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Show Results For
- All HBS Web
(9,064)
- People (80)
- News (2,469)
- Research (4,975)
- Events (57)
- Multimedia (168)
- Faculty Publications (2,544)
- 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.)
- July 2003
- Article
Probabilistic Representation of Complexity
By: Nabil I Al-Najjar, Ramon Casadesus-Masanell and Emre Ozdenoren
We study individuals' behavior in an environment that is deterministic, but too complex to permit tractable deterministic representation. Under mild conditions, behavior is represented by a unique probabilistic model in which the agent's inability to think through all... View Details
Al-Najjar, Nabil I., Ramon Casadesus-Masanell, and Emre Ozdenoren. "Probabilistic Representation of Complexity." Journal of Economic Theory 111, no. 1 (July 2003): 49–87.
- 12 Oct 2022
- Video
Brandeis Marshall: The Potential for Data Equity
- Web
Human Behavior & Decision-Making - Faculty & Research
network approach offers two advantages: first, it enables scholars to consider more than two identities simultaneously, and second, it helps scholars examine relationships among identities in greater detail. This is important because... View Details
- Research Summary
Continuous Combinatorial Exchange
In multiple-good economies with many buyers and sellers (or many swappers) researchers have advocated Combinatorial Exchange generalized one-shot double auctions in which traders can express offers to buy, sell, or swap packages of goods to facilitate efficient... View Details
- Research Summary
Leadership in Context
By: Nitin Nohria
What can we learn from the great business leaders of the 20th century? To answer this question, we have assembled a unique database of 1000 American business leaders, each of whom has left an important legacy. Some of the initial insights we are gleaning from this... View Details
- 2022
- Working Paper
Heterogeneous Investors and Stock Market Fluctuations
By: Odhrain McCarthy and Sebastian Hillenbrand
We introduce a heterogeneous agent model which features extrapolative beliefs and time-varying risk aversion. The model leads to an empirical framework which we estimate with stock prices, survey data and risk aversion measures. We find that extrapolative beliefs and... View Details
McCarthy, Odhrain, and Sebastian Hillenbrand. "Heterogeneous Investors and Stock Market Fluctuations." Working Paper, January 2022.
- August 5, 2016
- Article
A Definitive Guide to the Brexit Negotiations
By: Deepak Malhotra
In this article I offer an analysis of the negotiation landscape facing UK and EU negotiators, along with advice on how they might navigate the "Brexit" process more effectively. For the record, I have not (at the time of this writing) been asked by either side to... View Details
Malhotra, Deepak. "A Definitive Guide to the Brexit Negotiations." Harvard Business Review (website) (August 5, 2016).
- August 2018
- Article
Growth Through Heterogeneous Innovations
By: Ufuk Akcigit and William R. Kerr
We build a tractable growth model where multi-product incumbents invest in internal innovations to improve their existing products, while new entrants and incumbents invest in external innovations to acquire new product lines. External and internal innovations generate... View Details
Keywords: Endogenous Growth; Innovation; Citations; Scientists; Entrepreneurs; External; Internal; Patents; Innovation Strategy; Entrepreneurship; Economic Growth; Research and Development; Science
Akcigit, Ufuk, and William R. Kerr. "Growth Through Heterogeneous Innovations." Journal of Political Economy 126, no. 4 (August 2018): 1374–1443.
- 2014
- Chapter
The Language of Global Management
By: Tsedal Neeley
Over the last two decades, organizations seeking global expansion have been mandating an English lingua franca, or common language to facilitate global collaboration regardless of the country location of their headquarters. This article explains why stipulating a... View Details
Keywords: Language; Lingua Franca; Networks; Governance; Information Technology; Management; Ethics; Emerging Markets; Innovation and Invention
Neeley, Tsedal. "The Language of Global Management." In Wiley Encyclopedia of Management, Volume 6: International Management. 3rd ed. Edited by Markus Vodosek and Deanne den Hartog. John Wiley & Sons, 2014.
- June 2012 (Revised July 2013)
- Exercise
Competition Simulator Exercise: Instructions
In the Competition Simulator Exercise, students explore through trial and error some important economic foundations of competitive strategy and managerial economics. In particular, the nine simulator exercises let students explore horizontal differentiation with and... View Details
Van den Steen, Eric. "Competition Simulator Exercise: Instructions." Harvard Business School Exercise 712-498, June 2012. (Revised July 2013.)
- April 2011
- Article
Ownership Structure and the Cost of Corporate Borrowing
By: Chen Lin, Yue Ma, Paul Malatesta and Yuhai Xuan
This article identifies an important channel through which excess control rights affect firm value. Using a new, hand-collected data set on corporate ownership and control of 3,468 firms in 22 countries during the 1996-2008 period, we find that the cost of debt... View Details
Keywords: Borrowing and Debt; Cash Flow; Cost; Financing and Loans; Governance Controls; Ownership Stake; Business and Shareholder Relations
Lin, Chen, Yue Ma, Paul Malatesta, and Yuhai Xuan. "Ownership Structure and the Cost of Corporate Borrowing." Journal of Financial Economics 100, no. 1 (April 2011): 1–23. (Lead Article. First Place Winner of the 2011 Jensen Prize for the Best Paper in the Areas of Corporate Finance and Organizations published in the Journal of Financial Economics.)
- October 2008
- Article
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: Financial Markets; Information Management; Social and Collaborative Networks; Announcements; Investment Portfolio; Investment Return; Investment Funds; Asset Pricing; Governing and Advisory Boards
Cohen, Lauren, Andrea Frazzini, and Christopher J. Malloy. "The Small World of Investing: Board Connections and Mutual Fund Returns." Journal of Political Economy 116, no. 5 (October 2008): 951–979. (Winner of the Barclays Global Investors Award, Best Paper in Asset Pricing, European Finance Association 2007.)
- 31 Jan 2014
- News
Research Shows Which TV Ads Are Likely to Make Multitaskers Buy
- 12 May 2020
- News
The Surprising Power of Business Experiments
- 12 Oct 2022
- Video
James Mickens: Why All Data Science is Political
Are Carbon Tariffs Protectionism or Climate Policy?
Some argue that carbon tariffs — carbon costs imposed on imports entering an emission-regulated region — are simply protectionism being peddled as climate policy. Our results suggest otherwise. The implementation of a carbon tariff decreases global emissions... View Details
- 05 Jul 2006
- Working Paper Summaries
Information Technology Ecosystem Health and Performance
- 2024
- Working Paper
Displacement or Complementarity? The Labor Market Impact of Generative AI
By: Wilbur Xinyuan Chen, Suraj Srinivasan and Saleh Zakerinia
Generative AI is poised to reshape the labor market, affecting cognitive and white-collar occupations in ways distinct from past technological revolutions. This study examines whether generative AI displaces workers or augments their jobs by analyzing labor demand and... View Details
Xinyuan Chen, Wilbur, Suraj Srinivasan, and Saleh Zakerinia. "Displacement or Complementarity? The Labor Market Impact of Generative AI." Harvard Business School Working Paper, No. 25-039, December 2024.