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- April 2024 (Revised July 2024)
- Case
Market Dynamics and Moral Dilemmas: Novo Nordisk’s Weight-Loss Drugs
By: Joseph L. Badaracco, Tom Quinn and John Schultz
Danish pharmaceutical company Novo Nordisk was owned by a charitable foundation, and since its founding in the 1920s had focused on producing insulin to treat diabetes. In 2017, however, it released Ozempic, a diabetes treatment with the revolutionary side effect of... View Details
Keywords: Cost vs Benefits; Decisions; Judgments; Values and Beliefs; Global Strategy; Health Care and Treatment; Patents; Growth and Development Strategy; Growth Management; Product Positioning; Supply and Industry; Supply Chain; Corporate Social Responsibility and Impact; Mission and Purpose; Philanthropy and Charitable Giving; Opportunities; Social Issues; Equality and Inequality; Pharmaceutical Industry; Health Industry; Denmark; United States; Europe; China; India; Middle East; North Africa
Badaracco, Joseph L., Tom Quinn, and John Schultz. "Market Dynamics and Moral Dilemmas: Novo Nordisk’s Weight-Loss Drugs." Harvard Business School Case 324-114, April 2024. (Revised July 2024.)
- Working Paper
Visual Uniqueness in Peer-to-Peer Marketplaces: Machine Learning Model Development, Validation, and Application
By: Flora Feng, Charis Li and Shunyuan Zhang
Peer-to-peer (P2P) marketplaces have seen exponential growth in recent years featured by unique offerings from individual providers. Despite the perceived value of uniqueness, scalable quantification of visual uniqueness in P2P platforms like Airbnb has been largely... View Details
Keywords: Peer-to-peer Markets; Marketplace Matching; AI and Machine Learning; Demand and Consumers; Digital Platforms; Marketing
Feng, Flora, Charis Li, and Shunyuan Zhang. "Visual Uniqueness in Peer-to-Peer Marketplaces: Machine Learning Model Development, Validation, and Application." SSRN Working Paper Series, No. 4665286, February 2024.
- 2024
- Working Paper
The Imperfect Intermediation of Money-Like Assets
By: Jonathan Wallen and Jeremy C. Stein
We study supply-and-demand effects in the U.S. Treasury bill market by comparing the returns on T-bills to the administered policy rate on the Federal Reserve’s reverse repurchase (RRP) facility. In spite of the arguably more money-like properties of an investment in... View Details
Wallen, Jonathan, and Jeremy C. Stein. "The Imperfect Intermediation of Money-Like Assets." Working Paper, July 2024. (Revise and Resubmit, Journal of Finance.)
- 2023
- Working Paper
Algorithm Failures and Consumers' Response: Evidence from Zillow
By: Isamar Troncoso, Runshan Fu, Nikhil Malik and Davide Proserpio
In November 2021, Zillow announced the closure of its iBuyer business. Popular media largely attributed this to a failure of its proprietary forecasting algorithm. We study the response of consumers to Zillow’s iBuyer business closure. We show that after the iBuyer... View Details
Keywords: Algorithmic Pricing; Price; Forecasting and Prediction; Consumer Behavior; Real Estate Industry
Troncoso, Isamar, Runshan Fu, Nikhil Malik, and Davide Proserpio. "Algorithm Failures and Consumers' Response: Evidence from Zillow." Working Paper, July 2023.
- October 2022
- Case
Afrigen Biologics: Vaccines for the Global South
By: Debora L. Spar and Julia Comeau
The majority of vaccines used on the continent of Africa (99%) are produced offshore. This makes African nations reliant on the West for major health care needs, a problem which was exacerbated by the COVID-19 pandemic. Afrigen Biologics (in partnership with the WHO)... View Details
Keywords: Vaccination; Vaccine; mRNA; COVID; COVID-19; Inequity; Hub-and-spoke; Health Care and Treatment; Health Pandemics; Production; Social Issues; Business and Government Relations; South Africa; Africa
Spar, Debora L., and Julia Comeau. "Afrigen Biologics: Vaccines for the Global South." Harvard Business School Case 323-030, October 2022.
- October 2022
- Exercise
Shanty Real Estate: Confidential Information for Homebuyer 1
By: Michael Luca, Jesse M. Shapiro and Nathan Sun
Shanty is a simulation in which students inhabit the role of either a traditional home buyer or an iBuyer, both bidding on the same condo. The traditional home buyer has access to a “comp sheet” of similar properties that have recently sold, and has done a walkthrough.... View Details
Keywords: Data-driven Decision-making; Decisions; Negotiation; Bids and Bidding; Valuation; Consumer Behavior; Real Estate Industry
Luca, Michael, Jesse M. Shapiro, and Nathan Sun. "Shanty Real Estate: Confidential Information for Homebuyer 1." Harvard Business School Exercise 923-016, October 2022.
- August 2022
- Article
What Makes a Good Image? Airbnb Demand Analytics Leveraging Interpretable Image Features
By: Shunyuan Zhang, Dokyun Lee, Param Vir Singh and Kannan Srinivasan
We study how Airbnb property demand changed after the acquisition of verified images (taken by Airbnb’s photographers) and explore what makes a good image for an Airbnb property. Using deep learning and difference-in-difference analyses on an Airbnb panel dataset... View Details
Keywords: Sharing Economy; Airbnb; Property Demand; Computer Vision; Deep Learning; Image Feature Extraction; Content Engineering; Property; Marketing; Demand and Consumers
Zhang, Shunyuan, Dokyun Lee, Param Vir Singh, and Kannan Srinivasan. "What Makes a Good Image? Airbnb Demand Analytics Leveraging Interpretable Image Features." Management Science 68, no. 8 (August 2022): 5644–5666.
- April 2022
- Article
Demand Interactions in Sharing Economies: Evidence from a Natural Experiment Involving Airbnb and Uber/Lyft
By: Shunyuan Zhang, Dokyun Lee, Param Singh and Tridas Mukhopadhyay
We examine whether and how ride-sharing services influence the demand for home-sharing services. Our identification strategy hinges on a natural experiment in which Uber/Lyft exited Austin, Texas, in May 2016 due to local regulation. Using a 12-month longitudinal... View Details
Keywords: Airbnb; Uber; Natural Experiment; Geographic Demand Dispersion; Sharing Economy; Transportation; Demand and Consumers; Geographic Scope
Zhang, Shunyuan, Dokyun Lee, Param Singh, and Tridas Mukhopadhyay. "Demand Interactions in Sharing Economies: Evidence from a Natural Experiment Involving Airbnb and Uber/Lyft." Journal of Marketing Research (JMR) 59, no. 2 (April 2022): 374–391.
- February 2022 (Revised February 2024)
- Case
Sekisui House and the In-Home Early Detection Platform
By: John D. Macomber and Akiko Kanno
To address an aging population and sales declines, a major Japanese homebuilder considers pivoting to provide and support an in-home health detection platform, in competition with tech companies. This case considers the point of view of major builders regarding how... View Details
Keywords: Voice Assistants; Architecture; Smart Home; Aging Society; Digitalization; Real Estate; Home Automation; Sensors; Strategy; Digital Platforms; Health Care and Treatment; Housing; Age; Real Estate Industry; Construction Industry; Health Industry; Japan
Macomber, John D., and Akiko Kanno. "Sekisui House and the In-Home Early Detection Platform." Harvard Business School Case 222-070, February 2022. (Revised February 2024.)
- 2023
- Working Paper
How Resilient Is Venture-Backed Innovation? Evidence from Four Decades of U.S. Patenting
By: Sabrina T. Howell, Josh Lerner, Ramana Nanda and Richard Townsend
Despite theoretical predictions to the contrary, corporate innovation is strongly pro-cyclical. In this paper, we compare innovation in the economy as a whole to that of firms backed by venture capital (VC), a source of capital associated with the most impactful young... View Details
Keywords: Recessions; Venture Capital; Innovation and Invention; Patents; Business Cycles; Economic Slowdown and Stagnation
Howell, Sabrina T., Josh Lerner, Ramana Nanda, and Richard Townsend. "How Resilient Is Venture-Backed Innovation? Evidence from Four Decades of U.S. Patenting." Harvard Business School Working Paper, No. 20-115, May 2020. (Revised July 2023.)
- February 2019 (Revised January 2022)
- Case
The U.S. – China Trade War
By: Alberto Cavallo, Mariana Cal and Anne Laski
On December 1, 2018, U.S. President Donald Trump and China’s Leader Xi Jinping faced each other across a dinner table during a G20 meeting in Buenos Aires, Argentina. After what Trump called an “amazing and productive meeting,” the two leaders announced a truce in the... View Details
Keywords: Trade War; Trump; Current Account; NAFTA; Balance Of Payments; Intellectual Property Protection; Trade; Macroeconomics; Economic Slowdown and Stagnation; International Relations; United States; China
Cavallo, Alberto, Mariana Cal, and Anne Laski. "The U.S. – China Trade War." Harvard Business School Case 719-034, February 2019. (Revised January 2022.)
- October 2017
- Article
'Be Careless with That!' Availability of Product Upgrades Increases Cavalier Behavior Toward Possessions
By: Silvia Bellezza, Joshua M. Ackerman and Francesca Gino
Consumers are often faced with the opportunity to purchase a new, enhanced product, such as a new phone, even though the product they currently own is still fully functional. We propose that consumers act more recklessly with their current products when in the presence... View Details
Keywords: Carelessness; Product Upgrade; Ownership; Justification; Consumer Behavior; Attitudes; Property
Bellezza, Silvia, Joshua M. Ackerman, and Francesca Gino. "'Be Careless with That!' Availability of Product Upgrades Increases Cavalier Behavior Toward Possessions." Journal of Marketing Research (JMR) 54, no. 5 (October 2017): 768–784.
- December 2016
- Article
The Effect of File Sharing on Record Sales, Revisited
By: Felix Oberholzer-Gee and Koleman Strumpf
Even as we approach the twentieth anniversary of widespread file sharing, its impact on the sale of copyrighted material remains in dispute. We contributed to this debate with an early study, “The Effect of File Sharing on Record Sales: An Empirical Analysis,” that was... View Details
Oberholzer-Gee, Felix, and Koleman Strumpf. "The Effect of File Sharing on Record Sales, Revisited." Information Economics and Policy 37 (December 2016): 61–66.
- 2016
- Working Paper
Pros vs Joes: Agent Pricing Behavior in the Sharing Economy
By: Jun Li, Antonio Moreno and Dennis J. Zhang
One of the major differences between markets that follow a “sharing economy” paradigm and traditional two-sided markets is that the supply side in the sharing economy often includes individual nonprofessional decision makers, in addition to firms and professional... View Details
Keywords: Two-sided Market; Sharing Economy; Behavioral Economics; Revenue Management; Hospitality; Two-Sided Platforms; Price; Behavior; Experience and Expertise
Li, Jun, Antonio Moreno, and Dennis J. Zhang. "Pros vs Joes: Agent Pricing Behavior in the Sharing Economy." Michigan Ross School of Business Working Paper, No. 1298, August 2016.
- March 2011
- Article
Cheaper Patents
By: Tom Nicholas
The 1883 Patents Act in Britain provides perspective for modern patent policy reforms because it radically changed incentives for inventors by reducing filing fees by 84 percent. Patents increased 2.5 fold after the reform, which was evenly distributed across the... View Details
Keywords: Patents; Global Range; Distribution; Demand and Consumers; Organizational Structure; Business Processes; Innovation and Invention; Innovation and Management; Policy; Governing Rules, Regulations, and Reforms; Fluctuation; Motivation and Incentives; Distribution Industry; United States; Great Britain
Nicholas, Tom. "Cheaper Patents." Research Policy 40, no. 2 (March 2011).
- March 2010
- Article
The Role of Independent Invention in U.S. Technological Development, 1880-1930
By: Tom Nicholas
Why did independent inventors account for over half of US patents by 1930 and more than three times the number granted to R&D firms? Using new data on patents and historical patent citations, I show that independents supplied high quality innovations to a... View Details
Keywords: History; Technological Innovation; Patents; Urban Scope; Independent Innovation and Invention; Research and Development; United States
Nicholas, Tom. "The Role of Independent Invention in U.S. Technological Development, 1880-1930." Journal of Economic History 70, no. 1 (March 2010).
- December 2009 (Revised December 2012)
- Case
Sony and the JK Wedding Dance
By: John Deighton and Leora Kornfeld
Executives at Sony Music Entertainment faced a dilemma: a user-generated video featuring controversial artist Chris Brown's music was netting millions of views per week on YouTube. Sony held the copyright to the song, and was entitled to issue a takedown notice to the... View Details
Keywords: Music Entertainment; Copyright; Marketing Strategy; Consumer Behavior; Network Effects; Social and Collaborative Networks; Internet; Music Industry
Deighton, John, and Leora Kornfeld. "Sony and the JK Wedding Dance." Harvard Business School Case 510-064, December 2009. (Revised December 2012.) (request a courtesy copy.)
- August 2008 (Revised January 2014)
- Case
Polanco: A Fashionable Opportunity
By: Arthur I Segel and Ben Creo
Roberto Charvel is a young MBA graduate making his first personal real estate investment in his native Mexico City. Charvel is planning to purchase and renovate a nine-unit apartment building. Is the market good? Should he sell or lease the units? How should he handle... View Details
Segel, Arthur I., and Ben Creo. "Polanco: A Fashionable Opportunity." Harvard Business School Case 209-012, August 2008. (Revised January 2014.)
- June 2008
- Article
How Are Preferences Revealed?
By: John Beshears, James J. Choi, David Laibson and Brigitte C. Madrian
Revealed preferences are tastes that rationalize an economic agent's observed actions. Normative preferences represent the agent's actual interests. It sometimes makes sense to assume that revealed preferences are identical to normative preferences. But there are many... View Details
Beshears, John, James J. Choi, David Laibson, and Brigitte C. Madrian. "How Are Preferences Revealed?" Journal of Public Economics 92, nos. 8-9 (June 2008): 1787–1794.
- December 2005 (Revised August 2006)
- Case
Amgen Inc.'s Epogen--Commercializing the First Biotech Blockbuster Drug
By: Felix Oberholzer-Gee and Dennis A. Yao
Amgen Inc.'s Epogen was the first biotech blockbuster drug. Epogen helped prevent anemia, a condition that leads to severe fatigue, increased risk of cardiovascular disease, and even death. At the time, the market for Epogen, which included dialysis patients and... View Details
Keywords: Health Care and Treatment; Strategic Planning; Competition; Patents; Innovation and Invention; Pharmaceutical Industry; Biotechnology Industry; United States
Oberholzer-Gee, Felix, and Dennis A. Yao. "Amgen Inc.'s Epogen--Commercializing the First Biotech Blockbuster Drug." Harvard Business School Case 706-454, December 2005. (Revised August 2006.)