Publications

2021
Article

An Empirical Examination of Sell-Side Brokerage Analysts' Published Research, Concierge Services, and High-Touch Services

By: David A. Maber, Boris Groysberg and Paul M. Healy

This paper uses a proprietary panel dataset to categorize and quantify the activities that sell-side brokerage analysts use to build and sustain their network of buy-side client relations. We then examine the marginal impact of these activities on key analyst outcome... View Details

Keywords: Sell-side Analysts; Analyst Ratings; Brokerage Commissions; Earnings Forecasts

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September 1996 (Revised November 1999)
Case

GLSTN 1996

By: James E. Austin, Willis M. Emmons III and David Maue

The Gay, Lesbian, and Straight Teachers Network (GLSTN), which aims to create respect for all within schools regardless of sexual orientation, faces significant challenges stemming from its rapid growth into a 30-chapter national organization. Issues include... View Details

Keywords: Organizational Culture; Problems and Challenges; Leadership; Networks; Policy; Change Management; Nonprofit Organizations; Leadership Development; Growth Management; Organizational Change and Adaptation; Education 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

18 Apr 2022
News

Musk Is ‘Going to Take a Machete’ to the Twitter We Know Today, Says Harvard’s Tsedal Neeley

31 Aug 2017
Video

Perfecting Your Pitch

March 1998 (Revised October 2001)
Case

Xedia and Silicon Valley Bank (A)

By: Paul A. Gompers and Jon Biotti

Xedia, a networking equipment manufacturer that helps provide high-speed Internet service for corporate clients through access routing, wants a bridge loan to fund daily operations until it raises its next round of equity financing. View Details

Keywords: Venture Capital; Equity; Financing and Loans; Negotiation; Production; Internet; Banking Industry

Clubs

Entrepreneurship Club

Keywords: Technology; Entrepreneurship

Video

Kathleen McCartney presents "Not a Cloister—An Intervention: Women's Colleges and the Project of Gender Equality

Research Summary

Dynamics of Platform Competition: Exploring the Role of Installed Base, Platform Quality and Consumer Expectations

Researchers debate the role of installed base, platform quality and consumer expectations in driving the success of platforms. We analyze these three factors in a dynamic model where a new entrant with superior quality competes with an incumbent platform, and... View Details

March 2008
Supplement

Carlyle Japan (B)

By: David B. Godes, Masako Egawa and Mayuka Yamazaki

This is a supplement to the (A) case. It shows that the networks that the firm had been investing in-- commercial banks--were becoming less and less valuable over time. Given this, Tamotsu Adachi must think about how to go about building a new set of networks. View Details

Keywords: Private Equity; Commercial Banking; Investment; Networks; Value; Japan

July 2024
Technical Note

What Is AI?

By: Michael Parzen and Jo Ellery

This note discusses definitions of artificial intelligence and covers the broad types of learning used in training AI, as well as explaining in detail how neural networks are built, trained, and used. View Details

Keywords: AI and Machine Learning

09 Apr 2025
HBS Seminar

Marc Rysman, Boston University

March 2003 (Revised November 2003)
Case

3i Group plc

By: G. Felda Hardymon, Josh Lerner and Ann Leamon

Brian Larcombe, CEO of 3i Group, one of the world's largest private equity firms and one of the few publicly listed ones, is deciding how best to use his firm's international network to deliver superior returns to shareholders. This case presents 3i's history and... View Details

Keywords: Business History; Networks; Private Equity; Growth Management; Global Strategy; Public Ownership; Business and Shareholder Relations; Growth and Development Strategy; Financial Services Industry

Research Summary

PAPERS AND BOOKS IN PROGRESS:

"Social Networks in Republican Shanghai," edited conference volume with Nara Dillion.

"Equity Shares as Political Payoff: Property Rights Reform in Chinese Firms," ms. 2005

"Pathways of Development: The Uncertain... View Details

04 Mar 2019
News

The Strategy Question at the Center of Lyft’s IPO

Clubs

Women in Investing Club

Keywords: Affinity; Venture Capital / Private Equity / LBO

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

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March 2009 (Revised May 2011)
Case

The Credit Suisse/Gerson Lehrman Group Alliance

By: Robert G. Eccles and Laura Winig

The equity research department of Credit Suisse and the expert network firm of Gerson Lehrman Group, historically competitors, have established a strategic alliance which both believe will give them a competitive advantage. Under the leadership of its head of equity... View Details

Keywords: Business Model; Financial Crisis; Investment Banking; Innovation and Invention; Alliances; Social and Collaborative Networks; Competitive Advantage; Banking Industry