Publications

July 2025
Article

Economic Integration and the Transmission of Democracy

By: Marco Tabellini and Giacomo Magistretti

In this paper, we study the effects of economic integration with democratic partners on democracy. We assemble a large country-level panel dataset from 1960 to 2015, and exploit improvements in air, relative to sea, transportation to derive a time-varying instrument... View Details

Keywords: Democratization; Institutional Development; Economic Integration; International Trade; Democracy; Political Preferences; Institutions; Trade; Global Range; Economics; Government and Politics

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July 2012 (Revised July 2014)
Case

Warby Parker: Vision of a 'Good' Fashion Brand

By: Christopher Marquis and Laura Velez Villa

In its third year of existence and poised to double its workforce, Warby Parker attributed its success to an innovative approach in the eyewear industry and to the company culture that supported it. With a mission combining social and business goals, the company had... View Details

Keywords: Entrepreneurship; Innovation; Business And Society; Social Responsiblity; Organizational Behavior; Social Entrepreneurship; Growth Management; Corporate Social Responsibility and Impact; Brands and Branding; Organizational Culture; Marketing Strategy; Innovation and Invention; Apparel and Accessories Industry; Health Industry; United States

May–June 2021
Article

Capturing Value in Platform Business Models that Rely on User-Generated Content

By: Hemang Subramanian, Sabyasachi Mitra and Sam Ransbotham

Business models increasingly depend on inputs from outside traditional organizational boundaries. For example, platforms that generate revenue from advertising, subscription, or referral fees often rely on user-generated content (UGC). But there is considerable... View Details

Keywords: Business Model; Network Effects; Mergers and Acquisitions; Valuation; Risk and Uncertainty

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27 Feb 2023
Research & Ideas

How One Late Employee Can Hurt Your Business: Data from 25 Million Timecards

The retail business is not for the faint of heart. Turning a consistent profit requires navigating many variables, such as hiring capable staff, ordering the right products at the right time, and complying with a litany View Details

Keywords: by Ben Rand; Retail

29 May 2006
What Do You Think?

How Important Is the “Service Sector Effect” on Productivity?

Summing Up Do increases in social sector productivity, which seem to prevail at least in the U.S., benefit consumers at the expense of workers? Or is the scale weighted in favor View Details

Keywords: by James Heskett; Service

May 2024
Article

Design of Off-Grid Lighting Business Models to Serve the Poor: Field Experiments and Structural Analysis

By: Bhavani Shanker Uppari, Serguei Netessine, Ioanna Popescu and Rowan P. Clarke

A significant proportion of the world's population has no access to grid-based electricity and so relies on off-grid lighting solutions. Rechargeable lamp technology is gaining popularity as an alternative off-grid lighting model in developing countries. In this paper,... View Details

Keywords: Technological Innovation; Developing Countries and Economies; Consumer Behavior; Poverty; Logistics; Business Model; Utilities Industry

September–October 2013
Article

The Dynamic Advertising Effect of Collegiate Athletics

By: Doug J. Chung

I measure the spillover effect of intercollegiate athletics on the quantity and quality of applicants to institutions of higher education in the United States, popularly known as the "Flutie Effect." I treat athletic success as a stock of goodwill that decays over... View Details

Keywords: Choice Modeling; Entertainment Marketing; Heterogeneity; Panel Data; Structural Modeling; Rights; Analytics and Data Science; Higher Education; Ethics; Consumer Behavior; Advertising; Sports; Advertising Industry; Education Industry

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March 31, 2023
Article

What Is the Optimal Pattern of a Customer Journey?

By: Julian De Freitas

Even though customer experience (CX) leaders are becoming increasingly focused on optimizing their firms’ customer journeys, they face a clear challenge: Which touchpoints along the journey should they invest in? That is, which moments when the customer interacts with... View Details

Keywords: Consumer Behavior; Customers; Brands and Branding

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February 2005 (Revised November 2016)
Background Note

Forecasting the Adoption of a New Product

By: Elie Ofek

Provides tools and methodologies that allow forecasting demand for innovative new products. Highlights the Bass model—the theory behind it and ways to determine its parameters. Provides a detailed example of how to use the Bass model to forecast demand for satellite... View Details

Keywords: Forecasting and Prediction; Innovation and Invention; Marketing; Demand and Consumers; Mathematical Methods; Competition

November 2016 (Revised April 2018)
Case

reMarkable: e-Writing the Future

By: Elie Ofek and Curtis Hsu

Magnus Wanberg is the creator of reMarkable, a breakthrough e-writer device set apart from similar products on the market by having solved the frustrating “slow ink” problem typically experienced on pen-based electronic devices, thus providing a “pen and paper” like... View Details

Keywords: Entrepreneurial Marketing; Innovation Management; Go To Market Strategy; Marketing Plan; Target Market; Digital Devices; Consumer Electronics; Forecasting; Information Technology; Marketing Strategy; Innovation and Management; Marketing Channels; Entrepreneurship; Forecasting and Prediction; Product Marketing; Product Development; Electronics Industry

19 Mar 2021
Working Paper Summaries

Assessing the Strength of Network Effects in Social Network Platforms

Keywords: by Marco Iansiti

November 2008 (Revised August 2010)
Case

Whole Foods Acquires Wild Oats (A)

Examines the implications of Whole Foods' CEO's anonymous message board postings including its potential impact on the company's proposed merger with Wild Oats. View Details

Keywords: Forms of Communication; Acquisition; Communication Strategy; Retail Industry; Food and Beverage Industry

17 Mar 2011
Research & Ideas

Harvard Business School Faculty Comment on Crisis in Japan

aftermath of Japan's 3/11 tragedy. But even as we focus on immediate human needs, we cannot avoid recognizing--and coping with--the long economic shadow cast by this disaster. The direct View Details

Keywords: Re: Multiple Faculty

23 Feb 2021
Research & Ideas

COVID-19 Shines New Light on Working Conditions in Supply Chains

more than 20 years, the devastation in meatpacking is just one example of how lax regulation can make a grave situation deadly. The lack of safety guidance from the US... View Details

Keywords: by Danielle Kost; Apparel & Accessories

July 2023 (Revised May 2024)
Case

Vytal: Packaging-as-a-Service

By: George Serafeim, Michael W. Toffel, Lena Duchene and Daniela Beyersdorfer

The Germany-based startup Vytal operated the largest digital-native reusable packaging-as-a-service network globally, having raised nearly €15 million, established a large network of restaurant partners, and prevented the use of millions of single-use take-out food... View Details

12 Dec 2012
Research & Ideas

Power to the People: The Unexpected Influence of Small Coalitions

Harvard Business School Professor J. Gunnar Trumbull balks at the ubiquitous idea that the concentrated power of a few billionaires controls public policy and government regulation. Exaggeration of the View Details

Keywords: by Kim Girard

April 2009
Case

GSK's Acquisition of Sirtris: Independence or Integration?

By: Toby E. Stuart and James Weber

An executive from pharmaceutical company GSK must choose how much to integrate a recently acquired biotechnology firm, Sirtris. Moncef Slaoui, GSK's global head of R&D, championed the acquisition of Sirtris to gain access to its potentially revolutionary science.... View Details

Keywords: Mergers and Acquisitions; Resource Allocation; Organizational Change and Adaptation; Organizational Culture; Organizational Structure; Research and Development; Science-Based Business; Integration