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July 1991 (Revised October 1995)
Case

KPMG Peat Marwick: The Shadow Partner

By: Robert G. Eccles Jr.

KPMG Peat Marwick executives needed to decide whether to fund full development of "The Shadow Partner," the name coined to describe a worldwide information network that would link all KPMG professionals to each other and to a wealth of data bases and information... View Details

Keywords: Information Management; Data and Data Sets; Knowledge Management; Knowledge Use and Leverage; Networks; Partners and Partnerships; Information Technology

June 2018 (Revised October 2018)
Teaching Note

Valuing Snap After the IPO Quiet Period (A), (B), and (C)

By: Marco Di Maggio and Benjamin C. Esty

Teaching Note for HBS Nos. 218-095, 218-096, and 218-116. View Details

January–February 2019
Article

Why Some Platforms Thrive and Others Don't

By: Feng Zhu and Marco Iansiti

In the digital economy, scale is no guarantee of continued success. After all, the same factors that help an online platform expand quickly—such as the low cost of adding new customers—work for challengers too. What, then, allows platforms to fight off rivals and grow... View Details

Keywords: Digital Platforms; Competition; Network Effects; Competitive Strategy

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January 1990 (Revised June 1995)
Case

Colliers International Property Consultants

By: Nitin Nohria

Describes the origins, organizational structure, management practices, and use of information technology (IT) in Colliers, a real estate network. Colliers provides local firms with a way to maintain local autonomy while gaining national and international coverage.... View Details

Keywords: Property; Organizational Structure; Information Technology; Management Practices and Processes; Partners and Partnerships; Business Model; Mission and Purpose; Business Growth and Maturation; Conflict and Resolution; Quality; Real Estate Industry

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April 2008 (Revised May 2010)
Case

Visions of Web 3.0

By: Thomas R. Eisenmann and David Andrew Vivero

Explores the Semantic Web, a vision for the next generation of the World Wide Web in which information is stored in machine-readable formats. While the Semantic Web would make information more easily accessible, barriers to its adoption are very high because website... View Details

Keywords: Business Startups; Entrepreneurship; Strategy; Technology Adoption; Digital Platforms; Internet and the Web

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February 2008 (Revised June 2011)
Background Note

Social Networks: The Portals of Web 2.0

By: Stephen P. Bradley and Nancy Bartlett

Social networks have evolved into influential, compelling and persuasive systems, the portals of Web 2.0 and one of the most powerful media phenomena in 2008. This note provides a brief background and description of various social network sites including MySpace,... View Details

Keywords: Web; Technology; Networks; Information Technology Industry

March 1994 (Revised July 1995)
Case

Lotus Development Corp. in 1994

Jim Manzi, president and CEO of Lotus, must decide whether to position the firm as a provider of network applications or of the architectural programs required to support network applications. The decision will have lasting implications for Lotus's position in both... View Details

Keywords: Information Infrastructure; Competitive Advantage; Applications and Software; Industry Structures; Information Technology Industry

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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

15 Sep 2022
Research & Ideas

Looking For a Job? Some LinkedIn Connections Matter More Than Others

When it comes to seeking a new job, making connections on LinkedIn can be key to landing an offer. But building a large network on the platform isn’t as crucial as cultivating the right kinds of connections, new research shows. While... View Details

Keywords: by Michael Blanding

2012
Article

Friends with Money

By: Christopher Parsons, J. Engelberg and P. Gao

When banks and firms are connected through interpersonal linkages—such as their respective management having attended college or previously worked together—interest rates are markedly reduced, comparable with single shifts in credit ratings. These rate concessions do... View Details

Keywords: Social and Collaborative Networks; Interest Rates; Banking Industry

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2025
Working Paper

Incentive-Compatible Recovery from Manipulated Signals, with Applications to Decentralized Physical Infrastructure

By: Jason Milionis, Jens Ernstberger, Joseph Bonneau, Scott Duke Kominers and Tim Roughgarden

We introduce the first formal model capturing the elicitation of unverifiable information from a party (the "source") with implicit signals derived by other players (the "observers"). Our model is motivated in part by applications in decentralized physical... View Details

Keywords: Mathematical Methods; Infrastructure; Information Infrastructure

2021
Working Paper

Accounting for Product Impact in the Telecommunications Industry

By: George Serafeim and Katie Trinh

We apply the product impact measurement framework of the Impact-Weighted Accounts Initiative (IWAI) in two competitor companies within the telecommunications industry. We design a monetization methodology that allows us to calculate monetary impact estimates of network... View Details

June 2018 (Revised April 2021)
Supplement

Valuing Snap After the IPO Quiet Period

By: Benjamin C. Esty, Marco Di Maggio and Greg Saldutte

June 2018
Supplement

Valuing Snap After the IPO Quiet Period (B)

By: Marco Di Maggio and Benjamin C. Esty

Analyzes Snap’s value and analyst recommendations following the events described in the (A) case. View Details

Article

Advertising, the Matchmaker

By: Bharat N. Anand and Ron Shachar

We empirically study the informational role of advertising in matching consumers with products when consumers are uncertain about both observable and unobserved program attributes. Our focus is on the network television industry, in which the products are television... View Details

Keywords: Advertising; Information; Consumer Behavior; Television Entertainment; Risk and Uncertainty; Product; Decision Choices and Conditions; Advertising Industry

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13 Aug 2007
Working Paper Summaries

Diasporas and Domestic Entrepreneurs: Evidence from the Indian Software Industry

Keywords: by Ramana Nanda & Tarun Khanna; Video Game; Web Services

12 Dec 2023
Research & Ideas

COVID Tested Global Supply Chains. Here’s How They’ve Adapted

operations back from China. The authors examine the effects of these variables between 2017 and 2022, a tumultuous period that put stress on the global economic system. They crunch product-level trade statistics from United Nations Comtrade, as well as View Details

Keywords: by Scott Van Voorhis

February 2023
Case

Ransomware Attack at Springhill Medical Center

By: Suraj Srinivasan and Li-Kuan (Jason) Ni

In July, 2019, Springhill Medical Center (“SMC”) in Mobile, Alabama, fell prey to a malicious ransomware attack that crippled the hospital’s internal network systems and public-facing web page. While the hospital rushed to securely restore the network, medical... View Details

January 2021
Article

Machine Learning for Pattern Discovery in Management Research

By: Prithwiraj Choudhury, Ryan Allen and Michael G. Endres

Supervised machine learning (ML) methods are a powerful toolkit for discovering robust patterns in quantitative data. The patterns identified by ML could be used for exploratory inductive or abductive research, or for post-hoc analysis of regression results to detect... View Details

Keywords: Machine Learning; Supervised Machine Learning; Induction; Abduction; Exploratory Data Analysis; Pattern Discovery; Decision Trees; Random Forests; Neural Networks; ROC Curve; Confusion Matrix; Partial Dependence Plots; AI and Machine Learning

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January 1991 (Revised November 1994)
Case

Black Caucus Groups at Xerox Corp. (A)

In 1970 Xerox had a very progressive affirmative action program yet, once hired, black employees faced serious problems, due both to overt discrimination and to their exclusion from the informal networks of support, information and mentoring that the other salespeople... View Details

Keywords: Prejudice and Bias; Alliances; Race Characteristics; Employees; Consumer Products Industry; Electronics Industry; United States

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