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Article

Active World Model Learning with Progress Curiosity

By: Kuno Kim, Megumi Sano, Julian De Freitas, Nick Haber and Daniel Yamins

World models are self-supervised predictive models of how the world evolves. Humans learn world models by curiously exploring their environment, in the process acquiring compact abstractions of high bandwidth sensory inputs, the ability to plan across long temporal... View Details

Keywords: World Models; Mathematical Methods

June 2016 (Revised January 2018)
Case

Airbnb, Etsy, Uber: Growing from One Thousand to One Million Customers

By: Thales S. Teixeira and Morgan Brown

By 2016, two-sided online platforms (or marketplaces) were pervasive among the highest growing internet startups around. These marketplaces sought to match suppliers of assets for rent, physical products or services with customers demanding them. Among the most notable... View Details

Keywords: Airbnb; Etsy; Uber; Growth Hacking; Two Sided Markets; Digital Platforms; Marketing; Digital Marketing; Growth Management; Service Industry

October 19, 2021
Article

The Facebook Trap

Facebook has a clear mission: Connect everyone in the world. Clarity is good, but in Facebook’s case, it has also put the company in a bind because the mission—and the company’s vision for creating value through network effects—has also become the source of its biggest... View Details

Keywords: Business And Society; Mission and Purpose; Network Effects; Value Creation; Corporate Accountability; Strategy

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April 2015 (Revised June 2020)
Case

Comcast Corporation (A)

By: Sunil Gupta, Henry McGee, Felix Oberholzer-Gee and Margaret L. Rodriguez

In March 2015, the U.S. television industry received a major wake-up call. HBO, a premium cable channel with over 30 million subscribers, had announced it would begin offering a standalone streaming service. This new service would allow customers to bypass the cable... View Details

Keywords: Cable Television; HBO; Industry Evolution; Television Entertainment; Disruption; Business Model; Competitive Strategy; Media and Broadcasting Industry

16 Jan 2020
News

5 Ways Office Design Helps Your Company Navigate Change

2009
Working Paper

Innovation Communication in Multicultural Networks: Deficits in Inter-cultural Capability and Affect-based Trust as Barriers to New Idea Sharing in Inter-cultural Relationships

By: Roy Y.J. Chua and Michael W. Morris

Innovative solutions to pressing global problems require effective inter-cultural communication. We propose that a barrier to the sharing of ideas pertinent to innovation in inter-cultural relationships is low affect-based trust, which arise from individuals' deficits... View Details

Keywords: Interpersonal Communication; Cross-Cultural and Cross-Border Issues; Innovation and Invention; Knowledge Sharing; Trust

2022
Working Paper

Stock Market Stimulus

By: Robin Greenwood, Toomas Laarits and Jeffrey Wurgler

We study the stock market effects of the arrival of the three rounds of “stimulus checks” to U.S. taxpayers and the single round of direct payments to Hong Kong citizens. The first two rounds of U.S. checks appear to have increased retail buying and share prices of... View Details

Keywords: Stock Market; COVID-19 Pandemic; Fiscal Stimulus; Stimulus Payments; Impact; Stocks; System Shocks; Price; Spending; United States; Hong Kong; China

October 2023
Article

Stock Market Stimulus

By: Robin Greenwood, Toomas Laarits and Jeffrey Wurgler

We study the stock market effects of the arrival of the three rounds of “stimulus checks” to U.S. taxpayers and the single round of direct payments to Hong Kong citizens. The first two rounds of U.S. checks appear to have increased retail buying and share prices of... View Details

Keywords: Stock Market; COVID-19 Pandemic; Fiscal Stimulus; Stimulus Payments; Impact; Stocks; System Shocks; Price; Spending; United States; Hong Kong

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June 2004 (Revised May 2005)
Case

World Vision International's AIDS Initiative: Challenging a Global Partnership

By: Christopher A. Bartlett and Daniel F. Curran

After 25 years of building a network of interdependent, national organizations delivering relief and development that are responsive to local needs, World Vision's International office is planning to implement a major global HIV/AIDS initiative that challenges the... View Details

Keywords: Change Management; Decision Choices and Conditions; Globalized Markets and Industries; Governing and Advisory Boards; Management Systems; Networks; Partners and Partnerships; Welfare; Adaptation

April 2009 (Revised November 2012)
Case

Sermo, Inc.

By: Thomas R. Eisenmann and Lars Peter Christian Nielsen

Sermo operates the leading online professional network for physicians in the United States. Doctors use Sermo free of charge to post surveys regarding diagnostic and treatment concerns and to discuss these concerns, as well as challenges with managing their practices.... View Details

Keywords: Entrepreneurship; Health Care and Treatment; Knowledge Sharing; Two-Sided Platforms; Conflict and Resolution; Social and Collaborative Networks; United States

May 2013
Case

Yammer (A)

By: Mikolaj J. Piskorski, Kerry Herman and Aaron Smith

In Spring 2012, Yammer was on track to become a highly successful standalone company. Yammer was a leading Enterprise Social Network (ESN), providing companies a private social network in which employees could collaborate securely and efficiently. However, later that... View Details

Keywords: Information Infrastructure; Opportunities; Applications and Software; Organizational Culture; Problems and Challenges; Management Teams; Integration; Decision Choices and Conditions; Social and Collaborative Networks; Acquisition; Information Technology Industry

March 2020
Case

Maven Clinic: Women's Health in the Digital Age

By: Ariel D. Stern and Sarah Mehta

In late 2017, Kate Ryder, the founder and CEO of digital women’s health telemedicine company Maven Clinic, faced an important decision. Maven offered both a direct to consumer (D2C) product that anyone could use to book virtual appointments with health practitioners... View Details

Keywords: Business Growth and Maturation; Business Model; Business Startups; Entrepreneurship; Health; Health Care and Treatment; Strategy; Information Technology; Applications and Software; Health Industry; Technology Industry; United States

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

Keywords: Influencer Advertising; Video Advertising; Computer Vision; Machine Learning; Advertising; Online Technology

July 2021
Article

Outsourcing Tasks Online: Matching Supply and Demand on Peer-to-Peer Internet Platforms

By: Zoë Cullen and Chiara Farronato

We study the growth of online peer-to-peer markets. Using data from TaskRabbit, an expanding marketplace for domestic tasks at the time of our study, we show that growth varies considerably across cities. To disentangle the potential drivers of growth, we look... View Details

Keywords: Two-sided Market; Two-sided Platforms; Peer-to-peer Markets; Platform Strategy; Sharing Economy; Platform Growth; Internet and the Web; Digital Platforms; Strategy; Market Design; Network Effects

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April 2021 (Revised March 2024)
Case

Social Media War 2021: Snap vs. Facebook vs. TikTok

By: David B. Yoffie and Daniel Fisher

This case explores the competitive war between Snap, Facebook, and TikTok in 2021. The strategic focus is on Snapchat: how should it respond to the emergence of TikTok, and how should it compete with the dominant competitor in its space—Facebook. The case examines... View Details

Keywords: Strategy Development; Competitor Analysis; Strategy; Network Effects; Competitive Strategy; Decision Choices and Conditions; Social Media

May 1994
Background Note

Designing Channels of Distribution

By: V. Kasturi Rangan

Presents a framework and a method for addressing the new product channel choice decision. Offers a six-step method that involves: 1) disaggregating and prioritizing a distribution channel by customers' channel function requirements; 2) obtaining and combining... View Details

Keywords: Distribution Channels; Framework; Cost; Customers; Cost vs Benefits; Management

Teaching Interest

Technology and Operations Management

By: Chiara Farronato

This course is taught in the MBA required curriculum. It provides students with the foundations necessary to be effective operating managers. During the course students learn to analyze decisions that drive the design, planning, and execution of the activities that... View Details

Keywords: Technology; Operations Management; Innovation

29 Apr 2025
HBS Seminar

Magie Cheng & David Huang

Platform Envelopment

Due to network effects and switching costs in platform markets, entrants generally must offer revolutionary functionality. Platform envelopment offers a second entry path: one that does not rely upon Schumpeterian innovation. Examples of successful envelopment... View Details

Article

Corruption and Firms

By: Emanuele Colonnelli and Mounu Prem

We estimate the causal real economic effects of a randomized anti-corruption crackdown on local governments in Brazil using rich micro-data on corruption and firms. After anti-corruption audits, municipalities experience an increase in the number of firms concentrated... View Details

Keywords: Crime and Corruption; Economy; Business and Government Relations; Policy; Brazil

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