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- All HBS Web (59)
- Faculty Publications (12)
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- November 2019
- Article
The Relevance of Broker Networks for Information Diffusion in the Stock Market
By: Marco Di Maggio, Francesco Franzoni, Amir Kermani and Carlo Sommavilla
This paper shows that the network of relationships between brokers and institutional investors shapes information diffusion in the stock market. We exploit trade-level data to show that central brokers gather information by executing informed trades, which is then...
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Keywords:
Broker Networks;
Institutional Investors;
Asset Prices;
Business and Shareholder Relations;
Institutional Investing;
Information;
Knowledge Dissemination;
Financial Markets;
Asset Pricing
Di Maggio, Marco, Francesco Franzoni, Amir Kermani, and Carlo Sommavilla. "The Relevance of Broker Networks for Information Diffusion in the Stock Market." Journal of Financial Economics 134, no. 2 (November 2019): 419–446.
- Forthcoming
- Article
Collusion in Brokered Markets
By: John William Hatfield, Scott Duke Kominers and Richard Lowery
High commissions in the U.S. residential real estate agency market present a puzzle for economic theory because brokerage is not a concentrated industry. We model brokered markets as a game in which agents post prices for customers and then choose which other agents to...
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Keywords:
Real Estate Agents;
Real Estate;
Realtors;
Broker Networks;
Brokerage;
Brokerage Commissions;
"Brokerage Industry;
Brokered Markets;
Brokering;
Brokers;
Industrial Organization;
Repeated Game Framework;
"Repeated Games";
Collusion;
Antitrust;
Microeconomics;
Market Design;
Theory;
Game Theory;
Real Estate Industry
Hatfield, John William, Scott Duke Kominers, and Richard Lowery. "Collusion in Brokered Markets." Journal of Finance (forthcoming).
The Relevance of Broker Networks for Information Diffusion in the Stock Market
This paper shows that the network of relationships between brokers and institutional investors shapes the information diffusion in the stock market. We exploit trade-level data to show that trades channeled through central brokers earn significantly positive...
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- 24 Apr 2014
- News
Digital ID network empowers individuals, disrupts the data brokers
disadvantage of the Internet has been a lack of trust. We are creating trust and disrupting data brokers by providing individuals with a medium that provides them with control over the use of their personal data.” says Hall. ID.me was...
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- January 2020
- Case
Lunchclub: Algorithmic Networking
By: Scott Duke Kominers and George Gonzalez
Algorithmic networking startup Lunchclub coordinates in-person meetings between professionals who would have been unlikely to meet. The company faces marketplace design, growth, and monetization challenges: The executive team has to refine Lunchclub's marketplace...
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Keywords:
Monetization Strategy;
Networking;
Business Startups;
Marketplace Matching;
Market Design;
Growth and Development Strategy;
Information Industry
Kominers, Scott Duke, and George Gonzalez. "Lunchclub: Algorithmic Networking." Harvard Business School Case 820-051, January 2020.
- 17 Jul 2017
- Working Paper Summaries
The Relevance of Broker Networks for Information Diffusion in the Stock Market
- Article
The Value of Intermediation in the Stock Market
By: Marco Di Maggio, Mark Egan and Francesco Franzoni
We estimate a structural model of broker choice to quantitatively decompose the value that institutional investors attach to broker services. Studying over 300 million institutional equity trades, we find that investors are sensitive to both explicit and implicit...
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Keywords:
Financial Intermediation;
Institutional Investors;
Research Analysts;
Broker Networks;
Equity Trading;
Institutional Investing
Di Maggio, Marco, Mark Egan, and Francesco Franzoni. "The Value of Intermediation in the Stock Market." Journal of Financial Economics 145, no. 2A (August 2022): 208–233.
- 2021
- Working Paper
The Value of Intermediation in the Stock Market
By: Marco Di Maggio, Mark Egan and Francesco Franzoni
We estimate a structural model of broker choice to quantitatively decompose the value that institutional investors attach to broker services. Studying over 300 million institutional equity trades, we find that investors are sensitive to both explicit and implicit...
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Keywords:
Financial Intermediation;
Institutional Investors;
Research Analysts;
Broker Networks;
Equity Trading;
Institutional Investing;
Financial Services Industry
Di Maggio, Marco, Mark Egan, and Francesco Franzoni. "The Value of Intermediation in the Stock Market." Harvard Business School Working Paper, No. 20-016, August 2019. (Revised June 2021. Accepted at the Journal of Financial Economics.)
- 03 Jun 2010
- Working Paper Summaries
Platforms and Limits to Network Effects
- 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....
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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
Nohria, Nitin. "Colliers International Property Consultants." Harvard Business School Case 490-049, January 1990. (Revised June 1995.)
- 2015
- Working Paper
Client Service, Compensation, and the Sell-Side Analyst Objective Function: An Empirical Analysis of Relational Incentives in the Investment-Research Industry
By: David A. Maber, Boris Groysberg and Paul M. Healy
This paper investigates how sell-side analysts build and sustain their client networks; the economic gains to successfully managing this challenge; and the metrics through which these incentives are delivered. In a typical semiannual period, the average analyst...
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Keywords:
Networks;
Measurement and Metrics;
Operations;
Customer Focus and Relationships;
Jobs and Positions
Maber, David A., Boris Groysberg, and Paul M. Healy. "Client Service, Compensation, and the Sell-Side Analyst Objective Function: An Empirical Analysis of Relational Incentives in the Investment-Research Industry." Working Paper, 2015.
- 20 Jun 2017
- News
Bank Relationships and Index Rules
- September 2007
- Article
Collaborative Brokerage, Generative Creativity, and Creative Success
Analyzing data on utility patents from 1975 to 2002 in the careers of 35,400 collaborative inventors, this study examines the influence of brokered versus cohesive collaborative social structures on an individual's creativity. We test the hypothesis that...
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Keywords:
Collaborative Innovation and Invention;
Patents;
Personal Development and Career;
Creativity;
Power and Influence;
Social and Collaborative Networks
Fleming, Lee, and Santiago Mingo. "Collaborative Brokerage, Generative Creativity, and Creative Success." Administrative Science Quarterly 52, no. 3 (September 2007).
- Research Summary
4. Collaborative Brokerage, Generative Creativity, and Creative Success
Joint work with Lee Fleming (Technology and Operations Management Unit, Harvard Business School) and David Chen (Doctoral Candidate, Harvard Business School and Harvard School of...
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- 25 May 2016
- News
The Harvard Medalists of 2016
- 16 Apr 2012
- Research & Ideas
The Inner Workings of Corporate Headquarters
"black box." Peering Into The Black Box In a new working paper written with Adam M. Kleinbaum (HBS DBA'08) of Dartmouth's Tuck School of Business, titled Inside the Black Box of Corporate Staff: Social Networks and the...
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Keywords:
by Michael Blanding
- 11 Dec 2012
- First Look
First Look: Dec. 11
Internet's routing table, which is socially costly, so an IP address market should discourage subdividing IP address blocks more than necessary. Yet IP address transfer rules also need to facilitate purchase by the networks that need the...
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Keywords:
Sean Silverthorne
- February 2022
- Case
NFX Capital and Moov Technologies
By: Scott Duke Kominers and Nicole Tempest Keller
In July 2019, James Currier, a general partner at San Francisco-based NFX Ventures, was considering a seed stage investment of $1.5 million in Moov Technologies, a B2B marketplace for used industrial equipment. NFX was a venture capital firm focused on seed-stage...
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Keywords:
Venture Capital;
Network Effects;
Marketplace Matching;
Digital Platforms;
Market Design;
Applications and Software;
Semiconductor Industry;
Financial Services Industry;
San Francisco
Kominers, Scott Duke, and Nicole Tempest Keller. "NFX Capital and Moov Technologies." Harvard Business School Case 822-045, February 2022.
- 15 Dec 2009
- First Look
First Look: Dec. 15, 2009
Working PapersThe Global Networks of Multinational Firms Authors:Laura Alfaro and Maggie Chen Abstract In this paper we characterize the topology of global multinational networks and examine the macro and...
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Keywords:
Martha Lagace
- Program
Mergers and Acquisitions
your company is private or public, or looking to buy or to sell, you will emerge with new ability to broker powerful deals and create shareholder value. Key Benefits Completing a successful merger or acquisition is a multifaceted project...
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