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- Faculty Publications (350)
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- All HBS Web (1,932)
- Faculty Publications (350)
- March 2010
- Article
Information Content of Insider Trades before and after the Sarbanes-Oxley Act
By: Francois Brochet
This paper examines the information content of Form 4 filings under the more timely disclosure regime introduced by Section 403 of the Sarbanes-Oxley Act of 2002 (SOX). Abnormal returns and trading volumes around filings of insider stock purchases are significantly...
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Keywords:
Stocks;
Corporate Disclosure;
Governing Rules, Regulations, and Reforms;
Government Legislation;
Lawsuits and Litigation;
Market Transactions;
Volume;
Sales
Brochet, Francois. "Information Content of Insider Trades before and after the Sarbanes-Oxley Act." Accounting Review 85, no. 2 (March 2010): 419–446.
- 22 Jul 2015
HBS & HKS Information Session in Senegal
Organized by the HBS Africa Business Club and the HKS Africa Caucus – and hosted by AFIG Funds, a leading Africa focused Private Equity firm - this event is designed for prospective students to learn about Harvard Business School and...
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- summer 2003
- Article
Patents, Invalidity, and the Strategic Transmission of Enabling Information
By: James J. Anton and Dennis A. Yao
The patent system encourages innovation and knowledge disclosure by providing exclusivity to inventors. Exclusivity is limited, however, because a substantial fraction of patents have some probability of being ruled invalid when challenged in court. The possibility of...
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Keywords:
System;
Innovation and Invention;
Knowledge Dissemination;
Courts and Trials;
Competition;
Patents;
Corporate Disclosure
Anton, James J., and Dennis A. Yao. "Patents, Invalidity, and the Strategic Transmission of Enabling Information." Journal of Economics & Management Strategy 12, no. 2 (summer 2003): 151–178. (Harvard users click here for full text.)
- Web
For the Difference Makers | Information Technology
Information Technology For the Difference Makers Harvard Business School (HBS) IT is a nimble, innovative, strategic partner who crafts, delivers, and supports the pioneering technology solutions that connect, enable, and inspire the HBS...
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- June 2023
- Article
The Effect of Firms' Information Exposure on Safeguarding Employee Health: Evidence from COVID-19
By: Lisa Yao Liu and Shirley Lu
We show that information exposure through international business networks enables firms to take proactive measures that benefit employees and potentially the local community. Specifically, in the early days of COVID-19, firms that have business networks with China and...
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Keywords:
COVID-19 Pandemic;
Networks;
Knowledge Use and Leverage;
Health Pandemics;
Decision Choices and Conditions;
Corporate Social Responsibility and Impact
Liu, Lisa Yao, and Shirley Lu. "The Effect of Firms' Information Exposure on Safeguarding Employee Health: Evidence from COVID-19." Journal of Accounting Research 61, no. 3 (June 2023): 891–933.
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