Why Do U.S. Securities Laws Matter to Non-U.S. Firms? Evidence from Private Class-Action Lawsuits
Southern Methodist University
Darius P. Miller
Southern Methodist University (SMU) - Edwin L. Cox School of Business
March 15, 2012
AFA 2013 San Diego Meetings Paper
A continuing controversy is whether U.S. securities laws are enforced against foreign firms, since public enforcement actions by the SEC are infrequent and often result in insignificant penalties. We examine private enforcement actions of U.S. securities laws and find that 269 securities class-action lawsuits were filed against foreign firms from 1996 to 2008. We document the severity of the penalties imposed on foreign firms and show that while firms paid a total of $9 billion to settle lawsuits brought against them, the monetary penalties levied by the market are even larger. During the three-day period surrounding the lawsuit filing date, there is a significant negative stock price reaction of -6.16%, which translates to an average loss of $392 million dollars. Aggregating over all firms, the total dollar loss is $73 billion. We further find that even foreign firms without significant U.S. assets experience significant valuation losses. Our results provide evidence that enforcement actions of U.S. securities laws against foreign firms are neither uncommon nor economically insignificant events.
Number of Pages in PDF File: 50working papers series
Date posted: March 17, 2012
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