Essays on securities fraud class actions
type: CreativeWork
description: This piece argues that both the efficient market requirement and event study methodology—once the core of the fraud-on-the-market theory—have evolved in securities fraud class actions. It provides the first comprehensive analysis of fraud-on-the-market cases over the past fifty years and divides this evolution into five chronological stages.
abstract: This piece argues that both the efficient market requirement and event study methodology—once the core of the fraud-on-the-market theory—have evolved in securities fraud class actions. It provides the first comprehensive analysis of fraud-on-the-market cases over the past fifty years and divides this evolution into five chronological stages.
author: Dong, Weikun
language: English
keywords: Securities fraud, class action, Law, Legal Studies, Securities Law
date published: 2025-07-01T07:00:00Z
date modified: 2026-07-24T06:12:08Z
provider: Washington University in St. Louis
publisher: Networked Digital Library of Theses and Dissertations
type: WebPage
source organization: Washington University in St. Louis