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All HBS Web
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- Faculty Publications (707)
- August 2022
- Case
SuperRare: Turning an NFT Marketplace into a DAO
By: Jeffrey J. Bussgang, Scott Duke Kominers and Amy Klopfenstein
In June 2021, John Crain and Jonathan Perkins, the founders of SuperRare, a marketplace for non-fungible tokens (NFTs), contemplate whether to transform their company into a decentralized autonomous organization (DAO). Crain and Perkins founded SuperRare in 2018 to...
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Keywords:
NFTs;
Crypto Economy;
Alternative Assets;
DAOs;
Arts;
Governance;
Governance Controls;
Governing Rules, Regulations, and Reforms;
Information Technology;
Technology Adoption;
Internet and the Web;
Digital Platforms;
Innovation and Invention;
Technological Innovation;
Disruptive Innovation;
Finance;
Currency;
Investment;
Markets;
Auctions;
Bids and Bidding;
Demand and Consumers;
Network Effects;
Market Design;
Market Transactions;
Market Timing;
Web Services Industry;
North and Central America;
United States
Bussgang, Jeffrey J., Scott Duke Kominers, and Amy Klopfenstein. "SuperRare: Turning an NFT Marketplace into a DAO." Harvard Business School Case 823-027, August 2022.
- August 2022
- Article
Availability of New Medicines in the U.S. and Germany From 2004 to 2018
By: Katharina Blankart, Huseyin Naci and Amitabh Chandra
Importance: Germany's unique approach to coverage determination and pricing has ensured that effective medicines remain on the market, often at prices reduced through negotiation. However, less is known about trade-offs of this approach with regard to initial...
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Keywords:
Market Entry and Exit;
Price;
Market Timing;
Governing Rules, Regulations, and Reforms;
Pharmaceutical Industry;
United States;
Germany
Blankart, Katharina, Huseyin Naci, and Amitabh Chandra. "Availability of New Medicines in the U.S. and Germany From 2004 to 2018." e2229231. JAMA Network Open 5, no. 8 (August 2022).
- August, 2022
- Article
Changing Ingroup Boundaries: The Effect of Immigration on Race Relations in the United States
By: Vasiliki Fouka and Marco Tabellini
How do social group boundaries evolve? Does the appearance of a new outgroup change the ingroup's perceptions of other outgroups? We introduce a conceptual framework of context-dependent categorization, in which exposure to one minority leads to recategorization of...
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Keywords:
In-group-out-group Relations;
Ingroup-outgroup Relations;
Immigration;
Race;
Relationships;
United States
Fouka, Vasiliki, and Marco Tabellini. "Changing Ingroup Boundaries: The Effect of Immigration on Race Relations in the United States." American Political Science Review 116, no. 3 (August, 2022): 968–984. (Featured in the Boston Globe, Washington Post, and HBS Working Knowledge.)
- August 2022
- Article
The Bulletproof Glass Effect: Unintended Consequences of Privacy Notices
By: Aaron R. Brough, David A. Norton, Shannon L. Sciarappa and Leslie K. John
Drawing from a content analysis of publicly traded companies’ privacy notices, a survey of managers, a field study, and five online experiments, this research investigates how consumers respond to privacy notices. A privacy notice, by placing legally enforceable limits...
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Keywords:
Choice;
Purchase Intent;
Privacy;
Privacy Notices;
Warnings;
Assurances;
Information Disclosure;
Trust;
Consumer Behavior;
Spending;
Decisions;
Information;
Communication
Brough, Aaron R., David A. Norton, Shannon L. Sciarappa, and Leslie K. John. "The Bulletproof Glass Effect: Unintended Consequences of Privacy Notices." Journal of Marketing Research (JMR) 59, no. 4 (August 2022): 739–754.
- July 2022
- Teaching Note
Arçelik (A), (B): From a Dealer Network to an Omnichannel Experience
By: Ayelet Israeli, Fares Khrais and Menna Hassan
Arçelik Turkey, the country’s market leader in household appliances, was at an omnichannel crossroads in January 2020. Arçelik was a B2B player utilizing a dealership network with an umbrella of brands and had one of the largest brick-and-mortar store networks in...
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Keywords:
Digital Marketing;
Bricks And Mortar;
Franchise Management;
Franchising;
Dealer Network;
Dealers;
B2B;
B2B2C;
Tradition;
Culture Change;
Cultural Adaptation;
Omnichannel;
Omnichannel Retail;
Omni-channel;
Omnichannel Retailing;
Sales Channels;
Sales Channel Development;
Channel Management;
Channels Of Distribution;
Marketplace;
Platforms;
Collaboration;
Online Channel;
Online Data;
Online Sales;
Online Shopping;
Online;
Retail;
Retailing;
Disruption;
Transformation;
Franchise Ownership;
Change Management;
Partners and Partnerships;
Consumer Behavior;
Sales;
Internet and the Web;
Marketing Strategy;
Conflict and Resolution;
Conflict Management;
Organizational Culture;
Distribution Channels;
Digital Transformation;
Electronics Industry;
Retail Industry;
Consumer Products Industry;
Turkey
- 2022
- Working Paper
Banking on Transparency for the Poor: Experimental Evidence from India
By: Erica M. Field, Natalia Rigol, Charity M. Troyer Moore, Rohini Pande and Simone G. Schaner
Do information frictions limit the benefits of financial inclusion drives for the rural poor? We evaluate an experimental intervention among recently banked poor Indian women receiving government cash transfers via direct deposit. Treated women were provided automated...
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Field, Erica M., Natalia Rigol, Charity M. Troyer Moore, Rohini Pande, and Simone G. Schaner. "Banking on Transparency for the Poor: Experimental Evidence from India." NBER Working Paper Series, No. 30289, July 2022.
- 2022
- Working Paper
Innovation on Wings: Nonstop Flights and Firm Innovation in the Global Context
By: Dany Bahar, Prithwiraj Choudhury, Do Yoon Kim and Wesley W. Koo
We study whether, when, and how better connectivity through nonstop flights leads to positive innovation outcomes for firms in the global context. Using unique data of all flights emanating from 5,015 airports around the globe from 2005 to 2015 and exploiting a...
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Keywords:
Nonstop Flights;
Collaborative Innovation and Invention;
Patents;
Research and Development;
Air Transportation Industry
Bahar, Dany, Prithwiraj Choudhury, Do Yoon Kim, and Wesley W. Koo. "Innovation on Wings: Nonstop Flights and Firm Innovation in the Global Context." Harvard Business School Working Paper, No. 23-009, July 2022.
- 2022
- Working Paper
Pricing Power in Advertising Markets: Theory and Evidence
By: Matthew Gentzkow, Jesse M. Shapiro, Frank Yang and Ali Yurukoglu
Existing theories of media competition imply that advertisers will pay a lower price in equilibrium to reach consumers who multi-home across competing outlets. We generalize and extend this theoretical result and test it using data from television and social media...
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Gentzkow, Matthew, Jesse M. Shapiro, Frank Yang, and Ali Yurukoglu. "Pricing Power in Advertising Markets: Theory and Evidence." NBER Working Paper Series, No. 30278, July 2022.
- June 2022 (Revised January 2023)
- Case
Buurtzorg
By: Ethan Bernstein, Tatiana Sandino, Joost Minnaar and Annelena Lobb
As co-founders of home nursing company Buurtzorg, Jos de Blok and Gonnie Kronenberg prized both self-management and organizational learning. Buurtzorg’s 10,000 nurses across 950 neighborhood nursing teams in the Netherlands were empowered to manage themselves, both in...
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Keywords:
Healthcare;
Best Practices;
Best Practices Transfer;
Flat Organization;
Self-Managed Organizations;
Self-Managed Teams;
Organizational Learning;
Knowledge Management;
Learning;
Management Practices and Processes;
Human Resources;
Communication;
Organizational Structure;
Organizational Design;
Organizational Change and Adaptation;
Groups and Teams;
Networks;
Health Industry;
Netherlands;
Europe
Bernstein, Ethan, Tatiana Sandino, Joost Minnaar, and Annelena Lobb. "Buurtzorg." Harvard Business School Case 122-101, June 2022. (Revised January 2023.)
- June 2022 (Revised July 2022)
- Technical Note
Causal Inference
This note provides an overview of causal inference for an introductory data science course. First, the note discusses observational studies and confounding variables. Next the note describes how randomized experiments can be used to account for the effect of...
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Keywords:
Causal Inference;
Causality;
Experiment;
Experimental Design;
Data Science;
Analytics and Data Science
Bojinov, Iavor I., Michael Parzen, and Paul Hamilton. "Causal Inference." Harvard Business School Technical Note 622-111, June 2022. (Revised July 2022.)
- June 2022
- Article
The Welfare Effects of Peer Entry in the Accommodation Market: The Case of Airbnb and the Accommodation Industry
By: Chiara Farronato and Andrey Fradkin
We study the effects of enabling peer supply through Airbnb in the accommodation industry. We present a model of competition between flexible and dedicated sellers—peer hosts and hotels—who provide differentiated products. We estimate this model using data from major...
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Keywords:
Peer To Peer;
Airbnb;
Digital Platforms;
Market Entry and Exit;
Competition;
Accommodations Industry
Farronato, Chiara, and Andrey Fradkin. "The Welfare Effects of Peer Entry in the Accommodation Market: The Case of Airbnb and the Accommodation Industry." American Economic Review 112, no. 6 (June 2022): 1782–1817.
- May 2022
- Case
Rawbank's Illico Cash: Can 'Fast Money' Overcome Cash Dependency in the DRC?
By: Lauren Cohen and Grace Headinger
Thomas de Dreux-Brézé, the Head of Strategy and Project Management at Rawbank Congo in the Democratic Republic of the Congo (DRC), was perplexed as he reviewed annual adoption rates for the bank’s launch of Illico Cash 2.0. As the bank’s mobile money app, Illico Cash...
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Keywords:
Fintech;
Inflation;
Deflation;
Rural;
Urban;
Emerging Market;
Mobile Technology;
Finance;
Money;
Inflation and Deflation;
Business Growth and Maturation;
Decision Choices and Conditions;
Demographics;
Developing Countries and Economies;
Corporate Entrepreneurship;
Behavioral Finance;
Currency;
Banks and Banking;
Commercial Banking;
Financial Strategy;
Rural Scope;
Urban Scope;
Innovation Strategy;
Emerging Markets;
Network Effects;
Consumer Behavior;
Mobile and Wireless Technology;
Technology Adoption;
Banking Industry;
Financial Services Industry;
Technology Industry;
Congo, Democratic Republic of the
Cohen, Lauren, and Grace Headinger. "Rawbank's Illico Cash: Can 'Fast Money' Overcome Cash Dependency in the DRC?" Harvard Business School Case 222-084, May 2022.
- Article
Why Build in Web3
By: Jad Esber and Scott Duke Kominers
A major change is coming to the internet. While today’s dominant platforms have guarded their troves of user data and maintained an advantage through network effects, new companies—working in what they're calling a “Web3” model—are proposing a new value proposition to...
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Keywords:
Blockchain;
User Experience;
Digital Platforms;
Network Effects;
Internet and the Web;
Competition;
Web Services Industry
Esber, Jad, and Scott Duke Kominers. "Why Build in Web3." Harvard Business Review Digital Articles (May 16, 2022).
- 2022
- Working Paper
Distributional Consequences of Monetary Policy Across Races: Evidence from the U.S. Credit Register
By: Laura Alfaro, Ester Faia and Camelia Minoiu
We examine the consequences of monetary policy on racial disparities, focusing on the role of bank lending to firms through collateral and selection channels. Leveraging comprehensive loan-level data from the U.S. credit register (Y-14Q) of the Federal Reserve, we show...
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Keywords:
Monetary Policy Transmission;
Inequity;
Credit Registry;
Wealth;
Collateral Channel;
Selection;
Racial Disparity;
Racial Inequality;
Equality and Inequality;
Banks and Banking;
Credit;
Governing Rules, Regulations, and Reforms;
Banking Industry;
United States
Alfaro, Laura, Ester Faia, and Camelia Minoiu. "Distributional Consequences of Monetary Policy Across Races: Evidence from the U.S. Credit Register." Harvard Business School Working Paper, No. 22-068, April 2022.
- 2022
- Working Paper
Causal Inference During A Pandemic: Evidence on the Effectiveness of Nebulized Ibuprofen as an Unproven Treatment for COVID-19 in Argentina
By: Sebastian Calonico, Rafael Di Tella and Juan Cruz Lopez Del Valle
Many medical decisions during the pandemic were made without the support of causal evidence obtained in clinical trials. We study the case of nebulized ibuprofen (NaIHS), a drug that was extensively used on COVID-19 patients in Argentina amidst wild claims about its...
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Keywords:
COVID-19;
Drug Treatment;
Health Pandemics;
Health Care and Treatment;
Decision Making;
Outcome or Result;
Argentina
Calonico, Sebastian, Rafael Di Tella, and Juan Cruz Lopez Del Valle. "Causal Inference During A Pandemic: Evidence on the Effectiveness of Nebulized Ibuprofen as an Unproven Treatment for COVID-19 in Argentina." NBER Working Paper Series, No. 30084, May 2022.
- Article
Early Withdrawal of Pandemic Unemployment Insurance: Effects on Earnings, Employment and Consumption
By: Kyle Coombs, Arindrajit Dube, Calvin Jahnke, Raymond Kluender, Suresh Naidu and Michael Stepner
In June 2021, 22 states ended all supplemental pandemic unemployment insurance (UI) benefits, eliminating benefits entirely for over 2 million workers and reducing benefits by $300 per week for over 1 million workers. Using anonymous bank transaction data and a...
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Keywords:
COVID-19 Pandemic;
Unemployment Insurance;
Health Pandemics;
Insurance;
Employment;
Financial Condition;
Spending;
Government Administration
Coombs, Kyle, Arindrajit Dube, Calvin Jahnke, Raymond Kluender, Suresh Naidu, and Michael Stepner. "Early Withdrawal of Pandemic Unemployment Insurance: Effects on Earnings, Employment and Consumption." AEA Papers and Proceedings 112 (May 2022): 85–90.
- 2022
- Article
Probing GNN Explainers: A Rigorous Theoretical and Empirical Analysis of GNN Explanation Methods.
By: Chirag Agarwal, Marinka Zitnik and Himabindu Lakkaraju
As Graph Neural Networks (GNNs) are increasingly employed in real-world applications, it becomes critical to ensure that the stakeholders understand the rationale behind their predictions. While several GNN explanation methods have been proposed recently, there has...
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Keywords:
Graph Neural Networks;
Explanation Methods;
Mathematical Methods;
Framework;
Theory;
Analysis
Agarwal, Chirag, Marinka Zitnik, and Himabindu Lakkaraju. "Probing GNN Explainers: A Rigorous Theoretical and Empirical Analysis of GNN Explanation Methods." Proceedings of the International Conference on Artificial Intelligence and Statistics (AISTATS) 25th (2022).
- 2022
- Working Paper
Small Campaign Donors
By: Laurent Bouton, Julia Cagé, Edgard Dewitte and Vincent Pons
In this paper, we study the characteristics and behavior of small donors, and compare them to those of large donors. We first build a novel dataset including all the 340 million individual contributions reported to the U.S. Federal Election Commission between 2005 and...
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Keywords:
Campaign Finance;
Campaign Contributions;
Small Donations;
ActBlue;
WinRed;
TV Advertising;
Political Elections;
Finance;
Demographics;
Advertising;
Analysis;
Analytics and Data Science
Bouton, Laurent, Julia Cagé, Edgard Dewitte, and Vincent Pons. "Small Campaign Donors." NBER Working Paper Series, No. 30050, May 2022.
- April 2022
- Teaching Note
Banorte Móvil: Data-Driven Mobile Growth
By: Ayelet Israeli and Carla Larangeira
In mid-2019, Carlos Hank was deliberating over the results for Banorte Móvil—the mobile application for Banorte, Mexico’s most profitable and second-largest financial institution. Hank, who had been appointed as Banorte´s Chairman of the Board in January 2015, had...
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- April 2022
- Supplement
Mastercard Labs (B)
When Ajaypal (Ajay) Banga became the CEO of Mastercard in 2010, digital technologies were on the rise, and innovation needed to become a strategic imperative at the company. Banga tasked Garry Lyons, who had joined Mastercard through the 2009 acquisition of Orbiscom,...
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Keywords:
Organizational Behavior;
Culture;
Transformation;
Organizational Culture;
Culture Change;
Organizational Adaptation;
Organizational Effectiveness;
Alignment;
Leadership;
Leadership Development;
Innovation;
Innovation Ecosystems;
Diversity;
Collaboration;
Co-creation;
Learning Organizations;
Empowerment;
Ecosystem;
Agility;
Prototype;
Experiment;
Partnerships;
Operating Model;
Risk Management;
Digital Transformation;
Metrics;
Payments;
Financial Industry;
Financial Inclusion;
Ambidexterity;
Corporate Innovation;
Innovation Lab;
Accelerator;
Start-up;
Fintech
Hill, Linda A., Sunil Gupta, Emily Tedards, and Julia Kelley. "Mastercard Labs (B)." Harvard Business School Supplement 422-081, April 2022.