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Insider Trading Enforcement And The Private Information Environment: Evidence From The Newman Ruling, Andrew T. Pierce
Insider Trading Enforcement And The Private Information Environment: Evidence From The Newman Ruling, Andrew T. Pierce
Graduate Theses and Dissertations
I exploit a shock to U.S. insider trading law to investigate whether a reduction in the enforceability of tipper-tippee insider trading restrictions leads to changes in information parity among investors and the efficiency of price discovery. The December 2014 Federal Second Circuit Court of Appeals ruling in US v. Newman constrained enforcement by restricting the types of exchanges between managers and investors that trigger tipper-tippee insider trading liability. Following Newman, I find that Second Circuit hedge funds experienced a significant increase in their stock picking ability of Second Circuit stocks in terms of preempting future earnings announcement returns and future …