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Show Results For
- All HBS Web
(3,077)
- People (8)
- News (754)
- Research (1,597)
- Events (5)
- Multimedia (19)
- Faculty Publications (1,011)
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- Research Summary
US-China Relations
By: Meg Rithmire
Economic interdependence between the US and China was imagined years ago to be a source of security and prosperity for both countries, but is now the site of concerns about risk and national security on both sides. My work has examined how that shift has come about,... View Details
- March 2005
- Article
Short- and Long-term Demand Curves for Stocks: Theory and Evidence on the Dynamics of Arbitrage
By: Robin Greenwood
I develop a framework to analyze demand curves for multiple risky securities at extended horizons in a setting with limits-to-arbitrage. Following an unexpected change in uninformed investor demand for several assets, I predict returns of each security to be... View Details
Keywords: Limits To Arbitrage; Event Studies; Demand Curves; Portfolio Choice; Framework; Demand and Consumers; Change; Risk and Uncertainty; Debt Securities; Forecasting and Prediction; Stocks; Assets; Investment Portfolio; System Shocks; Price; Japan
Greenwood, Robin. "Short- and Long-term Demand Curves for Stocks: Theory and Evidence on the Dynamics of Arbitrage." Journal of Financial Economics 75, no. 3 (March 2005): 607–649.
- 02 Mar 2016
- What Do You Think?
Is Apple’s Real Privacy Challenge Technology Innovation Itself?
Is the Discussion of Infotech Security versus Privacy a Waste of Time? Summing Up Discussion of this month’s question devolved into a debate about the usual issues: privacy versus security, Apple versus the FBI, citizens versus their... View Details
- December 1999 (Revised November 2001)
- Background Note
Note on Private Equity Securities, A
By: G. Felda Hardymon and Josh Lerner
Provides an overview of the primary securities used in private equity, their structures, and the economic motivation behind their designs. View Details
Hardymon, G. Felda, and Josh Lerner. "Note on Private Equity Securities, A." Harvard Business School Background Note 200-027, December 1999. (Revised November 2001.)
- June 2025
- Case
Crossing Borders, Dividing Politics: U.S. Immigration Policy and Political Polarization
By: Marco Tabellini and Alexis Lefort
This case explores the history and political dynamics of U.S. immigration policy, focusing on its evolution from the 18th century to 2025. It traces key legislative milestones, such as the 1965 Immigration and Nationality Act, DACA, and the 2025 Laken Riley Act,... View Details
- September 2022 (Revised January 2023)
- Case
Bear to Bull: An Analyst’s Journey with Netflix
By: Aiyesha Dey, Joseph Pacelli, Jennifer G. Lawson and Tom Quinn
Wedbush Securities analyst Michael Pachter said “hell freezing over” was more likely than him upgrading the “sell” rating he had maintained on movie and television streaming giant Netflix since 2011, despite meteoric subscriber and share price growth. In 2022, however,... View Details
Keywords: Accounting; Asset Pricing; Cash Flow; Investment; Stocks; Equity; Analysis; Attitudes; Financial Services Industry; Entertainment and Recreation Industry; United States
Dey, Aiyesha, Joseph Pacelli, Jennifer G. Lawson, and Tom Quinn. "Bear to Bull: An Analyst’s Journey with Netflix." Harvard Business School Case 123-001, September 2022. (Revised January 2023.)
- August 2005 (Revised August 2006)
- Case
Grupo Martica
Grupo Martica commissions a computer security expert to conduct an audit of its systems, network, and processes. This audit reveals that Martica is quite vulnerable, and the company's de facto CIO must decide what steps to take to improve security. He wonders how... View Details
Keywords: Safety; Information Infrastructure; Information Technology; Information Infrastructure; Complexity
McAfee, Andrew P. "Grupo Martica." Harvard Business School Case 606-013, August 2005. (Revised August 2006.)
- 2021
- Working Paper
Elusive Safety: The New Geography of Capital Flows and Risk
By: Laura Alfaro, Ester Faia, Ruth Judson and Tim Schmidt-Eisenlohr
A confidential dataset with industry-level disaggregation of U.S. cross-border claims and liabilities, shows U.S. securities to be increasingly intermediated by tax-haven-financial-centers (THFC) and less regulated funds. These securities are risky, in... View Details
Keywords: Tax Havens; Financial Centers; Geography Of Flows; Profit Shifting; Tax Avoidance; Risk; Safe Assets; Hetergeneous Firms; Endogenous Entry; Endogenous Monitoring; Regulatory Arbitrage; Assets; Safety; Risk and Uncertainty; Capital; Global Range
Alfaro, Laura, Ester Faia, Ruth Judson, and Tim Schmidt-Eisenlohr. "Elusive Safety: The New Geography of Capital Flows and Risk." Harvard Business School Working Paper, No. 20-099, March 2020. (Revised February 2021.)
- January 2023 (Revised June 2024)
- Case
Adams + Beasley Associates
By: Dennis Campbell and Iuliana Mogosanu
This case illustrates how a strong culture, founder-led SME designed and used a unique performance metric—the job security index—to manage through periods of economic uncertainty. The case centers specifically on how the job security index was used in an interactive... View Details
Keywords: Financial Crisis; Measurement and Metrics; Employee Ownership; Risk and Uncertainty; Small Business; Leadership; Organizational Culture
Campbell, Dennis, and Iuliana Mogosanu. "Adams + Beasley Associates." Harvard Business School Case 123-051, January 2023. (Revised June 2024.)
- February 2022 (Revised March 2022)
- Case
Hertz in Bankruptcy: A Wild Ride in Pandemic Times
Hertz filed for Chapter 11 bankruptcy in response to asset-backed securities (ABS) obligations and the COVID-19 pandemic. Enthusiastic Robinhood investors and shrewd negotiating tactics helped Hertz stabilize. Roughly nine months into the bankruptcy, Hertz received... View Details
Keywords: Bankruptcy Reorganization; COVID-19 Pandemic; Insolvency and Bankruptcy; Health Pandemics; Valuation; Capital Structure; Negotiation; Private Equity; Travel Industry; United States
Antill, Samuel, Stuart Gilson, and Kristin Mugford. "Hertz in Bankruptcy: A Wild Ride in Pandemic Times." Harvard Business School Case 222-064, February 2022. (Revised March 2022.)
- February 1992 (Revised July 1993)
- Case
Telefonica de Argentina S.A.
Deals with the privatization of the Argentine telephone industry. Focuses on the restructuring aspect. Commercial banks owned sovereign debt of Argentina trading at a deep discount to par. The question is whether the banks should exchange their sovereign debt... View Details
Keywords: Financial Instruments; Restructuring; Privatization; Commercial Banking; Telecommunications Industry; Argentina
Fenster, Steven R. "Telefonica de Argentina S.A." Harvard Business School Case 292-039, February 1992. (Revised July 1993.)
- November 2017
- Supplement
Loss Prevention at Mac's Convenience Stores (B)
By: Francesca Gino, Katherine DeCelles and Olivia Hull
Supplement to HBS No. 918-001. The case describes the inventive approaches to retail crime prevention that Sean Sportun, security and loss prevention manager at Mac’s Convenience Stores, implemented between 2007 and 2017. View Details
Keywords: Public Relations; Community Relations; Change Management; Leading Change; Training; Knowledge Dissemination; Working Conditions; Crime and Corruption; Law Enforcement; Legal Liability; Business and Community Relations; Retail Industry; Canada
Gino, Francesca, Katherine DeCelles, and Olivia Hull. "Loss Prevention at Mac's Convenience Stores (B)." Harvard Business School Supplement 918-002, November 2017.
- 15 Nov 2018
- Working Paper Summaries
Do Fire Sales Create Externalities?
- October 2018 (Revised August 2019)
- Case
Everybody Knows: Russia and the Election
By: Rawi Abdelal, Rafael Di Tella and Galit Goldstein
Following a contentious presidential race, Donald Trump’s 2016 election destabilized America’s status quo. Academics, journalists, politicians and the public at large examined why Trump had won. Many Americans, inside and outside the government, asserted that a... View Details
Keywords: Strategic Industry; Strategic Alliances (Business); Business And Government; Business And Public Policy; Business And Society; Media Businesses; Media Content; Media Slant; Media Regulation; Internet Of Everything; Government Policy; Politics; Political Campaigns; Political Strategy; Political Turmoil; Government; Government Regulation; Security; International Business; International Relations; National Security; Political Elections; News; Media; Internet and the Web; Rights; Problems and Challenges; Globalization; Business and Community Relations; Business and Government Relations; Government Legislation; Risk and Uncertainty; Cognition and Thinking; Conflict and Resolution; Identity; Civil Society or Community; Culture; Public Opinion; Social Issues; War; Social Media; Public Administration Industry; United States; Russia
Abdelal, Rawi, Rafael Di Tella, and Galit Goldstein. "Everybody Knows: Russia and the Election." Harvard Business School Case 719-012, October 2018. (Revised August 2019.)
- July 2021
- Case
'Why I Blew the Whistle': Mauro Botta v. PwC
By: Aiyesha Dey, Jonas Heese and Sarah Mehta
Set in April 2021, this case tells the story of Mauro Botta, a senior manager at PricewaterhouseCoopers (PwC). In 2016, Botta filed a whistleblower claim with the U.S. Securities and Exchange Commission, alleging that PwC had failed to fulfill its obligations to remain... View Details
Keywords: Accounting Audits; Financial Reporting; Financial Statements; Ethics; Fairness; Moral Sensibility; Values and Beliefs; Governance; Corporate Governance; Accounting Industry; United States; California; San Jose
Dey, Aiyesha, Jonas Heese, and Sarah Mehta. "'Why I Blew the Whistle': Mauro Botta v. PwC." Harvard Business School Case 122-005, July 2021.
- January 2016 (Revised January 2019)
- Supplement
The Allergan Board Under Fire (B)
By: Lynn S. Paine, Suraj Srinivasan, John C. Coates and David Lane
In 2014, the Allergan Inc. board of directors received a surprise takeover offer from Valeant Pharmaceuticals in alliance with hedge fund activist Bill Ackman's Pershing Square Capital Management. In the unprecedented arrangement between an acquirer and a hedge fund... View Details
Keywords: Allergan, Inc.; Valeant; Ackman; Pershing Square; Tender Offer; Activist Investors; Business Models; R＆D; Board Of Directors; Securities Litigation; Acquisition Strategy; Takeover Defenses; Hedge Funds; Shareholder Rights; Proxy Contest; Shareholder Special Meetings; Legal Issues In Contested Takeovers; Corporate Governance; Investment Activism; Business and Stakeholder Relations; Business Model; Business and Shareholder Relations; Valuation; Pharmaceutical Industry
Paine, Lynn S., Suraj Srinivasan, John C. Coates, and David Lane. "The Allergan Board Under Fire (B)." Harvard Business School Supplement 316-029, January 2016. (Revised January 2019.)
- September 2003 (Revised February 2007)
- Case
PolyMedica Corporation (A)
By: David F. Hawkins and Jacob Cohen
The Securities and Exchange Commission and investors question PolyMedica Corp.'s practice of capitalizing rather than expensing of direct-response advertising. View Details
Keywords: Activity Based Costing and Management; Business Earnings; Advertising; Private Sector; Budgets and Budgeting; Cost Management; Capital Markets; Marketing; Private Equity; Pharmaceutical Industry; Medical Devices and Supplies Industry
Hawkins, David F., and Jacob Cohen. "PolyMedica Corporation (A)." Harvard Business School Case 104-023, September 2003. (Revised February 2007.)
- 24 Mar 2002
- Lessons from the Classroom
Case Study: A Lesson in Private Venture Financing
financing private ventures, it can also offer unique rewards. Harvard Business School associate professor Walter Kuemmerle highlighted some of the issues confronting entrepreneurs and investors in a case discussion on Gray Security... View Details
Keywords: by Julia Hanna
- 24 Oct 2005
- Research & Ideas
IPR: Protecting Your Technology Transfers
The competitiveness of many multinational companies depends on their ability to transfer intellectual property and other intangible assets to their worldwide production processes. These sources of competitive advantage can be anything from a proprietary manufacturing... View Details
Keywords: by Cynthia Churchwell
- February 2016 (Revised April 2020)
- Case
In the Name of Democracy? The Rise and Decline of India's Congress Party
By: Akshay Mangla and Jonathan Schlefer
In 1950 it looked highly doubtful that Indian democracy would hold—typical family income was $6 a month, only about 15% of the population was literate, there were deep religious and ethnic differences, and more than a dozen national languages were spoken. But after a... View Details
Keywords: Congress Party; Economic Development; Democratization; Economic Reform; Economic Systems; Government and Politics; Developing Countries and Economies; Development Economics; India
Mangla, Akshay, and Jonathan Schlefer. "In the Name of Democracy? The Rise and Decline of India's Congress Party." Harvard Business School Case 716-068, February 2016. (Revised April 2020.)