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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Profile

Lara Hodgson

Lara O’Connor Hodgson thought she’d found the entrepreneurial dream while running Nourish, the successful startup she launched in 2009. But it was Nourish’s very success that triggered Hodgson’s next and even more successful venture, NOWaccount View Details

October 2023 (Revised March 2024)
Case

KOKO Networks: Bridging Energy Transition and Affordability with Carbon Financing

By: George Serafeim, Siko Sikochi and Namrata Arora

The problem was massive: two million hectares of African forests were lost annually to charcoal production for cooking, an area equivalent to 13 times Greater London, resulting in one billion tons of carbon emissions yearly. At the same time, an estimated 700,000... View Details

Keywords: Clean Tech; Digital; Carbon Credits; Carbon Offsetting; Climate Change; Entrepreneurship; Energy Sources; Environmental Sustainability; Health; Market Design; Business Startups; Transition; Environmental Regulation; Policy; Energy Industry; Consumer Products Industry; Africa; Kenya; Rwanda

November 2007 (Revised September 2010)
Background Note

The Rong Family: A Chinese Business History

By: Elisabeth Koll

Provides the complex historical background to understanding the development of family businesses in China from the late 19th century to the present. Using the example of the Rong family, China's most prominent industrialist family in pre-1949 China, analyzes the... View Details

Keywords: Family Business; Business History; Organizational Change and Adaptation; Organizational Structure; Alliances; Business and Government Relations; Social and Collaborative Networks; China

May 2019 (Revised March 2022)
Module Note

Nascent Platform Strategy: Overcoming the Chicken-or-Egg Problem

By: Andy Wu, David R. Clough and Sasha Kaletsky

This note provides a framework for addressing the classic chicken-or-egg dilemma facing entrepreneurs launching nascent multi-sided platforms. There are several conditions that lead to a difficult chicken-or-egg problem: strong network effects, high multi-homing costs,... View Details

Keywords: Multi-Sided Platforms; Strategy; Entrepreneurship; Market Entry and Exit; Problems and Challenges; Competitive Advantage

November 2001
Case

Sigma Networks, Inc.

By: Thomas R. Eisenmann and Christina L. Darwall

Sigma Networks, a venture capital-based telecommunications start-up, provides metropolitan area networks (MANs) that use fiberoptic lines to connect local Internet service providers (e.g., ISPs, hosting firms) with a long-haul ("backbone") network. MANs represent a... View Details

Keywords: Business Startups; Customers; Capital Budgeting; Venture Capital; Strategic Planning; Technology Networks; Telecommunications Industry

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17 Aug 2021
Blog Post

New Associate Director: Courtney Fairbrother

BEI recently named Courtney Fairbrother as the new Associate Director. Courtney manages student and alumni engagement and creates networks and opportunities that encourage these groups to address climate change. She also oversees the... View Details

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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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

2019
Book

The Business of Platforms: Strategy in the Age of Digital Competition, Innovation, and Power

By: Michael A. Cusumano, Annabelle Gawer and David B. Yoffie

The Business of Platforms explores the strategic, economic, and technology management challenges of digital platform businesses. We have five major themes in the book: 1) The world’s most valuable companies are all platforms, in part because platforms have... View Details

Keywords: Strategy; Technology; Platform; Internet and the Web; Management; Competitive Strategy; Digital Platforms

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

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

29 May 2001
Research & Ideas

Race Does Matter in Mentoring

In a three-year research project, I studied the career trajectories of minority and white professionals at three major U.S. corporations. The story of one of the participants—Stephen Williams—sheds light on many of the differences in career advancement between whites... View Details

Keywords: by David A. Thomas

03 Nov 2014
News

Anita Elberse, Harvard Business School

February 2022
Teaching Note

AptDeco: Circular Economy Furniture Marketplace

By: Ayelet Israeli

Teaching Note for HBS Case No. 521-069. AptDeco, a used furniture marketplace, was growing rapidly in the tri-state area. The co-founders were confident that the business model, financial position, and unit economics positioned AptDeco for scaling in the massive $120... View Details

Keywords: E-Commerce Strategy; Mobile; Word-of-Mouth; Word Of Mouth; Word-of-mouth Marketing; Internet Marketing; Growth Strategy; Platform; Platforms; Two Sided Markets; Two-sided Market; Two-sided Marketplace; Two-Sided Markets; Two-sided Network; Black Entrepreneurs; Black Leadership; African Americans; African-American Protagonist; Circular; Peer-to-peer Markets; Furniture Industry; Growth Hacking; Monetization Strategy; Growth Management; Marketing Strategy; Entrepreneurship; Digital Platforms; Marketing Channels; Digital Marketing; Consumer Behavior; Acquisition; Retention; Growth and Development Strategy; Customer Focus and Relationships; Expansion; Brands and Branding; E-commerce; Retail Industry; Consumer Products Industry; Technology Industry; Web Services Industry; United States; North America; New York (city, NY); New York (state, US)