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Show Results For
- All HBS Web
(1,597)
- People (2)
- News (312)
- Research (1,151)
- Events (5)
- Multimedia (9)
- Faculty Publications (585)
- 2022
- Article
Which Corporate ESG News Does the Market React To?
By: George Serafeim and Aaron Yoon
Using a dataset that classifies firm-level ESG news as positive and negative, we examine how stock prices react to different types of ESG news. We analyze 111,020 firm-day observations for 3,126 companies and find that prices react only to issues identified as... View Details
Keywords: ESG; ESG (Environmental, Social, Governance) Performance; ESG Ratings; Social Capital; Environment; Sustainability; CSR; Stock Price; Stock Market Expectations; Materiality; Market Reaction; Environmental Sustainability; Governance; Social Issues; Performance; News
Serafeim, George, and Aaron Yoon. "Which Corporate ESG News Does the Market React To?" Financial Analysts Journal 78, no. 1 (2022): 59–78.
- 9 May 2013 - 11 May 2013
- Conference Presentation
Stock Market Prediction via Social Media: The Importance of Competitors
By: Frank Nagle
- November 2019
- Article
The Relevance of Broker Networks for Information Diffusion in the Stock Market
By: Marco Di Maggio, Francesco Franzoni, Amir Kermani and Carlo Sommavilla
This paper shows that the network of relationships between brokers and institutional investors shapes information diffusion in the stock market. We exploit trade-level data to show that central brokers gather information by executing informed trades, which is then... View Details
Keywords: Broker Networks; Institutional Investors; Asset Prices; Business and Shareholder Relations; Institutional Investing; Information; Knowledge Dissemination; Financial Markets; Asset Pricing
Di Maggio, Marco, Francesco Franzoni, Amir Kermani, and Carlo Sommavilla. "The Relevance of Broker Networks for Information Diffusion in the Stock Market." Journal of Financial Economics 134, no. 2 (November 2019): 419–446.
The Relevance of Broker Networks for Information Diffusion in the Stock Market
This paper shows that the network of relationships between brokers and institutional investors shapes the information diffusion in the stock market. We exploit trade-level data to show that trades channeled through central brokers earn significantly positive... View Details
- 2009
- Working Paper
Stock Price Fragility
By: Robin Greenwood and David Thesmar
We investigate the relationship between ownership structure of financial assets and non-fundamental risk. An asset is fragile if its owners collectively have to buy or sell. Such assets are susceptible to non-fundamental price movements. An asset can be fragile because... View Details
Keywords: Financial Liquidity; Stocks; Price; Market Transactions; Ownership; Risk and Uncertainty; United States
Greenwood, Robin, and David Thesmar. "Stock Price Fragility." Harvard Business School Working Paper, No. 10-031, October 2009.
- 10 Aug 2013 - 13 Aug 2013
- Conference Presentation
Stock Market Prediction via Social Media: The Importance of Competitors
By: Frank Nagle
- 13 Aug 2012
- News
Here's How to Use Congress to Beat the Stock Market
- 21 Jun 2013 - 22 Jun 2013
- Conference Presentation
Stock Market Prediction via Social Media: The Importance of Competitors
By: Frank Nagle
Nagle, Frank. "Stock Market Prediction via Social Media: The Importance of Competitors." Paper presented at the 11th ZEW Conference on the Economics of Information and Communication Technologies, Center for European Economic Research (ZEW), Mannheim, Germany, June 21–22, 2013.
- 17 Jul 2017
- Working Paper Summaries
The Relevance of Broker Networks for Information Diffusion in the Stock Market
- 2001
- Working Paper
When Does the Market Matter? Stock Prices and the Investment of Equity Dependent Firms
By: Malcolm Baker, Jeremy Stein and Jeffrey Wurgler
We use a simple model of corporate investment to determine when investment will be sensitive to non-fundamental movements in stock prices. The key cross-sectional prediction of the model is that stock prices will have a stronger impact on the investment of firms that... View Details
Baker, Malcolm, Jeremy Stein, and Jeffrey Wurgler. "When Does the Market Matter? Stock Prices and the Investment of Equity Dependent Firms." NBER Working Paper Series, No. 8750, December 2001. (First draft in 2001.)
- December 1998 (Revised March 2001)
- Case
Korea Stock Exchange, 1998
By: Tarun Khanna, Krishna G. Palepu and James Chang
Following a major financial crisis, the South Korean government attempted to revive the Korea Stock Exchange to spur equity investment in Korean companies. This case describes the reforms undertaken so far and the challenges that lay ahead. View Details
Keywords: Equity; Stocks; Restructuring; Emerging Markets; Corporate Governance; Business and Government Relations; Accounting Industry; Financial Services Industry; South Korea
Khanna, Tarun, Krishna G. Palepu, and James Chang. "Korea Stock Exchange, 1998." Harvard Business School Case 199-033, December 1998. (Revised March 2001.)
- 20 Mar 2007
- Research & Ideas
What’s Behind China’s Wild Stock Ride?
Podcast with: Li Jin Interviewer: James Aisner Running Time: 18 min., 55 sec. View Details
Keywords: Financial Services
- July 2001 (Revised March 2002)
- Case
Nasdaq Stock Market, Inc., The
By: Andre F. Perold and Austin K Scee
NASDAQ's mission "to facilitate capital formation" is threatened by the emergence of Electronic Communication Networks, which are not as heavily regulated by the SEC. This case reviews the development of NASDAQ and its evolution from a loose network of broker-dealers... View Details
Keywords: Capital Markets; Stocks; Financial Markets; Governing Rules, Regulations, and Reforms; Innovation Strategy; Performance Efficiency; Perspective
Perold, Andre F., and Austin K Scee. "Nasdaq Stock Market, Inc., The." Harvard Business School Case 202-008, July 2001. (Revised March 2002.)
- 2023
- Working Paper
The Optimal Stock Valuation Ratio
By: Sebastian Hillenbrand and Odhrain McCarthy
Trailing price ratios, such as the price-dividend and the price-earnings ratio, scale prices by trailing cash flow measures. They theoretically contain expected returns, yet, their performance in predicting stock market returns is poor. This is because of an omitted... View Details
Keywords: Price; Investment Return; AI and Machine Learning; Valuation; Cash Flow; Forecasting and Prediction
Hillenbrand, Sebastian, and Odhrain McCarthy. "The Optimal Stock Valuation Ratio." Working Paper, November 2023.
- 1983
- Working Paper
Aggregate Dividend Behavior and Its Implications for Tests of Stock Market Rationality
By: Terry A. Marsh and Robert C. Merton
- 2000
- Other Unpublished Work
Do Executive Stock Options Encourage Risk-Taking?
Executive stock options create incentives for executives to manage firms in ways that maximize firm market value. Since options increase in value with the volatility of the underlying stock, executive stock options provide managers with incentives to take actions that... View Details
Cohen, Randolph B., Brian J. Hall, and Luis M. Viceira. "Do Executive Stock Options Encourage Risk-Taking?" 2000.
- January 2002
- Background Note
The Major Global Stock Exchanges
By: Ashish Nanda, Thomas J. DeLong and Lynn Villadolid Roy
Describes the major global stock exchanges. View Details
Nanda, Ashish, Thomas J. DeLong, and Lynn Villadolid Roy. "The Major Global Stock Exchanges." Harvard Business School Background Note 902-169, January 2002.
- 15 Aug 2012
- Working Paper Summaries
Legislating Stock Prices
- 2005
- Working Paper
Aggregate Corporate Liquidity and Stock Returns
By: Robin Greenwood
Aggregate investment in cash and liquid assets as a share of total corporate investment is negatively related to subsequent U.S. stock market returns between 1947 and 2003. The share of cash in total investment is a more stable predictor of returns than scaled price... View Details