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Show Results For
- All HBS Web
(4,986)
- People (32)
- News (1,154)
- Research (2,338)
- Events (31)
- Multimedia (55)
- Faculty Publications (1,656)
- Research Summary
Overview
By: Feng Zhu
Professor Zhu’s research focuses on the design of platform business models and its impact on platform performance. Platforms have become central to our economy. A platform is a product or service that enables two or more customer groups to interact. For example,... 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
Serafeim, George, Siko Sikochi, and Namrata Arora. "KOKO Networks: Bridging Energy Transition and Affordability with Carbon Financing." Harvard Business School Case 124-022, October 2023. (Revised March 2024.)
- 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
- 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
Maber, David A., Boris Groysberg, and Paul M. Healy. "An Empirical Examination of Sell-Side Brokerage Analysts' Published Research, Concierge Services, and High-Touch Services." European Accounting Review 30, no. 4 (2021): 827–853.
- 2013
- Article
Boardroom Centrality and Firm Performance
By: David F. Larcker, Eric C. So and Charles C.Y. Wang
Firms with central or well-connected boards of directors earn superior risk-adjusted stock returns. Initiating a long position in the most central firms and a short position in the least central firms earns an average risk-adjusted return of 4.68% per year. Firms with... View Details
Larcker, David F., Eric C. So, and Charles C.Y. Wang. "Boardroom Centrality and Firm Performance." Journal of Accounting & Economics 55, nos. 2-3 (April–May 2013): 225–250.
- 2008
- Working Paper
The Small World of Investing: Board Connections and Mutual Fund Returns
By: Lauren Cohen, Andrea Frazzini and Christopher J. Malloy
This paper uses social networks to identify information transfer in security markets. We focus on connections between mutual fund managers and corporate board members via shared education networks. We find that portfolio managers place larger bets on firms they are... View Details
Keywords: Asset Pricing; Investment Portfolio; Governing and Advisory Boards; Knowledge Sharing; Knowledge Use and Leverage; Social and Collaborative Networks; Financial Services Industry
Cohen, Lauren, Andrea Frazzini, and Christopher J. Malloy. "The Small World of Investing: Board Connections and Mutual Fund Returns." Harvard Business School Working Paper, No. 08-055, January 2008. (Winner of the Barclays Global Investors Award, Best Paper in Asset Pricing, European Finance Association 2007.)
- March 2008
- Supplement
Carlyle Japan (C)
By: David B. Godes, Masako Egawa and Mayuka Yamazaki
This is a supplement to the (A) and (B) cases. It documents the shift in Carlyle's networking strategy. The firm decreased its focus on building contacts in commercial banking an increased instead the focus on building more contacts with industry directly. View Details
Keywords: Private Equity; Banks and Banking; Investment; Growth and Development Strategy; Supply and Industry; Networks; Japan
Godes, David B., Masako Egawa, and Mayuka Yamazaki. "Carlyle Japan (C)." Harvard Business School Supplement 508-094, March 2008.
- 5:30 PM – 8:30 PM EDT, 09 Apr 2019
- Career Events
What's Next in My Life?
Do you see change ahead on your horizon, and you're not sure how to quite put it all together? Join this hands-on, two-hour workshop where you will learn frameworks for life and career planning, consider work and life dimensions to help create your next chapter and... View Details
- 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
Hardymon, G. Felda, Josh Lerner, and Ann Leamon. "3i Group plc." Harvard Business School Case 803-020, March 2003. (Revised November 2003.)
- 2013
- Working Paper
Testing Coleman's Social-Norm Enforcement Mechanism: Evidence from Wikipedia
By: Mikolaj J. Piskorski and Andreea Gorbatai
Since Durkheim, sociologists have believed that dense network structures lead to fewer norm violations. Coleman (1990) proposed one mechanism generating this relationship and argued that dense networks provide an opportunity structure to reward those who punish norm... View Details
Keywords: Governance Compliance; Governance Controls; Governing Rules, Regulations, and Reforms; Information Publishing; Social and Collaborative Networks; Social Issues; Societal Protocols
Piskorski, Mikolaj J., and Andreea Gorbatai. "Testing Coleman's Social-Norm Enforcement Mechanism: Evidence from Wikipedia." Harvard Business School Working Paper, No. 11-055, December 2010. (Revised September 2011, March 2013.)
- 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
Wu, Andy, David R. Clough, and Sasha Kaletsky. "Nascent Platform Strategy: Overcoming the Chicken-or-Egg Problem." Harvard Business School Module Note 719-507, May 2019. (Revised March 2022.)
- 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
Eisenmann, Thomas R., and Christina L. Darwall. "Sigma Networks, Inc." Harvard Business School Case 802-103, November 2001.
- 02 Jan 2008
- Research & Ideas
Most Popular Stories 2007
Sometimes a valuable customer may be the person who never buys a thing. In a new research paper, Professor Sunil Gupta discusses how to assess the profitability of a customer in a networked setting—a "free" customer who... View Details
Keywords: by Sean Silverthorne
- 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
"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
- 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
- 13 Aug 2007
- Working Paper Summaries
Diasporas and Domestic Entrepreneurs: Evidence from the Indian Software Industry
- 2007
- Working Paper
Modularity, Transactions, and the Boundaries of Firms: A Synthesis
This paper constructs a unified theory of the location of transactions and the boundaries of firms. It proposes that systems of production can be viewed as networks of tasks. Transactions, defined as mutually agreed-upon transfers with compensation, are located... View Details
Keywords: Geographic Location; Market Entry and Exit; Market Transactions; Industry Structures; Production; Boundaries; Theory
Baldwin, Carliss Y. "Modularity, Transactions, and the Boundaries of Firms: A Synthesis." Harvard Business School Working Paper, No. 08-013, September 2007.