Publications

March 2006
Case

Bringing OTC back to the Exchange: Euronext.liffe's launch of ABC

Euronex.liffe, a derivatives trading exchange, launches matching, clearing, and confirmation services for the over-the-counter market. This combination of services creates a new platform for a market that potentially cannibalizes its current exchange-based services. Is... View Details

Keywords: Value Creation; Digital Platforms; Consolidation; Financial Markets; Network Effects

July 2004 (Revised October 2018)
Case

Opium and Entrepreneurship in the Nineteenth Century

By: Geoffrey Jones, Elisabeth Koll and Alexis Gendron

This case examines the role of Jardine Matheson, a trading company founded by two Scottish merchants, in the opium trade between India and China during the nineteenth century. The two Opium Wars fought between Western powers and China, which sought to stop opium... View Details

Keywords: History; Globalized Economies and Regions; Ethnicity; Multinational Firms and Management; Groups and Teams; Trade; Social and Collaborative Networks; China; United Kingdom

2009
Working Paper

Why Do Countries Adopt International Financial Reporting Standards?

By: Karthik Ramanna and Ewa Sletten

In a sample of 102 non-European Union countries, we study variations in the decision to adopt International Financial Reporting Standards (IFRS). There is evidence that more powerful countries are less likely to adopt IFRS, consistent with more powerful countries being... View Details

Keywords: Financial Reporting; International Accounting; Globalized Economies and Regions; Network Effects; Standards; Adoption

SSRN

September–October 2023
Article

The New Era of Industrial Policy Is Here

By: Willy C. Shih

Governments around the world are increasingly intervening in the private sector through industrial policies designed to help domestic sectors reach goals that markets alone are unlikely to achieve. Companies in targeted sectors—such as automakers, energy companies, and... View Details

Keywords: Policy; Government and Politics; Business and Government Relations; Research and Development; Economic Sectors

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October 18, 2021
Article

To Regulate Network-Based Platforms, Look at Their Data

By: Chiara Farronato and Daniel Björkegren

Historically, antitrust authorities have taken a laissez-faire approach under the assumption that it is better to err on the side of not intervening when there is uncertainty. This has allowed companies like Google and Facebook to go on a shopping spree to acquire... View Details

Keywords: Antitrust Issues And Policies; Risk and Uncertainty; Digital Platforms; Competitive Advantage; Governing Rules, Regulations, and Reforms; Innovation and Invention; Information Technology Industry

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October 2013 (Revised August 2016)
Case

NOWaccount

By: Ramana Nanda, William A. Sahlman and Lauren Barley

It was September 2013, and NOWaccount Network Corporation (NOW®) co-founders John Hayes and Lara Hodgson were putting the final touches on the presentation deck for their annual shareholders' meeting. Along with co-founder Stacey Abrams, the pair had designed NOW's... View Details

Keywords: Entrepreneurial Finance; Finance; Entrepreneurship

19 May 2014
Research & Ideas

Why Companies Should Compete for Your Privacy

information. Social networking on Facebook would be of little value if users provided no personal information, and digital assistants such as Apple's Siri require access to consumers' location, contact lists, and calendar to be helpful. A... View Details

Keywords: by Dina Gerdeman; Consumer Products

2007
Working Paper

Digital Interactivity: Unanticipated Consequences for Markets, Marketing, and Consumers

By: John A. Deighton and Leora Kornfeld

The digital interactive transformation in marketing is not unfolding, as many thought it would, on the model of direct marketing. That model anticipated that digital media using rich profiling data would intrude marketing messaging more deeply and more precisely into... View Details

Keywords: Communication Intention and Meaning; Interactive Communication; Marketing Communications; Consumer Behavior; Social and Collaborative Networks; Internet and the Web

March 2025 (Revised April 2025)
Case

WallStreetBets: Democratizing Retail Investing

By: Joseph Pacelli and Alexis Lefort

In summer 2024, Jaime Rogozinski anticipated the launch of a day-trading eSports event, a vision he had nurtured for years. Rogozinski, the founder of the influential subreddit WallStreetBets (WSB), created the forum in 2012 as a space for retail traders to explore... View Details

Keywords: Investment; Emerging Markets; Market Participation; Financial Strategy; Lawsuits and Litigation; Social and Collaborative Networks; Financial Markets; Financial Services Industry; United States

16 Dec 2008
First Look

First Look: December 16, 2008

http://harvardbusinessonline.hbsp.harvard.edu/ b01/en/common/item_detail.jhtml?id=208083 Cyworld: Creating and Capturing Value in a Social Network Harvard Business School Case 509-012 May 2008, the new CEO of Cyworld, a social View Details

Keywords: Sean Silverthorne

26 Jun 2012
First Look

First Look: June 26

facilitating social comparison among agents. Overall, the findings demonstrate the power of non-financial rewards to motivate agents in settings where there are limits to the use of financial incentives. Download the paper: http://www.hbs.edu/research/pdf/12-008.pdf... View Details

Keywords: Sean Silverthorne

2024
Working Paper

Hidden Alpha

By: Manuel Amman, Alexander Cochardt, Lauren Cohen and Stephan Heller

This paper documents the central role of hidden connections between fund managers and firm officers in financial markets, drawing on an extensive dataset of over 100 thousand manually identified Facebook profiles and their 35 million Facebook friends. Our findings... View Details

Keywords: Returns; Investment Return; Networks

14 Mar 2013
Working Paper Summaries

No Taxation without Information: Deterrence and Self-Enforcement in the Value Added Tax

Keywords: by Dina Pomeranz

Teaching Interest

Business Opportunties in Climate Adaptation

By: John D. Macomber

This is a Short Intensive Program or SIP at Harvard Business School. It’s an optional student offering prior to the formal start of the Spring semester the following week. SIPs tend to cover new material on current topics, to be less formal than the HBS Case Study... View Details

Keywords: Resilience; Climate Risk; Climate Impact; Fire Protection; Insurance Risk Exposure; Hedge Fund; Public Health; Public Health Measures; Climate Change; Adaptation; Infrastructure; Real Estate Industry; Transportation Industry; Insurance Industry; United States; Africa; Latin America

June 2006 (Revised September 2006)
Case

Euronext.liffe and the Over-the-Counter Derivatives Market (A)

Euronext.liffe, a derivatives trading exchange, had just finished rolling out three new services targeted at the over-the-counter (OTC) market in 2004. The services offered automated confirmation and clearing for OTC equity derivatives. Yet, developments in the... View Details

Keywords: Value Creation; Product Positioning; Competition; Financial Markets; Network Effects; Cooperation