Publications
Publications
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(1,922)
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- Research (1,126)
- Events (7)
- Multimedia (9)
- Faculty Publications (486)
- 2017
- Working Paper
Threat of Platform-Owner Entry and Complementor Responses: Evidence from the Mobile App Market
By: Feng Zhu
We examine how app developers on the Android mobile platform adjust their innovation efforts (rate and direction) and value-capture strategies in response to Google’s entry threat and actual entry into their markets. We find that, after Google’s entry threat increases,... View Details
- April 2023
- Case
Twitter: The Freedom to Speak Freely and Be Heard
By: Randolph B. Cohen, Carin-Isabel Knoop and Mel Martin
In April 2022, serial entrepreneur Elon Musk announced that he would be interested in purchasing the social media site Twitter for $44 billion. With more than 100 million twitter followers, Musk had historically leveraged the site to engage with the customers of his... View Details
- 2023
- Working Paper
Firm Visibility and Acquisition Likelihood: Evidence from Seeking Alpha Coverage
By: Pu Gu, Benjamin Yost and Yuan Zou
This study investigates whether social media coverage influences a firm’s likelihood of being acquired. Specifically, we hypothesize that coverage of a firm on the Seeking Alpha platform raises its visibility to potential acquirers and M&A advisers (i.e., investment... View Details
- May 2025
- Case
Boutiqaat: Influencing Retail in MENA
By: Juan Alcacer and Noor Al Qadhi
Boutiqaat, a Kuwait-based e-commerce platform, scaled an influencer-driven beauty retail model across MENA and now faces critical strategic choices about offline expansion and globalization. Founded in 2015, Boutiqaat combined social commerce, localized logistics, and... View Details
- 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
- July 2017
- Case
Magpie: Developing and Using Buyer Personas
By: Frank V. Cespedes
The founders of a start-up platform for publishers have developed preliminary personas of target customers and are evaluating the implications for initial target buyers, messaging, and marketing programs. The case is useful for discussing the process of developing... View Details
- September 2012 (Revised May 2013)
- Case
Automating the Paris Subway (A)
By: Michel Anteby, Elena Corsi and Emilie Billaud
In 2001, the head of the Paris Subway reflected on how to transform Line 1 into a driverless line without triggering a social conflict. After the shock of the 2000 Notre Dame de Lorette subway accident, in which a train derailed and caused 25 injuries in a Paris subway... View Details
- 15 Nov 2022
- Op-Ed
Why TikTok Is Beating YouTube for Eyeball Time (It’s Not Just the Dance Videos)
users, it holds them for 74 minutes each day. Among social media, the average Facebook session is half as long, Twitter a third, and Snapchat a quarter. On a mobile phone, the TikTok picks are presented in an endless scroll. And that’s... View Details
Keywords: by John Deighton and Leora Kornfeld
- 10 Jan 2022
- Research & Ideas
How to Get Companies to Make Investments That Benefit Everyone
solutions in a new Stanford Social Innovation Review article, The Problem of Social Benefit. “We talk less about how we can encourage positive spillovers.” A virtuous cycle of View Details
Keywords: by Lane Lambert
- Research Summary
When Cultural Worlds Collide: Investigating the Cross-Cultural Multiple Audience Problem
Today, many individuals have social networks that span cultural boundaries. For example, you may have a network of colleagues in China, friends and family in the U.S., and a group of childhood friends in Greece. Chances are, you are probably comfortable interacting... View Details
- December 2023
- Case
TikTok: The Algorithm Will See You Now
By: Shikhar Ghosh and Shweta Bagai
In a world where attention is a scarce commodity, this case explores the meteoric rise of TikTok—an app that transformed from a niche platform for teens into the most visited domain by 2021—surpassing even Google. Its algorithm was a sophisticated mechanism for... View Details
- 27 Jul 2020
- Blog Post
HBS Summer Fellows Respond to COVID-19
The HBS Summer Fellowship Program provides an opportunity for students to develop skills and knowledge while having significant responsibility and high impact. This summer, HBS is supporting a record 162 Social Enterprise Summer Fellows,... View Details
- August 2020 (Revised June 2021)
- Case
Just Arrived: Integrating Refugees in Sweden
By: Brian Trelstad, Emilie Billaud and Mette Fuglsang Hjortshoej
Just Arrived is an online platform that matches newly-arrived immigrants in Sweden with employment opportunities. As one of several for-profit and non-profit start-ups in Europe that is looking to address the refugee crisis, the case enables a comparative analysis of... View Details
- March 2013
- Teaching Note
Automating the Paris Subway (TN) (A) & (B)
By: Michel Anteby and Ayn Cavicchi
In 2001, the head of the Paris Subway reflected on how to transform Line 1 into a driverless line without triggering a social conflict. After the shock of the 2000 Notre Dame de Lorette subway accident, in which a train derailed and caused 25 injuries in a Paris subway... View Details
- 2010
- Chapter
Business Groups in Historical Perspectives
By: Geoffrey Jones and Asli M. Colpan
Business groups-collections of legally independent firms interconnected by multiple economic and social linkages that exhibit widely diversified product portfolios-are viewed as the prototypical large-enterprise form in contemporary emerging economies. By exploring the... View Details
- November 2024 (Revised April 2025)
- Case
Cheerful Music
By: Shunyuan Zhang, Feng Zhu and Nancy Hua Dai
Established by Snow Jiang in 2019 in Shenzhen, China, Cheerful Music was a record label company that had created many hit songs in China. “Yi Xiao Jiang Hu,” its most famous hit song, gained billions of views on social media platforms in China and overseas as the... View Details
- 2021
- Working Paper
First Law of Motion: Influencer Video Advertising on TikTok
By: Jeremy Yang, Juanjuan Zhang and Yuhan Zhang
This paper engineers an intuitive feature that is predictive of the causal effect of influencer video advertising on product sales. We propose the concept of m-score, a summary statistic that captures the extent to which a product is advertised in the most engaging... View Details
- January 2022
- Teaching Plan
Just Arrived: Integrating Refugees in Sweden
By: Brian Trelstad and Emilie Billaud
Teaching Plan for HBS Case No. 321-040. Just Arrived is an online platform that matches newly-arrived immigrants in Sweden with employment opportunities. As one of several for-profit and non-profit start-ups in Europe that is looking to address the refugee crisis, the... View Details
- March 2009 (Revised June 2012)
- Case
Denmark: Globalization and the Welfare State
By: Arthur A. Daemmrich and Benjamin Kramarz
This case describes how Denmark has balanced the impacts of globalization, including outsourcing and movement of labor, with its social welfare offerings. Reforms implemented during the past two decades drove down unemployment, promoted new company formation, and put... View Details