Publications

2016
Working Paper

Reviews, Reputation, and Revenue: The Case of Yelp.com

By: Michael Luca

Do online consumer reviews affect restaurant demand? I investigate this question using a novel dataset combining reviews from the website Yelp.com and restaurant data from the Washington State Department of Revenue. Because Yelp prominently displays a restaurant's... View Details

Keywords: Revenue; Network Effects; Reputation; Social and Collaborative Networks; Service Industry; Service Industry; Washington (state, US)

SSRN

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January 1999
Case

State Street Corporation: Leading with Information Technology (B)

By: Stephen P. Bradley and Kelley Porter

With Multi-currency HORIZON, a real-time multi-currency accounting system that replaced the traditional batch-oriented single-currency accounting system, successfully launched, State Street Corp. (State Street) began to focus on growing the scope of its business... View Details

Keywords: Accounting; Trends; Global Strategy; Growth and Development Strategy; Competitive Strategy; Information Technology; Value Creation; Financial Services Industry

2010
Working Paper

The Unbundling of Advertising Agency Services: An Economic Analysis

By: Mohammad Arzaghi, Ernst R. Berndt, James C. Davis and Alvin J. Silk

We address a longstanding puzzle surrounding the unbundling of services occurring over several decades in the U.S. advertising agency industry: What accounts for the shift from bundling to unbundling of services and the slow pace of change? Using Evans and Salinger's... View Details

Keywords: Advertising; Change; Forecasting and Prediction; Cost; Price; Analytics and Data Science; Surveys; Marketing Strategy; Media; Service Operations; Agency Theory; Mathematical Methods; Advertising Industry; United States

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January 2008 (Revised March 2008)
Case

Glass Egg Digital Media

Glass Egg is an outsource games development firm in Vietnam. They are able to offer brand-name publishers-Microsoft EA, Atari-significant cost savings in the development of art assets for their video games. However, the firm's management find themselves at a point at... View Details

Keywords: Games, Gaming, and Gambling; Growth and Development Strategy; Marketing Strategy; Demand and Consumers; Product Development; Organizational Structure; Entertainment and Recreation Industry

February 1988 (Revised August 2000)
Background Note

Note on the U.S. Freight Transportation Industry

By: Janice H. Hammond and John E. P. Morrison

Describes the major modes of domestic freight transportation (motor carrier, rail, air, water, and pipelines). Examines the characteristics of the transportation service that each mode provides and discusses changes in the industry that have resulted from recent... View Details

Keywords: Change; Governing Rules, Regulations, and Reforms; Industry Structures; Logistics; Service Operations; Transportation; United States

May 2018 (Revised January 2019)
Case

AirFox (A): Embracing the Blockchain and an ICO

By: Jeffrey J. Bussgang, Edward B. Berk and Nate Schwalb

In summer 2017, Victor Santos, CEO of AirFox, considered whether to pivot his startup towards a new product built with blockchain—a quickly growing technology at the time. AirFox was an early stage startup that sold Software-as-a-Service (SaaS) to small telecom... View Details

Keywords: Blockchain; Cryptocurrency; Initial Coin Offering; ICO; Business Startups; Finance; Currency; Strategy; Decision Making; United States

September 2014 (Revised June 2016)
Case

edX: Strategies for Higher Education

By: David Collis, Matthew Shaffer and Ashley Hartman

In May 2012, Harvard University and the Massachusetts Institute of Technology (MIT) founded edX, a new non-profit joint venture that would provide a platform for massive open online courses (MOOCs). edX did not produce original courses or instructional content—it made... View Details

Keywords: MOOCS; edX; Online Platforms; Online Education; Harvard University; MIT; Execution; Monetization; Brand Management; Higher Education; Information Technology; Strategy; Disruptive Innovation; Digital Platforms; Education Industry

May 2017
Supplement

Betfair (B)

By: Ramon Casadesus-Masanell, John Heilbron and Neil Campbell

Buoyed by success in the market for gambling contracts, Betfair attempts to enter the market for financial products using its exchange model. View Details

Keywords: Betfair; Exchange; Business Model; Betting; Leisure Industry; Market Design; Digital Platforms; Diversification; Financial Services Industry; Financial Services Industry; Europe

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

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July 2018
Case

LIXIL Group Corporation: Building a New Company in an Old Industry

By: Boris Groysberg and Akiko Kanno

In the spring of 2018, Kinya Seto, president and CEO of LIXIL Group Corporation, a major housing and building products and services company, called a meeting at the company’s head office in central Tokyo to discuss how to implement the new three-year strategic plan.... View Details

Keywords: Turnaround; Leadership And Change Management; Consolidation; Change Management; Leadership; Global Strategy; Business Model; Consumer Products Industry; Manufacturing Industry; Japan

January 2002 (Revised June 2002)
Background Note

The Rise and Decline of e-Consulting

By: Ashish Nanda and M. Julia Prats

E-consulting began as a specialized consulting service in the late 1990s. In January 2000, more than 100 firms were characterized as e-consultants. By December 2001, more than 50% of these firms had disappeared. This case tracks the rapid rise and sharp decline of... View Details

Keywords: Internet and the Web; Market Participation; Consulting Industry

17 Dec 2007
Research & Ideas

The Rise of Medical Tourism

case with professor Felix Oberholzer-Gee and Carin-Isabel Knoop, executive director of the HBS Global Research Group. The medical services industry hasn't been global historically but is becoming so now, says Khanna. There are several... View Details

Keywords: by Martha Lagace; Health; Medical Devices & Supplies

03 Aug 2009
Research & Ideas

Corporate Social Responsibility in a Downturn

Kasturi "Kash" Rangan, the Malcolm P. McNair Professor of Marketing at Harvard Business School, argues that corporate social responsibility (CSR) initiatives are more necessary than ever. Rangan says that when carefully planned... View Details

Keywords: by Martha Lagace

Luis M. Viceira

Luis M. Viceira is the George E. Bates Professor in the Finance Unit and a Research Associate at the National Bureau of Economic Research. His research, course development, and teaching focus on the areas of investment management... View Details

Keywords: financial services; financial services; financial services; financial services; financial services

April 1993 (Revised December 1994)
Case

Lehman Brothers and the Securitization of American Express Charge-Card Receivables

By: Andre F. Perold and Kuljot Singh

In early 1992, Lehman Brothers had received a mandate from its affiliate, American Express Travel Related Services (TRS) Co., to securitize a portion of its consumer charge-card receivables portfolio. It is now July 22, and Lehman and TRS have just returned from a... View Details

Keywords: Risk and Uncertainty; Credit Cards; Financial Instruments; Stocks; Asset Pricing

May 2025
Case

The Video-Streaming Wars in 2025: Can Anyone Catch Netflix?

By: Anita Elberse and Javiera Larenas

On January 21, 2025, Ted Sarandos, co-chief executive officer of video-streaming service Netflix, presented the company’s quarterly earnings. He had every reason to be upbeat: Netflix added 19 million new subscribers in the final quarter of 2024, ended the year with a... View Details

Keywords: Entertainment; Media; Television; Management; Strategy; Disruption; Technology; Competition

January 2020 (Revised January 2025)
Case

Freelancer, Ltd.

By: Christopher Stanton, Karim R. Lakhani, Jennifer L. Hoffman, Jin Hyun Paik and Nina Cohodes

Over the course of the 2010s, the rapid advancement of mobile technologies and the rise of online freelancing platforms seemed to portend a radical transformation of labor markets into on-demand, flexible talent pools. Even though several Fortune 500... View Details

Keywords: Freelancers; Platforms; Digital Labor; Labor; Human Resources; Management; Internet and the Web; Growth and Development Strategy; Digital Platforms; Information Industry; Australia; United States; Philippines