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Show Results For
- All HBS Web
(1,596)
- People (2)
- News (312)
- Research (1,151)
- Events (5)
- Multimedia (9)
- Faculty Publications (585)
- 26 Nov 2019
- News
Predicting Financial Market Bubbles and Crises in Real-time
Laureate Eugene Fama that stock markets do not exhibit price bubbles. Greenwood and his colleagues used stock return data gathered from a variety of US industries and a gamut... View Details
- June 2025
- Case
TfL Pension Fund and the 2022 Gilt Market Crisis
By: Emil N. Siriwardane, Vincent Dessain, Emer Moloney and Carlota Moniz
On September 27, 2022, Padmesh Shukla, CIO of the Transport for London (TfL) Pension Fund, was keeping a careful eye on the turmoil in the U.K. sovereign bond (or gilt) market. When the new government announced the largest tax cuts the U.K. had seen in half a century,... View Details
Keywords: Financial Crisis; Macroeconomics; Assets; Asset Management; Borrowing and Debt; Corporate Finance; Capital Markets; Equity; Public Equity; Private Equity; Financial Liquidity; Financial Instruments; Debt Securities; Credit Derivatives and Swaps; Bonds; Stocks; Financial Strategy; Interest Rates; Governance; Governing and Advisory Boards; Crisis Management; Resource Allocation; Investment; Financial Services Industry; United Kingdom; England; London; Europe
- 2016
- Working Paper
The Impact of Patent Wars on Firm Strategy: Evidence from the Global Smartphone Market
By: Feng Zhu
Strategy scholars have documented in various empirical settings that firms seek and leverage stronger institutions to mitigate hazards and gain competitive advantage. In this paper, we argue that such “institution-seeking” behavior may not be confined to the pursuit of... View Details
Keywords: Patent Wars; Patent Litigation; Intellectual Property (IP) Enforcement; Institutions; Smartphone; Patent Thicket; Digital Platforms; Patents; Lawsuits and Litigation; Globalized Markets and Industries; Business Strategy; Telecommunications Industry
Paik, Yongwook, and Feng Zhu. "The Impact of Patent Wars on Firm Strategy: Evidence from the Global Smartphone Market." Harvard Business School Working Paper, No. 14-015, August 2013. (Revised March 2016.)
- March 2018 (Revised May 2018)
- Case
Celgene
By: Malcolm Baker and Emily McComb
In February 2011, Adam Koppel, a managing director at Brookside Capital, the public equity arm of Bain Capital, must decide whether to increase or exit the firm’s position in Celgene Corporation. News has emerged that raises potential safety concerns associated with... View Details
Keywords: Life Sciences; Biotechnology; Public Market Investing; Celgene; Revlimid; Hedge Fund; Growth Stocks; Valuation; Investment; Decision Choices and Conditions; Analysis; Biotechnology Industry
Baker, Malcolm, and Emily McComb. "Celgene." Harvard Business School Case 218-094, March 2018. (Revised May 2018.)
- November 2014
- Article
The Impact of Corporate Sustainability on Organizational Processes and Performance
By: Robert G. Eccles, Ioannis Ioannou and George Serafeim
We investigate the effect of corporate sustainability on organizational processes and performance. Using a matched sample of 180 U.S. companies, we find that corporations that voluntarily adopted sustainability policies by 1993—termed as High Sustainability... View Details
Keywords: Sustainability; Sustainability Management; Sustainability Research; Sustainability Reporting; Sustainability Targets; Corporate Social Responsibility; Corporate Accountability; Reporting; Corporate Governance; Investor Clientele; Investor Communication; Stock Market; Corporate Social Responsibility and Impact; Environmental Sustainability; Performance; United States
Eccles, Robert G., Ioannis Ioannou, and George Serafeim. "The Impact of Corporate Sustainability on Organizational Processes and Performance." Management Science 60, no. 11 (November 2014): 2835–2857.
- May–June 2020
- Article
Interfirm Ties Between Ventures and Limited Partners of Venture Capital Funds: Performance Effects in Financial Markets
By: Umit Ozmel, M. Deniz Yavuz, Timothy E. Trombley and Ranjay Gulati
We argue that strong indirect ties are conducive to the transfer of private information, which provides an advantage in identifying profitable investment opportunities. In our context, a strong indirect tie is generated between an investor and a focal firm if the... View Details
Ozmel, Umit, M. Deniz Yavuz, Timothy E. Trombley, and Ranjay Gulati. "Interfirm Ties Between Ventures and Limited Partners of Venture Capital Funds: Performance Effects in Financial Markets." Organization Science 31, no. 3 (May–June 2020): 698–719.
- summer 1995
- Article
Hedging Portfolios with Real Assets
By: K. A. Froot
Keywords: Institutional Investing; Market Efficiency; Behavioral Finance; Equities; Stock Market; Indexing; Hedging; Asset Allocation; Commodities; Commodity Investing; Real Estate; Financial Markets; Asset Pricing
Froot, K. A. "Hedging Portfolios with Real Assets." Journal of Portfolio Management (summer 1995): 60–77. (Revised from Harvard Business School Working Paper No. 95-045, September 1993.)
- Awards
Journal of Corporate Finance Best Paper Award
By: Ethan C. Rouen
Runner-up for the 2024 Best Paper Award from the Journal of Corporate Finance for "The Stock Market Valuation of Human Capital Creation" with Matthias Regier (April 2023). View Details
- 2024
- Working Paper
What Drives Variation in Investor Portfolios? Estimating the Roles of Beliefs and Risk Preferences
By: Mark Egan, Alexander MacKay and Hanbin Yang
We present an empirical model of portfolio choice that allows for the nonparametric estimation of investors' (subjective) expectations and risk preferences. Utilizing a comprehensive dataset of 401(k) plans from 2009 through 2019, we explore heterogeneity in asset... View Details
Keywords: Stock Market Expectations; Demand Estimation; Retirement Planning; Defined Contribution Retirement Plan; 401 (K); Finance; Investment Portfolio; Investment; Retirement; Behavioral Finance; Financial Services Industry; United States
Egan, Mark, Alexander MacKay, and Hanbin Yang. "What Drives Variation in Investor Portfolios? Estimating the Roles of Beliefs and Risk Preferences." Harvard Business School Working Paper, No. 22-044, December 2021. (Revisions Requested at the Review of Financial Studies. Revised April 2024. Direct download. NBER Working Paper Series, No. 29604, December 2021)
- 2007
- Other Unpublished Work
Effects of Inventory on Demand for Rentals in the Home Video Market
By: Ioannis Ioannou, Julie Mortimer and Richard Mortimer
Retailer inventory decisions can greatly influence observed demand for a product by affecting, among other things, product availability (stock-outs) and product visibility in the store. These inventory decisions are affected by numerous factors including vertical... View Details
- November 2021 (Revised December 2022)
- Case
Farfetch: Digital Transformation for Luxury Brands
By: Sunil Gupta, Jill Avery, Elena Corsi and Federica Gabrieli
Farfetch, a global luxury technology platform and digital marketplace had been surfing the wave of digital transformation in the luxury fashion industry since 2008. While the company’s stock price and market valuation had fluctuated since its IPO in 2018, it had... View Details
Keywords: Digital Marketing; Marketplaces; Retailing; Internet Marketing; E-Commerce Strategy; Marketing; Marketing Strategy; Marketing Channels; Brands and Branding; Luxury; Growth and Development Strategy; Digital Transformation; E-commerce; Apparel and Accessories Industry; Beauty and Cosmetics Industry; Fashion Industry; Retail Industry; Web Services Industry; Technology Industry; United Kingdom; Europe; Portugal; China
Gupta, Sunil, Jill Avery, Elena Corsi, and Federica Gabrieli. "Farfetch: Digital Transformation for Luxury Brands." Harvard Business School Case 522-051, November 2021. (Revised December 2022.)
- September 2012 (Revised November 2012)
- Case
Integrated Reporting in South Africa
This case presents a 20-year history of the evolution of corporate governance and corporate reporting in South Africa starting in 1992 with a focus on the three King codes of corporate governance (King I in 1994, King II in 2000, and King III in 2009). From a reporting... View Details
Keywords: Integrated Reporting; Sustainability Reporting; Stock Exchanges; South Africa; Corporate Reporting; Regulation; Nonfinancial Performance; History; Corporate Disclosure; Markets; Integrated Corporate Reporting; Performance; Corporate Governance; South Africa
Eccles, Robert G., George Serafeim, and Pippa Armbrester. "Integrated Reporting in South Africa." Harvard Business School Case 413-038, September 2012. (Revised November 2012.)
- 2020
- Working Paper
Best Ideas
By: Miguel Antón, Randolph B. Cohen and Christopher Polk
We find that the stocks in which active mutual fund or hedge fund managers display the most conviction towards ex-ante, their “Best ideas,” outperform the market, as well as the other stocks in those managers’ portfolios, by approximately 2.8 to 4.5 percent per year,... View Details
Keywords: Mutual Funds; Managerial Skill; Market Efficiency; Investment Funds; Management; Investment Portfolio; Decision Making
Antón, Miguel, Randolph B. Cohen, and Christopher Polk. "Best Ideas." Harvard Business School Working Paper, No. 21-004, June 2020.
- March 2010
- Article
Does Foreign Direct Investment Promote Growth? Exploring the Role of Financial Markets on Linkages
By: Laura Alfaro, Sebnem Kalemli-Ozcan, Areendam Chanda and Selin Sayek
Do multinational companies generate positive externalities for the host country? The evidence so far is mixed varying from beneficial to detrimental effects of foreign direct investment (FDI) on growth, with many studies that find no effect. In order to provide an... View Details
Keywords: Foreign Direct Investment; Multinational Firms and Management; Financial Markets; Value; Stock Shares; Development Economics
Alfaro, Laura, Sebnem Kalemli-Ozcan, Areendam Chanda, and Selin Sayek. "Does Foreign Direct Investment Promote Growth? Exploring the Role of Financial Markets on Linkages." Journal of Development Economics 91, no. 2 (March 2010): 242–256. (Also Harvard Business School Working Paper No. 07-013 and NBER Working Paper No. w12522.)
- November 2019
- Case
Apple, Einhorn, and iPrefs (Abridged)
By: Carliss Y. Baldwin and W. Carl Kester
In March 2013, Apple Computer has a very large cash balance, and is under pressure to return cash to shareholders. Hedge fund manager David Einhorn thinks Apple can "unlock value" by issuing perpetual preferred stock, dubbed iPrefs. Henry Blodget, CEO of Business... View Details
Baldwin, Carliss Y., and W. Carl Kester. "Apple, Einhorn, and iPrefs (Abridged)." Harvard Business School Case 220-043, November 2019.
- 25 Apr 2014
- Research & Ideas
To Pay or Not to Pay: Argentina and the International Debt Market
and on future restructurings in general. In the current global environment, where trouble in emerging market economies is setting off worldwide alarms and stock market unease,... View Details
Keywords: by Laura Alfaro
- March 1996 (Revised April 2006)
- Case
Global Equity Markets: The Case of Royal Dutch and Shell
By: Kenneth A. Froot and Andre F. Perold
Royal Dutch and Shell common stocks are securities with linked cash flow, so that the ratio of their stock prices should be fixed. In fact, the ratio is highly variable, moving with the markets where the securities are intensively traded. Royal Dutch trades more... View Details
Keywords: International Equity Markets; International Cost Of Capital; Cross-border Valuation; International Finance; Equity; Cost of Capital; Valuation; Cash Flow
Froot, Kenneth A., and Andre F. Perold. "Global Equity Markets: The Case of Royal Dutch and Shell." Harvard Business School Case 296-077, March 1996. (Revised April 2006.)
- January 2019
- Article
Bubbles for Fama
By: Robin Greenwood, Andrei Shleifer and Yang You
We evaluate Eugene Fama's claim that stock prices do not exhibit price bubbles. Based on U.S. industry returns 1926–2014 and international sector returns 1985–2014, we present four findings: (1) Fama is correct in that a sharp price increase of an industry portfolio... View Details
Keywords: Bubble; Market Efficiency; Predictability; Price Bubble; Stocks; Price; Forecasting and Prediction
Greenwood, Robin, Andrei Shleifer, and Yang You. "Bubbles for Fama." Journal of Financial Economics 131, no. 1 (January 2019): 20–43. (Internet Appendix Here.)
- 2013
- Working Paper
Asset Price Dynamics with Limited Attention
By: Mark Seasholes, Terrence Hendershott, Sunny X. Li and Albert J. Menkveld
This paper studies the role that limited attention and inefficient risk sharing play in stock price deviations from the efficient prices at horizons from one day to one month. We expand the Due (2010) slow-moving capital model to analyze multiple groups of investors... View Details
Keywords: Transitory Volatility; Limited Attention; Individuals; Market Makers; Asset Pricing; Financial Markets; Volatility
Seasholes, Mark, Terrence Hendershott, Sunny X. Li, and Albert J. Menkveld. "Asset Price Dynamics with Limited Attention." Working Paper, November 2013. (2nd round at the Journal of Finance.)
- March 2022
- Teaching Note
Farfetch: Digital Transformation for Luxury Brands
By: Jill Avery and Sunil Gupta
Teaching Note for HBS Case No. 522-051. Farfetch, a global luxury technology platform and digital marketplace had been surfing the wave of digital transformation in the luxury fashion industry since 2008. While the company’s stock price and market valuation had... View Details