Publications

September 1999
Case

Taste of Frankenmuth, A: A Tourist Town in Michigan Thinks About Word-of-Mouth Referral

A town, "Michigan's little Bavaria," discusses word-of-mouth referral. Enables students to calculate the value of word-of-mouth and understand how to increase it. View Details

Keywords: Marketing Reference Programs; Michigan

13 Jan 2017
News

Not Just A Crock: The Viral Word-Of-Mouth Success Of Instant Pot

Article

Managing Customer-Initiated Contacts with Manufacturers: The Impact on Share of Category Requirements and Word-of-Mouth Behavior

By: Doug Bowman and Das Narayandas

Keywords: Management; Customers; Contracts; Production; Behavior

Find at Harvard

December 2013 (Revised March 2016)
Case

Managing Online Reviews on TripAdvisor

By: Thales Teixeira and Leora Kornfeld

In 2013, TripAdvisor was the most visited online travel site in the world. It hosted a massive repository of information on hotels and travel services, and provided millions of reviews written by consumers. Consumers were becoming increasingly motivated to read and... View Details

Keywords: Online Word-of-mouth; Online Reviews; Hotels; Internet and the Web; Marketing Communications; Marketing Reference Programs; Digital Marketing; Customer Satisfaction; Accommodations Industry; Travel Industry

2013
Working Paper

Where do the Most Active Customers Originate and How Can Firms Keep Them Engaged?

By: Clarence Lee, E. Ofek and Thomas Steenburgh

In this paper, we study how firms offering Web services can acquire and develop an active customer base. We focus on two basic questions. First, how does the method of customer acquisition affect the way customers use the service to meet their own needs and to interact... View Details

Keywords: Customer Engagement; Adoption Routes; Hidden Markov Models; Search; Word-of-Mouth; Digital Media; Customer Relationship Management; Internet and the Web; Mathematical Methods; Consumer Behavior; Entrepreneurship; Marketing Reference Programs; Web Services Industry

2024
Working Paper

Lost in Transmission

By: Thomas Graeber, Shakked Noy and Christopher Roth

For many decisions, people rely on information received from others by word of mouth. How does the process of verbal transmission distort economic information? In our experiments, participants listen to audio recordings containing economic forecasts and are paid to... View Details

Keywords: Information Trnasmission; Word Of Mouth; Word-of-Mouth; Narratives; Reliability; Knowledge Sharing; Spoken Communication; Cognition and Thinking

Read Now

2015
Other Teaching and Training Material

Marketing Reading: Digital Marketing

By: Sunil Gupta and Joseph Davin

Digital technology has changed how consumers search for information, interact with each other, and buy products. The popularization of these technologies has made it possible for companies to have a better understanding of their customers' decision journey and... View Details

Keywords: Advertising; Buzz Marketing; Internet Marketing; Marketing; Marketing Management; Social Media; Social Networks; Viral Marketing; Word-of-mouth Marketing; Digital; Internet; Marketing Channels; Marketing Reference Programs; Online Advertising; Advertising Industry

June 2018
Article

Personal and Social Usage: The Origins of Active Customers and Ways to Keep Them Engaged

By: Clarence Lee, Elie Ofek and Thomas Steenburgh

We study how digital service firms can develop an active customer base, focusing on two questions. First, how does the way that customers use the service postadoption to meet their own needs (personal usage) and to interact with one another (social usage) vary across... View Details

Keywords: Customer Engagement; Adoption Routes; Word-of-Mouth; Digital Marketing; Bayesian Estimation; Customers; Communication; Consumer Behavior; Marketing; Internet and the Web; Analytics and Data Science

Find at Harvard

2013
Dissertation

Designing Freemium: A Model of Consumer Usage, Upgrade, and Referral Dynamics

By: Clarence Lee, Vineet Kumar and Sunil Gupta

Abstract. Over the past decade "freemium" (free + premium) has become the dominant business model among internet start-ups for its ability to acquire and monetize a large install-base with limited marketing resources. Freemium is a hybrid strategy where a firm offers... View Details

Keywords: Discrete-Continuous Choice Dynamic Structural Models; Bayesian Estimation; Word-of-Mouth; Digital Services; Freemium; Entrepreneurship; Business Model; Motivation and Incentives; Marketing Strategy; Internet and the Web; Consumer Behavior; Marketing Reference Programs; Business Startups

February 2022
Teaching Note

AptDeco: Circular Economy Furniture Marketplace

By: Ayelet Israeli

Teaching Note for HBS Case No. 521-069. AptDeco, a used furniture marketplace, was growing rapidly in the tri-state area. The co-founders were confident that the business model, financial position, and unit economics positioned AptDeco for scaling in the massive $120... View Details

Keywords: E-Commerce Strategy; Mobile; Word-of-Mouth; Word Of Mouth; Word-of-mouth Marketing; Internet Marketing; Growth Strategy; Platform; Platforms; Two Sided Markets; Two-sided Market; Two-sided Marketplace; Two-Sided Markets; Two-sided Network; Black Entrepreneurs; Black Leadership; African Americans; African-American Protagonist; Circular; Peer-to-peer Markets; Furniture Industry; Growth Hacking; Monetization Strategy; Growth Management; Marketing Strategy; Entrepreneurship; Digital Platforms; Marketing Channels; Digital Marketing; Consumer Behavior; Acquisition; Retention; Growth and Development Strategy; Customer Focus and Relationships; Expansion; Brands and Branding; E-commerce; Retail Industry; Consumer Products Industry; Technology Industry; Web Services Industry; United States; North America; New York (city, NY); New York (state, US)

February 2021 (Revised March 2021)
Case

AptDeco: Circular Economy Furniture Marketplace

By: Ayelet Israeli and Jamie Merkrebs

AptDeco, a used furniture marketplace, was growing rapidly in the tri-state area. The co-founders were confident that the business model, financial position, and unit economics positioned AptDeco for scaling in the massive $120 billion furniture market, despite its... View Details

June 2005 (Revised November 2005)
Case

Hale and Dorr (A)

Highlights how word-of-mouth is crucial in the acquisition of new customers. Specifically, it shows the existence of both internal (to the firm) and external markets for customer leads. View Details

Keywords: Marketing Communications; Social and Collaborative Networks; Sales; Service Industry

18 Mar 2008
First Look

First Look: March 18, 2008

operations research? Firm-Created Word-of-Mouth Communication: Evidence from a Field Test Authors:David Godes and Dina Mayzlin Publication:Marketing Science (forthcoming) Abstract In this paper, we investigate the effectiveness of the... View Details

Keywords: Martha Lagace

July 2012
Article

iPhones for Friends, Refrigerators for Family: How Products Prime Social Networks

By: Lalin Anik and Michael I. Norton

We show that priming consumers with products associated with specific social networks increases the salience of those networks, influencing both word-of-mouth intentions and consumption. Consumers were exposed to friend- or family-related products (e.g., game consoles... View Details

Keywords: Family and Family Relationships; Product; Customers; Familiarity; Social and Collaborative Networks

Read Now

05 Oct 2011
News

Unhappy endings: Have people stopped eating ice cream?

November 2009 (Revised January 2010)
Case

Communispace

By: Anat Keinan

Communispace is the market leader in creating and managing private, brand-focused online communities for major corporate clients. These communities have provided its clients with insights into how consumers view their brands, with quick feedback on potential marketing... View Details

Keywords: Customer Focus and Relationships; Brands and Branding; Product Launch; Network Effects; Social and Collaborative Networks; Online Technology; Communications Industry; Media and Broadcasting Industry

August 2011 (Revised October 2011)
Supplement

Lady Gaga (B)

By: Anita Elberse and Michael Christensen

In March 2011, Troy Carter, manager of pop star Lady Gaga, reflects on decisions made regarding his artist's concert tour and faces a new set of challenges regarding the launch of Lady Gaga's new album, Born This Way. Is a huge, expensive launch akin to that of a... View Details

Keywords: Music Entertainment; Product Launch; Product Development; Talent and Talent Management; Music Industry

May 2009 (Revised July 2011)
Case

Daqi

By: Robert C. Pozen, Richard Franklyn Armbrust and Ziquan Zhang

In 2008, Daqi was one of the largest Internet portals for user-generated content and the leading word-of-mouth marketing provider in China. Grace Zhou, Daqi's CEO, was contemplating the risks and benefits of expanding Daqi's services into three new content areas—news,... View Details

Keywords: Information Publishing; Growth and Development Strategy; Risk Management; Marketing; Business and Government Relations; Expansion; Internet; Information Industry; China

May 2016 (Revised March 2020)
Case

Fasten: Challenging Uber and Lyft with a New Business Model

By: Feng Zhu and Angela Acocella

Fasten, a new ridesharing start-up in Boston, entered the scene in September 2015 hoping its unique vision of transparency for both driver and passenger and strategy to keep riders' fares low and charge drivers a flat $0.99 fee per ride as opposed to the 20-30%... View Details

Keywords: Information Technology; Transportation; Business Startups; Business Model; Transportation Industry; Boston