Publications
Publications
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- All HBS Web
(2,864)
- Faculty Publications (396)
- 2022
- Working Paper
Stock Market Stimulus
By: Robin Greenwood, Toomas Laarits and Jeffrey Wurgler
We study the stock market effects of the arrival of the three rounds of “stimulus checks” to U.S. taxpayers and the single round of direct payments to Hong Kong citizens. The first two rounds of U.S. checks appear to have increased retail buying and share prices of... View Details
Keywords: Stock Market; COVID-19 Pandemic; Fiscal Stimulus; Stimulus Payments; Impact; Stocks; System Shocks; Price; Spending; United States; Hong Kong; China
- March 2022
- Article
Estimating the Effectiveness of Permanent Price Reductions for Competing Products Using Multivariate Bayesian Structural Time Series Models
By: Fiammetta Menchetti and Iavor Bojinov
Researchers regularly use synthetic control methods for estimating causal effects when a sub-set of units receive a single persistent treatment, and the rest are unaffected by the change. In many applications, however, units not assigned to treatment are nevertheless... View Details
- February 2022
- Case
NFX Capital and Moov Technologies
By: Scott Duke Kominers and Nicole Tempest Keller
In July 2019, James Currier, a general partner at San Francisco-based NFX Ventures, was considering a seed stage investment of $1.5 million in Moov Technologies, a B2B marketplace for used industrial equipment. NFX was a venture capital firm focused on seed-stage... View Details
- January 2022
- Teaching Plan
Just Arrived: Integrating Refugees in Sweden
By: Brian Trelstad and Emilie Billaud
Teaching Plan for HBS Case No. 321-040. 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... View Details
- December 2021
- Article
Cash-for-Information Whistleblower Programs: Effects on Whistleblowing and Consequences for Whistleblowers
By: Aiyesha Dey, Jonas Heese and Gerardo Pérez Cavazos
We study the effect of financial incentives on whistleblowing and the consequences for whistleblowers under the cash-for-information program of the False Claims Act (FCA). Exploiting appeals-court decisions that increase financial incentives for whistleblowing, we find... View Details
- 2021
- Chapter
Generating Social Entrepreneurship Knowledge: International Research Collaboration on a Hemispheric Level
By: James E. Austin, Gabriel Berger, Rosa Amelia González, Roberto Gutiérrez, Iván D. Lobo and Alfred Vernis
Provide insights on how social entrepreneurship (SE) knowledge can be more effectively generated by universities through the entrepreneurial creation and effective management of a knowledge network centered on international collaborative research; illuminate how one... View Details
- November 2021 (Revised January 2022)
- Case
Scott Tucker (A): Race to the Top
By: Aiyesha Dey and Amram Migdal
The case tells the story of the rise and fall of Scott Tucker, an entrepreneur, businessman, passionate race car driver, competitor, and owner of a professional racing team. From 1997 to 2012, Tucker built a nationwide network of payday lending businesses, becoming a... View Details
- November 2021 (Revised January 2022)
- Supplement
Scott Tucker (B): The Feds Catch Up
By: Aiyesha Dey and Amram Migdal
The case tells the story of the rise and fall of Scott Tucker, an entrepreneur, businessman, passionate race car driver, competitor, and owner of a professional racing team. From 1997 to 2012, Tucker built a nationwide network of payday lending businesses, becoming a... View Details
- November 2021
- Supplement
Ant Group (B)
By: Krishna G. Palepu, Feng Zhu and Susie L. Ma
- 2021
- Working Paper
Friends and Family Money: P2P Transfers and Financially Fragile Consumers
By: Tetyana Balyuk and Emily Williams
We assess the impact that real time money transfer technology has on consumer outcomes, particularly during periods of financial fragility. We do this by developing a new data set that documents use of Zelle—the most widely used P2P money transfer technology in the... View Details
- November 2021
- Article
Ratings, Reviews, and the Marketing of New Products
By: Itay P. Fainmesser, Dominique Olié Lauga and Elie Ofek
We study how user-generated content (UGC) about new products impacts a firm's advertising and pricing decisions and the effect on profits and market dynamics. We construct a two-period model where consumers value quality and are heterogeneous in their taste for the new... View Details
- November 2021
- Article
Strict ID Laws Don't Stop Voters: Evidence from a U.S. Nationwide Panel, 2008–2018
By: Enrico Cantoni and Vincent Pons
U.S. states increasingly require identification to vote—an ostensive attempt to deter fraud that prompts complaints of selective disenfranchisement. Using a difference-in-differences design on a 1.6-billion-observations panel dataset, 2008–2018, we find that the laws... View Details
- October 19, 2021
- Article
The Facebook Trap
By: Andy Wu
Facebook has a clear mission: Connect everyone in the world. Clarity is good, but in Facebook’s case, it has also put the company in a bind because the mission—and the company’s vision for creating value through network effects—has also become the source of its biggest... View Details
- October 2021 (Revised February 2023)
- Case
Ant Group (A)
By: Krishna G. Palepu, Feng Zhu, Susie L. Ma and Kerry Herman
In 2004, Chinese e-commerce company Alibaba created Alipay, an app to facilitate payments on its e-commerce sites. As Alibaba grew, so did Alipay, until Alipay spawned its own ecosystem of financial technology products and services under the name of Ant Group. By 2020,... View Details
- October 2021 (Revised May 2023)
- Case
Project Maji: Pricing Water in Sub-Saharan Africa
By: Elie Ofek, Marco Bertini, Dilyana Karadzhova Botha and Esel Çekin
In July 2021, Sunil Lalvani, founder and CEO of Project Maji, a non-profit social enterprise headquartered in Dubai that had already provided sustainable, clean water solutions to 80,000 people living in rural communities across Ghana and Kenya, was facing an important... View Details
- September 2021
- Article
Network Interconnectivity and Entry into Platform Markets
By: Feng Zhu, Xinxin Li, Ehsan Valavi and Marco Iansiti
Digital technologies have led to the emergence of many platforms in our economy today. In certain platform networks, buyers in one market purchase services from providers in many other markets, whereas in others, buyers primarily purchase services from providers within... View Details
- 2021
- Working Paper
The Value of Data and Its Impact on Competition
By: Marco Iansiti
Common regulatory perspective on the relationship between data, value, and competition in online platforms has increasingly centered on the volume of data accumulated by incumbent firms. This view posits the existence of "data network effects," where more data leads to... View Details
- July 2021
- Article
Outsourcing Tasks Online: Matching Supply and Demand on Peer-to-Peer Internet Platforms
By: Zoë Cullen and Chiara Farronato
We study the growth of online peer-to-peer markets. Using data from TaskRabbit, an expanding marketplace for domestic tasks at the time of our study, we show that growth varies considerably across cities. To disentangle the potential drivers of growth, we look... View Details
- Article
Birds of a Feather...Enforce Social Norms? Interactions Among Culture, Norms, and Strategy
By: Hongyi Li and Eric J. Van den Steen
Does culture eat strategy for breakfast? This paper investigates the interactions among corporate culture, norms, and strategy, in order to better understand this issue and related questions. It first shows, through microfoundations, how the forces that drive toward... View Details
- June 2021
- Article
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