Document Type

Article

Publication Date

1984

Abstract

The still-developing fraud on the market theory is the primary method by which securitiesf raudp laintiffs have attempted either to relax or eliminate the troubling reliance and causation requirements. Professor Black examines this emerging theory and suggests that the traditional common-lawfraud concepts that focus on reliance and causation still have validity and continue, even in this context, to offer appropriate
limitations on liability. The Article analyzes cases that have reduced or ignored this reliance element and explains why the legal concepts from which the fraud on the market theory evolved demand stricter adherence to reliance in certain markets but not in others. Professor Black incorporates the efficient market theory into her analysis
by suggesting it as a condition which the courts should consider when determining the degree to which they will demand proof of causation and reliancei n a securities fraud case.

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