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- All HBS Web
(2,158)
- People (2)
- News (469)
- Research (1,561)
- Events (1)
- Multimedia (13)
- Faculty Publications (1,185)
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- June 2016 (Revised March 2017)
- Case
Global Wine War 2015: New World Versus Old
By: Christopher A. Bartlett and Sarah McAra
This case contrasts the tradition-bound Old World wine industry with the market-oriented New World producers in the battle for the Chinese wine market in 2015. China’s wine consumption growth presented a large and fast-growing export target that was extremely... View Details
Keywords: Competitive Advantage; Government Regulation; Industry Analysis; International Business; International Marketing; Market Entry; Exports; Business And Government Relations; China; Europe; France; Australia; Trade; Global Strategy; Governing Rules, Regulations, and Reforms; Consumer Behavior; Market Entry and Exit; Competition; Food and Beverage Industry; France; Europe; Australia; China
Bartlett, Christopher A., and Sarah McAra. "Global Wine War 2015: New World Versus Old." Harvard Business School Case 916-415, June 2016. (Revised March 2017.)
- 2025
- Working Paper
Antitrust Platform Regulation and Entrepreneurship: Evidence from China
By: Ke Rong, D. Daniel Sokol, Di Zhou and Feng Zhu
Many jurisdictions have launched antitrust enforcement and brought in regulation of large tech platforms. The swift and strict implementation of China’s Anti-Monopoly Guidelines for the Platform Economy (Platform Guidelines) provides a quasi-natural experiment... View Details
Keywords: Platform; Antitrust; Regulation; Entrepreneurship; Governing Rules, Regulations, and Reforms; Competition; Venture Capital; Market Entry and Exit; Supply and Industry; China
Rong, Ke, D. Daniel Sokol, Di Zhou, and Feng Zhu. "Antitrust Platform Regulation and Entrepreneurship: Evidence from China." Harvard Business School Working Paper, No. 24-039, January 2024. (Revised May 2025.)
- November 2020 (Revised March 2023)
- Case
Zipline: The World's Largest Drone Delivery Network
By: Tarun Khanna and George Gonzalez
Zipline established the world's largest logistics network in Rwanda and Ghana by delivering medical supplies to hospitals via automated drones. The company is now looking to expand in the U.S. and partnered with Walmart to expand into home delivery. Zipline must... View Details
Keywords: Drones; Business Startups; Expansion; Growth and Development Strategy; Governing Rules, Regulations, and Reforms; Medical Devices and Supplies Industry; United States; Africa
Khanna, Tarun, and George Gonzalez. "Zipline: The World's Largest Drone Delivery Network." Harvard Business School Case 721-366, November 2020. (Revised March 2023.)
- 28 May 2019
- Research & Ideas
Investor Lawsuits Against Auditors Are Falling, and That's Bad News for Capital Markets
Investors rely on corporate auditors to keep impartial watch on the accounting practices of the companies they invest in. Historically, investors have not been shy about launching litigation when they believed auditors did not do enough to stop their clients from... View Details
- 12 Jul 2004
- Research & Ideas
Enron’s Lessons for Managers
Salter said Enron's legacy of corporate reforms in the U.S. since its fall is deep and wide and not necessarily reassuring. Steps to curb Enron-like corporate abuses, such as the shift from a principles-based corporate governance system... View Details
Keywords: by Martha Lagace
- September 2010 (Revised March 2012)
- Case
AQR's Momentum Funds (A)
By: Daniel Baird Bergstresser, Lauren H. Cohen, Randolph B. Cohen and Christopher J. Malloy
AQR is a hedge fund based in Greenwich, Connecticut, that is considering offering a wholly new line of product to retail investors, namely the ability to invest in the price phenomenon known as momentum. There is a large body of empirical evidence supporting momentum... View Details
Keywords: Financial Strategy; Investment Funds; Investment Portfolio; Governing Rules, Regulations, and Reforms; Product Development; Financial Services Industry; Greenwich
Bergstresser, Daniel Baird, Lauren H. Cohen, Randolph B. Cohen, and Christopher J. Malloy. "AQR's Momentum Funds (A)." Harvard Business School Case 211-025, September 2010. (Revised March 2012.)
- January 2019 (Revised February 2020)
- Case
Jay Gould, 'The Most Hated Man in America'
By: Tom Nicholas, John Masko and Matthew G. Preble
Railroad magnate Jay Gould, a controversial figure in the history of U.S. capitalism, was a disruptive influence on an industry that had previously relied on formal and informal agreements to move traffic long distances across lines operated by different companies.... View Details
Keywords: Railroads; Gould; Vanderbilt; Rail Transportation; History; Consolidation; Governing Rules, Regulations, and Reforms; Competition; Strategy; Rail Industry; United States
Nicholas, Tom, John Masko, and Matthew G. Preble. "Jay Gould, 'The Most Hated Man in America'." Harvard Business School Case 819-006, January 2019. (Revised February 2020.)
- 21 May 2012
- Research & Ideas
OSHA Inspections: Protecting Employees or Killing Jobs?
With an election looming and the economy continuing to struggle, the effectiveness of government regulation has become a political football. While advocates hold regulations up as necessary to protect public health and safety, critics see them as arbitrary and costly... View Details
Keywords: by Michael Blanding
- 15 Apr 2015
- Research & Ideas
Why Americans Voted for an Income Tax
once again front-and-center in US politics. Sometimes it can seem that these debates go around in circles, with partisans from both extremes advocating reforms that even they don't imagine becoming reality. But we should celebrate these... View Details
Keywords: by Matthew C. Weinzierl
- 30 Jan 2013
- Working Paper Summaries
These Are the Good Old Days: Foreign Entry and the Mexican Banking System
- 16 Apr 2020
- Research & Ideas
Has COVID-19 Broken the Global Value Chain?
The coronavirus pandemic has not only disrupted lives and businesses, it has illuminated underlying fragilities in the global value chain (GVC) that drives economies around the world. The smartphone you use many times daily is a product of a global value chain,... View Details
Keywords: by Sean Silverthorne
- 2024
- Working Paper
What Makes Players Pay? An Empirical Investigation of In-Game Lotteries
By: Tomomichi Amano and Andrey Simonov
In 2020, gamers spent more than $15 billion on loot boxes, lotteries of virtual items in video
games. Paid loot boxes are contentious. Game producers argue that loot boxes complement
the gameplay and expenditures on loot boxes reflect players’ enjoyment of the game.... View Details
Keywords: Consumer Behavior; Policy; Games, Gaming, and Gambling; Product Design; Ethics; Governing Rules, Regulations, and Reforms; Video Game Industry
Amano, Tomomichi, and Andrey Simonov. "What Makes Players Pay? An Empirical Investigation of In-Game Lotteries." Columbia Business School Research Paper Series, No. 4355019, June 2024.
- February 2016 (Revised June 2016)
- Case
The Maggi Noodle Safety Crisis in India (A)
By: Karthik Ramanna and Radhika Kak
The local government in Delhi has ordered a ban on Nestlé's flagship product in India—Maggi Noodles—citing excessive lead content per government lab tests. Nestlé disputes the government tests, noting that internal and third-party tests show the product to be safe.... View Details
Keywords: Multinationals; Regulation; Customer Relations; Business And Government; Crisis Management; Leadership; Multinational Firms and Management; Globalization; Governing Rules, Regulations, and Reforms; Safety; Customer Relationship Management; Business and Government Relations; India; Europe; Switzerland
Ramanna, Karthik, and Radhika Kak. "The Maggi Noodle Safety Crisis in India (A)." Harvard Business School Case 116-013, February 2016. (Revised June 2016.)
- 20 Oct 2010
- Op-Ed
Export Competitiveness: Reversing the Logic
country-specific data rather than an adoption of general policy principles from abroad. It implies to identify which policies are truly critical at a given point in time, instead of trying to do everything in parallel. And it implies identifying which packages of... View Details
Keywords: by Christian Ketels
- May 2019
- Article
The Role of Gatekeepers in Capital Markets
By: Sugata Roychowdhury and Suraj Srinivasan
Gatekeepers in financial markets have the power to provide the institutional stability, fortitude and direction necessary for the development and the smooth functioning of capital markets. At the same time, they are often motivated by their own private incentives.... View Details
Keywords: Gatekeepers; Capital Markets; Governing Rules, Regulations, and Reforms; Performance Effectiveness
Roychowdhury, Sugata, and Suraj Srinivasan. "The Role of Gatekeepers in Capital Markets." Journal of Accounting Research 57, no. 2 (May 2019): 295–322.
- Research Summary
The Institutional Foundations of Lending: Indirect Regulation and State-Building
The Institutional Foundations of Lending: Indirect Regulation and State-Building makes two main theoretical contributions to the scholarship on credit markets and institutional development. First, the book demonstrates that opportunistic lenders can take... View Details
- January 2023 (Revised December 2023)
- Case
OhmConnect: Energizing the Future
By: Jeffrey F. Rayport, Jennifer Fonstad and Nicole Tempest Keller
Founded in 2013, OhmConnect was a free consumer web app that alerted customers about peak hours of electricity demand, and paid them to lower their energy use at home during these periods. The company sold the aggregated reductions generated by thousands of households... View Details
Keywords: App Development; Renewable Energy; Electricity Usage; Regulations; VC; Technology; Customer Acquisition Cost (CAC); Scalability; Applications and Software; Growth and Development Strategy; Governing Rules, Regulations, and Reforms; Business Model; Venture Capital; Energy Industry; United States; California; Texas; Europe
Rayport, Jeffrey F., Jennifer Fonstad, and Nicole Tempest Keller. "OhmConnect: Energizing the Future." Harvard Business School Case 823-065, January 2023. (Revised December 2023.)
- December 2023 (Revised August 2024)
- Case
Monsters in the Machine? Tackling the Challenge of Responsible AI
By: Paul M. Healy and Debora L. Spar
In November of 2022, the small tech company OpenAI released ChatGPT, an artificial intelligence chatbot which quickly captured the public’s imagination—becoming the world’s fastest-growing consumer application within months of its release. Though observers from across... View Details
Keywords: Technological Innovation; AI and Machine Learning; Ethics; Governing Rules, Regulations, and Reforms; Technology Adoption; Corporate Social Responsibility and Impact; Technology Industry; United States; European Union; China
Healy, Paul M., and Debora L. Spar. "Monsters in the Machine? Tackling the Challenge of Responsible AI." Harvard Business School Case 324-062, December 2023. (Revised August 2024.)
- Article
Red Light States: Who Buys Online Adult Entertainment?
By: Benjamin Edelman
This paper studies the adult online entertainment industry, particularly the consumption side of the market. In particular, it focuses on the demographics and consumption patterns of those who subscribe to adult entertainment websites. On the surface, this business... View Details
Keywords: Online Technology; Segmentation; Film Entertainment; Demographics; Web Sites; Competition; Governing Rules, Regulations, and Reforms; Demand and Consumers; Legal Liability; Culture; Religion; Entertainment and Recreation Industry; United States
Edelman, Benjamin. "Red Light States: Who Buys Online Adult Entertainment?" Journal of Economic Perspectives 23, no. 1 (Winter 2009): 209–220.
- November 1999
- Case
Long-Term Capital Management, L.P. (A)
By: Andre F. Perold
Long-Term Capital Management, L.P. (LTCM) was in the business of engaging in trading strategies to exploit market pricing discrepancies. Because the firm employed strategies designed to make money over long horizons--from six months to two years or more--it adopted a... View Details
Keywords: Fluctuation; Capital; Financial Liquidity; Financing and Loans; Investment Funds; Investment Portfolio; Corporate Governance; Governing Rules, Regulations, and Reforms; Management; Risk Management; Marketing; Motivation and Incentives; Financial Services Industry
Perold, Andre F. "Long-Term Capital Management, L.P. (A)." Harvard Business School Case 200-007, November 1999.