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Show Results For
- All HBS Web
(5,552)
- People (8)
- News (1,294)
- Research (2,964)
- Events (36)
- Multimedia (37)
- Faculty Publications (1,764)
- January 2019
- Module Note
Executing Active Investment Strategies
By: Samuel G. Hanson
Hanson, Samuel G. "Executing Active Investment Strategies." Harvard Business School Module Note 219-080, January 2019.
- Web
Global - Global Activities 2020
actively involved in international research. While they often work with a specific global center to pursue particular avenues of inquiry, in some instances they draw upon multiple centers for a broader exploration of a topic. For example,... View Details
- January 2021
- Article
ETF Activity and Informational Efficiency of Underlying Securities
By: Lawrence Glosten, Suresh Nallareddy and Yuan Zou
This paper investigates the effect of exchange-traded funds’ (ETFs’) activity on the short-run informational efficiency of their underlying securities. We find that ETF activity increases short-run informational efficiency for stocks with weak information environments.... View Details
Glosten, Lawrence, Suresh Nallareddy, and Yuan Zou. "ETF Activity and Informational Efficiency of Underlying Securities." Management Science 67, no. 1 (January 2021): 22–47.
- Web
Africa - Global Activities 2021
Africa Africa Developing the Skills to Drive Change in Africa Pictured: When disease outbreaks and other macro shocks occur, many African nations run the risk of falling deeper into poverty. As countries across the globe grapple with the ramifications of the pandemic,... View Details
- Web
Student Activities - Health Care
MBA Experience Student Activities At HBS, there are more than 200 health care-related events annually for students to engage in health care activities, network with alumni who work in the sector, and delve more deeply into various health... View Details
- Article
Investor Activism and Takeovers
By: Robin Greenwood and Michael Schor
Recent work documents large positive abnormal returns around the time that a hedge fund announces its activist intentions with a publicly listed firm. We show that these returns are largely explained by the ability of activists to force target firms into a takeover: In... View Details
Keywords: Mergers and Acquisitions; Private Equity; Investment Return; Investment Activism; Investment Portfolio; Public Ownership
Greenwood, Robin, and Michael Schor. "Investor Activism and Takeovers." Journal of Financial Economics 92, no. 3 (June 2009): 362–375.
- January 2025
- Teaching Note
Index and Active Investing: Vanguard and the New Frontier of Active ETFs
By: Marco Sammon and Luis M. Viceira
- 2007
- Working Paper
Hedge Fund Investor Activism and Takeovers
By: Robin Greenwood and Michael Schor
We examine long-horizon stock returns around hedge fund activism in a comprehensive sample of 13D filings by portfolio investors between 1993 and 2006. Abnormal returns surrounding investor activism are high for the subset of targets that are... View Details
Keywords: Mergers and Acquisitions; Private Equity; Investment Return; Investment Activism; Investment Portfolio; Corporate Governance
Greenwood, Robin, and Michael Schor. "Hedge Fund Investor Activism and Takeovers." Harvard Business School Working Paper, No. 08-004, July 2007.
- 18 Oct 2021
- Blog Post
Embracing Activism for Social Change
with Andrea Smith, director of Workforce Training & Program Development at DWIHN. Her role as senior advisor in the Detroit Mayor’s office is Mendu’s first experience in municipal government, but she has long embraced activism for... View Details
- July 2013
- Article
Ethnic Innovation and U.S. Multinational Firm Activity
By: C. Fritz Foley and William R. Kerr
This paper studies the impact that immigrant innovators have on the global activities of U.S. firms by analyzing detailed data on patent applications and on the operations of the foreign affiliates of U.S. multinational firms. The results indicate that increases in the... View Details
Keywords: Technology Transfer; Innovation; Ethnic Networks; Patents; Diasporas; Ethnicity; Multinational Firms and Management; Competitive Advantage; Research and Development; Foreign Direct Investment; Innovation and Invention; United States
Foley, C. Fritz, and William R. Kerr. "Ethnic Innovation and U.S. Multinational Firm Activity." Management Science 59, no. 7 (July 2013): 1529–1544.
- 1986
- Chapter
Patterns of International Coalition Activity
By: Pankaj Ghemawat, Michael E. Porter and Richard Anthony Rawlinson
- 2001
- Working Paper
Analyst Activity Around the World
By: James Chang, Tarun Khanna and Krishna G. Palepu
Chang, James, Tarun Khanna, and Krishna G. Palepu. "Analyst Activity Around the World." Harvard Business School Working Paper, No. 01-061, April 2001.
- 09 Aug 2016
- Working Paper Summaries
Shareholder Activism on Sustainability Issues
- July 2021
- Supplement
CIAM: Home-Grown Shareholder Activism in France (B)
By: Charles C.Y. Wang, Tonia Labruyere and Vincent Dessain
This case is a complement to CIAM: Home-Grown Shareholder Activism in France (A) and describes the events after CIAM learned about a potential misuse of corporate assets at Altice/SFR. View Details
Keywords: Corporate Governance; Valuation; Investment Activism; Accounting; Strategy; Financial Services Industry; France
Wang, Charles C.Y., Tonia Labruyere, and Vincent Dessain. "CIAM: Home-Grown Shareholder Activism in France (B)." Harvard Business School Supplement 121-078, July 2021.
- Article
Active World Model Learning with Progress Curiosity
By: Kuno Kim, Megumi Sano, Julian De Freitas, Nick Haber and Daniel Yamins
World models are self-supervised predictive models of how the world evolves. Humans learn world models by curiously exploring their environment, in the process acquiring compact abstractions of high bandwidth sensory inputs, the ability to plan across long temporal... View Details
Kim, Kuno, Megumi Sano, Julian De Freitas, Nick Haber, and Daniel Yamins. "Active World Model Learning with Progress Curiosity." Proceedings of the International Conference on Machine Learning (ICML) 37th (2020).
- 07 Sep 2021
- News
Embracing Activism for Social Change
financial assistance from classroom to career. SUPPORTING STUDENTS Her role as senior advisor in the Detroit Mayor’s office is Mendu’s first experience in municipal government, but she has long embraced activism for social change. Before... View Details
Keywords: Deborah Blagg
- 06 Jul 2018
- News
CEO Activism Will Only Get More Ubiquitous
- April 2017 (Revised April 2017)
- Teaching Note
CEO Activism (A) and (B)
By: Michael W. Toffel and Aaron K. Chatterji
Teaching Note for HBS Nos. 617-001 and 617-048. View Details
- November 2003 (Revised March 2004)
- Case
Marv Tseu at Active Reasoning
By: William A. Sahlman and Christina Darwall
Describes a set of decisions confronting the management team of an early-stage software company. The company has made considerable progress in developing its software but will need additional capital to move forward. Unfortunately, conditions in the capital market are... View Details
Keywords: Applications and Software; Financing and Loans; Capital; Business Startups; Information Technology Industry
Sahlman, William A., and Christina Darwall. "Marv Tseu at Active Reasoning." Harvard Business School Case 804-077, November 2003. (Revised March 2004.)
- 10 Apr 2019
- News