Publications

2025
Working Paper

Balancing Engagement and Polarization: Multi-Objective Alignment of News Content Using LLMs

By: Mengjie Cheng, Elie Ofek and Hema Yoganarasimhan

We study how media firms can use LLMs to generate news content that aligns with multiple objectives—making content more engaging while maintaining a preferred level of polarization/slant consistent with the firm’s editorial policy. Using news articles from The New York... View Details

Keywords: Large Language Models; Content Creation; Media; Polarization; Generative Ai; Direct Preference Optimization; AI and Machine Learning; News; Perspective; Digital Marketing; Policy; Media and Broadcasting Industry

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April 2021
Article

Homing and Platform Responses to Entry: Historical Evidence from the U.S. Newspaper Industry

By: K. Francis Park, Robert Seamans and Feng Zhu

We examine how heterogeneity in customers’ tendencies to single-home or multi-home affects a platform’s competitive responses to new entrants in the market. We first develop a formal model to generate predictions about how a platform will respond. We then empirically... View Details

Keywords: Single-homing; Multi-homing; Platform Responses; Newpaper; Television; Digital Platforms; Market Entry and Exit; Newspapers; Television Entertainment; History; Journalism and News Industry; Media and Broadcasting Industry

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January 2017
Case

Expanding Ecommerce at Technos

By: Thales Teixeira, Rohit Deshpandé, Ruth Costas and Priscilla Zogbi

Technos was the market leader in the Brazilian watch market. Its CEO had made a firm commitment to evolve the company’s marketing and commercial practices by focusing less on pushing product to retail clients and more on branding to end consumers to pull watches from... View Details

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

September 2000 (Revised October 2006)
Teaching Note

Wildfire Communications, Inc. (A) and (B) (TN)

By: Joseph B. Lassiter III and John T. Gourville

Teaching Note for (9-396-305) and (9-396-306). View Details

Keywords: Business Startups; Performance Effectiveness; Business Processes; Digital Platforms; Business Strategy; Markets

February 2022
Case

Cleveland Clinic Abu Dhabi: Leading Through the Fog of the COVID-19 Pandemic

By: Linda A. Hill and Emily Tedards

As COVID-19 began to take lives, destroy healthcare systems, and shut down economies across the globe, Dr. Rakesh Suri, Chief Executive Officer of Cleveland Clinic Abu Dhabi, and his executive team adapted their leadership to instill the new levels of agility and... View Details

18 Jul 2017
First Look

First Look at New Research and Ideas, July 18, 2017

enterprise to address industry changes. In early 2016, following a reorganization, he faced questions of how to change the culture and use digital capabilities more effectively than competitors. Lévy turned to millennials within the... View Details

Keywords: Sean Silverthorne

17 Sep 2001
Research & Ideas

Why E-commerce Didn’t Die With the Fall of Webvan

case was taught, the general consensus was that the economics of the business were very shaky. Q: How so? A: There were two parts to the economics. You could say there was the part of the business that ran in the digital world and there... View Details

Keywords: by Martha Lagace; Consumer Products; Retail

05 Nov 2024
Book

Building the Road to 'Small Business Utopia' with AI and Fintech

of a portal from which the business owner could operate all their financial activities? What if this intelligent platform knew when the business might need credit and could offer relevant options which were prequalified? And better yet, what if the platform came with a... View Details

Keywords: by Karen G. Mills; Financial Services

28 Oct 2015
Research & Ideas

A Dedication to Creation: India's Ad Man Ranjan Kapur

the General Management Program at Harvard Business School. In the discussion, conducted last August in Mumbai, Kapur reflects on some 50 years in the advertising industry, starting in the “Mad Men” era of the 1960s, experiencing the dawn of the View Details

Keywords: by Sean Silverthorne; Advertising

October 2023 (Revised January 2024)
Case

SEK: Reimagining Spanish Higher Education at Universidad Camilo José Cela (UCJC)

By: John J-H Kim, Mary C. Sauer and Emilie Billaud

In 2023, Nieves Segovia, President of the SEK Education Group in Spain, contemplates the future of her family's for-profit education company, which includes K-12 schools and the newly established UCJC university. Renowned for its innovation in education, SEK faces... View Details

Keywords: Family Business; Curriculum and Courses; Higher Education; Teaching; Digital Strategy; Disruptive Innovation; Knowledge Dissemination; Leading Change; Growth and Development Strategy; Management Succession; Resource Allocation; Organizational Structure; Education Industry; Europe; Spain

November 2022 (Revised March 2023)
Supplement

JUUL and the Vaping Revolution: A 2022 Update

By: Michael W. Toffel and Sarah Mehta

This slide deck provides a brief update (2019-2022) on the rise and fall of JUUL Labs, the maker of the popular JUUL e-cigarette. View Details

November 2022 (Revised March 2023)
Supplement

JUUL and the Vaping Revolution: A 2022 Update

By: Michael W. Toffel and Sarah Mehta

This case provides a brief update (2019-2022) on the rise and fall of JUUL Labs, the maker of the popular JUUL e-cigarette. View Details

December 2012 (Revised October 2022)
Case

Plastiq

By: Jeffrey J. Bussgang, Gaurav Jain, Liroy Haddad, Luke Langford and Matt Noble

The young CEO of a venture-backed startup needs to figure out his go to market strategy and the right profile for his first key sales hires. Should he develop partnerships with channels that would provide leverage or build out a direct sales force? And should the sales... View Details

Keywords: Payments; Sales; Channels; Credit Cards; Digital Platforms; Selection and Staffing; Cost vs Benefits; Salesforce Management; Marketing Channels; Business Startups; Business Strategy; Marketing Strategy; Partners and Partnerships; Management Systems

March–April 2017
Article

What's the Value of a Like?: Social Media Endorsements Don't Work the Way You Might Think

By: Leslie John, Daniel Mochon, Oliver Emrich and Janet Schwartz

Brands spend billions of dollars a year on lavish efforts to establish and maintain a social media presence. But do those campaigns actually increase revenue? New research provides an answer to this question, which has vexed marketers ever since social media burst upon... View Details

Keywords: Social and Collaborative Networks; Consumer Behavior; Marketing Strategy; Digital Marketing; Social Media

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November 2014
Case

Taryn Rose Launches Dresr: Street Marketing a Luxury Brand

By: Lena G. Goldberg, Marcel Saucet and Christine Snively

Serial entrepreneur and shoe designer Taryn Rose, M.D., prepared to launch a new e-commerce platform, Dresr, which would connect shoppers with tastemakers online. Dresr would bring the service element found in brick and mortar luxury stores into the online shopping... View Details

Keywords: E-commerce; Online Platforms; Online Marketing; Footwear; Legal Aspects Of Business; Street Marketing; Entrepreneurship; Internet and the Web; Luxury; Marketing Strategy; Digital Platforms; Legal Liability; Fashion Industry; Technology Industry

14 Oct 2002
Research & Ideas

The Widening Rift Between Corporations and Society

grasping the revolutionary potential of the new digital medium. As a result, corporations have failed to adapt to the true nature of their markets in the twenty-first century. Organizational change programs, visionary leadership, or... View Details

Keywords: by Martha Lagace

July 2011 (Revised September 2011)
Case

Game Time Decision for AppDirect

By: Andrei Hagiu, Laura Arjona and Emily Zhang

AppDirect is a start-up that offers small businesses software-as-a-service solutions through a business app marketplace and portal. Daniel Saks, co-founder and co-CEO, is faced with the key question of deciding distribution strategy: should AppDirect find channel... View Details

Keywords: Digital Platforms; Distribution; Applications and Software; Innovation Strategy; Entrepreneurship; Business Growth and Maturation; Competitive Strategy; Information Technology Industry; United States