Publications
Publications
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- All HBS Web
(3,126)
- Faculty Publications (658)
- 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... View Details
- November 2020
- Article
Migrant Inventors and the Technological Advantage of Nations
By: Dany Bahar, Prithwiraj Choudhury and Hillel Rapoport
We investigate the relationship between the presence of migrant inventors and the dynamics of innovation in the migrants’ receiving countries. We find that countries are 25 to 60 percent more likely to gain advantage in patenting in certain technologies given a twofold... View Details
- November–December 2020
- Article
The Risks You Can't Foresee: What to Do When There's No Playbook
By: Robert S. Kaplan, Herman B. Leonard and Anette Mikes
No matter how good their risk management systems are, companies can’t plan for everything. Some risks are outside people’s realm of experience or so remote no one could have imagined them. Some result from a perfect storm of coinciding breakdowns, and some materialize... View Details
- October 2020 (Revised March 2024)
- Case
Experimentation at Yelp
By: Iavor Bojinov and Karim R. Lakhani
Over the last decade, experimentation has become integral to the research and development processes of technology companies—including Yelp—for understanding customer preferences and mitigating innovation risks. The case describes Yelp's journey with experimentation,... View Details
- October 2020
- Article
Collusion in Markets with Syndication
By: John William Hatfield, Scott Duke Kominers, Richard Lowery and Jordan M. Barry
Markets for IPOs and debt issuances are syndicated, in the sense that a bidder who wins a contract may invite losing bidders to join a syndicate that together fulfills the contract. We show that in markets with syndication, standard intuitions from industrial... View Details
Keywords: Collusion; Antitrust; IPO Underwriting; Syndication; ＂Repeated Games＂; Markets; Game Theory
- September 2020 (Revised October 2020)
- Case
Briscola—Pizza Society: Scaling Affordable Luxury
By: Gary P. Pisano and Federica Gabrieli
Riccardo Cortese and Federico Pinna were the CEOs of Briscola—Pizza Society, a restaurant chain they had founded in 2014 with a clear ambition: create a distinctive international pizza chain that would combine a fast-casual format with the devotion to quality that... View Details
- 2020
- Working Paper
Design Rules, Volume 2: How Technology Shapes Organizations: Chapter 6 The Value Structure of Technologies, Part 1: Mapping Functional Relationships
Organizations are formed in a free economy because an individual or group perceives value in carrying out a technical recipe that is beyond the capacity of a single person. Technology specifies what must be done, what resources must be assembled, what actions taken in... View Details
- August 2020
- Article
Does Spending Money on Others Promote Happiness? A Registered Replication Report
By: Lara B. Aknin, Elizabeth W. Dunn, Jason Proulx, Iris Lok and Michael I. Norton
Research indicates that spending money on others—prosocial spending—leads to greater happiness than spending money on oneself (e.g., Dunn, Aknin, & Norton, 2008, 2014). These findings have received widespread attention because they offer insight into why people engage... View Details
- Article
Oracle Efficient Private Non-Convex Optimization
By: Seth Neel, Aaron Leon Roth, Giuseppe Vietri and Zhiwei Steven Wu
One of the most effective algorithms for differentially private learning and optimization is objective perturbation. This technique augments a given optimization problem (e.g. deriving from an ERM problem) with a random linear term, and then exactly solves it.... View Details
- June 2020 (Revised October 2020)
- Case
Muddy Waters vs. eHealth: The Debate of a 'Lifetime'
By: Jonas Heese and Cristo Liautaud
In May 2020, an analyst was assessing eHealth’s performance. eHealth was an online / tele-sales broker of health insurance products. The stock had recently hit all-time highs, closing at a peak of $146 on March 4, 2020. But now, May 4, 2020, eHealth traded at $103. The... View Details
- June 2020 (Revised February 2021)
- Case
Accounting for Leases at American Airlines (A)
By: Jonas Heese, Gerardo Pérez Cavazos and Julia Kelley
In March 2020, as coronavirus reduced demand for air travel, an analyst was forecasting American Airlines’ (American’s) first quarter financial results. To develop a forecast, she needed to familiarize herself with Accounting Standards Update (ASU) 2016-02, “Leases... View Details
Keywords: Accounting; Financial Reporting; Financial Statements; Finance; Governance; Corporate Accountability; Corporate Governance; Governing Rules, Regulations, and Reforms; Governing and Advisory Boards; Leasing; Accounting Industry; Air Transportation Industry; North and Central America; United States
- May 18, 2020
- Other Article
Media Bias? But Not What You Think It Is
The media are often accused of political bias. But news outlets reflect many political beliefs in a fragmented media environment. However, an almost across-the-board bias is how news media talk about digital business, and the pandemic has exacerbated that bias, which... View Details
- May 2020
- Article
Identifying Sources of Inefficiency in Health Care
By: Amitabh Chandra and Douglas O. Staiger
In medicine, the reasons for variation in treatment rates across hospitals serving similar patients are not well understood. Some interpret this variation as unwarranted and push standardization of care as a way of reducing allocative inefficiency. However, an... View Details
- May 2020
- Article
Measuring Collaboration in Modern Organizations
By: Stephen Michael Impink, Andrea Prat and Raffaella Sadun
Internal communication has been a central theme in organizational economics, as employee collaboration provides insight into the structure of firms. Use of electronic communications data can be transformational for organizational economics, as these data provide a... View Details
- Article
The Changing Landscape of Auditors' Liability
By: Colleen Honigsberg, Shivaram Rajgopal and Suraj Srinivasan
We provide a comprehensive overview of shareholder litigation against auditors since the passage of the Private Securities Litigation Reform Act (PSLRA). The number of lawsuits per year has declined, dismissals have increased, and settlements in recent years have... View Details
- 2020
- Working Paper
HBS COVID-19 Global Policy Tracker
By: Alberto Cavallo and Tannya Cai
The HBS COVID-19 Global Policy Tracker is an initiative by the Business, Government and the International Economy (BGIE) unit at Harvard Business School (HBS) to collect and standardize economic policies implemented as a response to the coronavirus pandemic around the... View Details
- Article
The Impact of Penalties for Wrong Answers on the Gender Gap in Test Scores
By: Katherine B. Coffman and David Klinowski
Multiple-choice exams play a critical role in university admissions across the world. A key question is whether imposing penalties for wrong answers on these exams deters guessing from women more than men, disadvantaging female test-takers. We consider data from a... View Details
- March–April 2020
- Article
What's Really Holding Women Back? It's Not What Most People Think
By: R. Ely and Irene Padavic
Ask people to explain why women remain so dramatically underrepresented in the senior ranks of most companies, and you will hear from the vast majority a lament that goes something like this: High-level jobs require extremely long hours, women's devotion to family... View Details
- March 2020
- Article
Which Early Withdrawal Penalty Attracts the Most Deposits to a Commitment Savings Account?
By: John Beshears, James J. Choi, Christopher Harris, David Laibson, Brigitte C. Madrian and Jung Sakong
Previous research has shown that some people voluntarily use commitment contracts that restrict their own choice sets. We study how people divide money between two accounts: a liquid account that permits unrestricted withdrawals and a commitment account that is... View Details
- Article
What We Can Learn from Five Naturalistic Field Experiments That Failed to Shift Commuter Behaviour
By: Ariella S. Kristal and A.V. Whillans
Across five field experiments with employees of a large organization (n = 68,915), we examined whether standard behavioural interventions (“nudges”) successfully reduced single-occupancy vehicle commutes. In Studies 1 and 2, we sent letters and emails with nudges... View Details