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Show Results For
- All HBS Web
(512)
- News (80)
- Research (389)
- Events (1)
- Multimedia (3)
- Faculty Publications (230)
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- Research Summary
Firm and aggregate volatility
US publicly traded companies have become more volatile over the postwar period. This trend has been the result of increased competition in product markets through deregulation, through more intensive innovation activity, and through easier access to capital markets.... View Details
- Research Summary
Time-Varying Volatility Risk Premia
This paper provides evidence for the existence of time-varying volatility risk premia. In doing so, it examines the evolution of the implied volatility bias in the S&P 100 from 1986-2006. Additionally, the paper proves three new results regarding the limiting... View Details
- Research Summary
The Connection Between Volatility and Leverage
Professor Siriwardane has co-developed a new econometric model that captures the link between equity volatility and financial leverage, driven by the desire to incorporate the record levels of both leverage and volatility that characterized the 2008 financial crisis... View Details
- Article
Diverging Trends in Macro and Micro Volatility
By: Diego Comin and Sunil Mulani
This paper documents the diverging trends in volatility of the growth rate of sales at the aggregate and firm level. We establish that the upward trend in micro volatility is not simply driven by a compositional bias in the sample studied. We argue that this new fact... View Details
Comin, Diego, and Sunil Mulani. "Diverging Trends in Macro and Micro Volatility." Review of Economics and Statistics 88, no. 2 (May 2006).
- 01 Dec 2001
- News
Navigating Success in Volatile Times
The theme of this year's annual HBS African-American Alumni Association (HBSAAA) conference, "Navigating Success in Volatile Times," seemed particularly apropos after the incidents of September 11. "Like many organizations with events... View Details
- 09 Feb 2018
- News
Will business class turn on POTUS if volatility continues?
- June 2017 (Revised February 2019)
- Case
Investing in Volatility at Evanston Capital Management
By: Adi Sunderam, Luis Viceira and Zhihan Ma
Sunderam, Adi, Luis Viceira, and Zhihan Ma. "Investing in Volatility at Evanston Capital Management." Harvard Business School Case 217-089, June 2017. (Revised February 2019.)
- 15 Mar 2020
- News
Lenders scour financing documents amid market volatility
- November 2009
- Journal Article
A Theory of Growth and Volatility at the Aggregate and Firm Level
By: Diego A. Comin and Sunil Mulani
This paper presents an endogenous growth model that explains the evolution of the first and second moments of productivity growth at the aggregate and firm level during the post-war period. Growth is driven by the development of both (i) idiosyncratic R&D innovations... View Details
Keywords: Volatility; Microeconomics; Innovation and Invention; Growth and Development Strategy; Resource Allocation; Performance Productivity; Mathematical Methods; Research and Development
Comin, Diego A., and Sunil Mulani. "A Theory of Growth and Volatility at the Aggregate and Firm Level." Journal of Monetary Economics 56, no. 8 (November 2009): 1023–1042.
- 1987
- Working Paper
Tests of Excess Forecast Volatility in the Foreign Exchange and Stock Markets
By: K. A. Froot
Simple regression tests that have power against the alternatives that asset prices and expected future asset returns are excessively volatile are developed and performed for the foreign exchange and stock markets. These tests have a number of advantages over... View Details
- 01 Mar 2018
- News
Leadership books for volatile and uncertain times
- 22 Sep 2020
- News
Hedge Funds Reject Central Banker Criticism on Volatility
- 14 Jul 2023
- News
LinkedIn Co-Founder Reid Hoffman on Innovating Amid Volatility
- 08 May 2025
- Podcast
Upwork’s Hayden Brown on bridging volatility with contingency
"Freelance by choice" can sound like a rationalization—or putting on a brave face—but has the contract labor market improved for white-collar workers, as more, particularly younger professionals, opt in? A look at the benefits for both sides of the bargain and how AI... View Details
- December 24, 2018
- Editorial
Stock-Market Volatility Can Be Good for the Economy
By: Amar Bhidé
Bhidé, Amar. "Stock-Market Volatility Can Be Good for the Economy." Wall Street Journal (December 24, 2018).
- October 2011 (Revised August 2017)
- Case
Veracity Worldwide in Syria: Assessing Political Risk in a Volatile Environment
By: Aldo Musacchio and Sophus A. Reinert
Musacchio, Aldo, and Sophus A. Reinert. "Veracity Worldwide in Syria: Assessing Political Risk in a Volatile Environment." Harvard Business School Case 712-009, October 2011. (Revised August 2017.)
- 1995
- Working Paper
The Informational Role of Asset Prices: The Case of Implied Volatility
By: Zvi Bodie and Robert C. Merton
- April 12, 2023
- Article
Using AI to Adjust Your Marketing and Sales in a Volatile World
By: Das Narayandas and Arijit Sengupta
Why are some firms better and faster than others at adapting their use of customer data to respond to changing or uncertain marketing conditions? A common thread across faster-acting firms is the use of AI models to predict outcomes at various stages of the customer... View Details
Keywords: Forecasting and Prediction; AI and Machine Learning; Consumer Behavior; Technology Adoption; Competitive Advantage
Narayandas, Das, and Arijit Sengupta. "Using AI to Adjust Your Marketing and Sales in a Volatile World." Harvard Business Review Digital Articles (April 12, 2023).
- Article
Dynamic Consumption and Portfolio Choice with Stochastic Volatility in Incomplete Markets
By: George Chacko and Luis M. Viceira
Chacko, George, and Luis M. Viceira. "Dynamic Consumption and Portfolio Choice with Stochastic Volatility in Incomplete Markets." Review of Financial Studies 18, no. 4 (Winter 2005).
- 12 Apr 2023
- News