 2020).
- November 19, 2019
- Article
The Unexpected Benefits of Pursuing a Passion Outside of Work
By: Jon M. Jachimowicz, Joyce He and Julian Arango
We are often told to pursue work we’re passionate about. But, for many people, this simply isn’t feasible. Not every job affords the possibility of doing what you love. And people care deeply about many different things—not all of which will be how they want to earn a...
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Jachimowicz, Jon M., Joyce He, and Julian Arango. "The Unexpected Benefits of Pursuing a Passion Outside of Work." Harvard Business Review (website) (November 19, 2019).
- 2019
- Working Paper
Undisclosed Debt Sustainability
By: Laura Alfaro and Fabio Kanczuk
Over the past decade, non–Paris Club creditors, notably China, have become an important source of financing for low- and middle-income countries. In contrast with typical sovereign debt, these lending arrangements are not public, and other creditors have no information...
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Keywords:
Sovereign Debt;
Transparency;
Sustainability;
Sovereign Finance;
Borrowing and Debt;
Information;
China
Alfaro, Laura, and Fabio Kanczuk. "Undisclosed Debt Sustainability." Harvard Business School Working Paper, No. 20-043, September 2019.
- 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...
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Wang, Franklyn, Ravi Jagadeesan, and Scott Duke Kominers. "Optimizing Reserves in School Choice: A Dynamic Programming Approach." Operations Research Letters 47, no. 5 (September 2019): 438–446.
- May 2019
- Teaching Note
Universal Basic Income, Job Guarantees, or None of the Above?
By: William R. Kerr and Jordan Bach-Lombardo
Teaching Note for HBS No. 819-035.
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Keywords:
UBI;
Job Guarantee;
Public Policy;
EITC;
Employment;
Labor;
Social Issues;
Income;
Governance;
Policy;
Welfare
- Article
Making Seconds Count: When Valuing Time Promotes Subjective Well-being
By: Alice Lee-Yoon and A.V. Whillans
Time is a finite and precious resource, and the way that we value our time can critically shape happiness. In this article, we present a conceptual framework to explain when valuing time can enhance vs. undermine well-being. Specifically, we review the emotional...
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Lee-Yoon, Alice, and A.V. Whillans. "Making Seconds Count: When Valuing Time Promotes Subjective Well-being." Current Opinion in Psychology 26 (April 2019): 54–57.
- February 2019 (Revised May 2019)
- Case
Hot Chicken Takeover
By: William R. Kerr, Manjari Raman and Olivia Hull
By December 2018, entrepreneur Joe DeLoss’s fried chicken company, Hot Chicken Takeover, has opened three restaurants in Columbus, Ohio, using an unconventional employment model that helps people with criminal records get back on their feet. DeLoss is proud of the...
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Keywords:
Fair Chance Employment;
Fair Chance Hiring;
Open Hiring;
Inclusive Hiring;
Criminal Record;
Homelessness;
Therapeutic Employment;
Corporate Culture;
Managing The Future Of Work;
Food;
Entrepreneurship;
Social Entrepreneurship;
Values and Beliefs;
Fairness;
Human Resources;
Compensation and Benefits;
Recruitment;
Employees;
Retention;
Selection and Staffing;
Innovation Strategy;
Job Offer;
Job Interviews;
Human Capital;
Leadership;
Growth Management;
Corporate Social Responsibility and Impact;
Mission and Purpose;
Social Enterprise;
Social Issues;
Poverty;
Welfare;
Food and Beverage Industry;
Ohio;
United States
Kerr, William R., Manjari Raman, and Olivia Hull. "Hot Chicken Takeover." Harvard Business School Case 819-078, February 2019. (Revised May 2019.)
- 2019
- Article
Preferences for Experienced Versus Remembered Happiness
By: Cassie Mogilner and Michael I. Norton
Consider two types of happiness: one experienced on a moment-to-moment basis, the other a reflective evaluation where people feel happy looking back. Though researchers have measured and argued the merits of each, we inquired into which happiness people say they want....
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Keywords:
Well-being;
Life Satisfaction;
Experience;
Retrospective;
Time;
Happiness;
Satisfaction;
Welfare;
Perception
Mogilner, Cassie, and Michael I. Norton. "Preferences for Experienced Versus Remembered Happiness." Journal of Positive Psychology 14, no. 2 (2019): 244–251.