Measuring the Impact of SEC Enforcement Decisions

34 Pages Posted: 10 Jun 2020

See all articles by Stephen J. Choi

Stephen J. Choi

New York University School of Law

Date Written: May 15, 2020

Abstract

This essay examines several metrics of Securities and Exchange Commission (SEC) decisionmaking that may be updated on a regular basis over time using publicly available data to give a picture of how SEC decisionmaking changes over time. I focus on SEC actions against public companies and subsidiaries of public companies and use data from the 2005 to 2018 period. The metrics include: the number of SEC actions per year and per month, the ratio of SEC actions to securities class actions by year, the mean abnormal return from an event study of the first public announcement of the problem that led to the eventual SEC enforcement action by year, the fraction of SEC actions with prior disclosure of the underlying violation by year, and the variability of the market response to the initiation of a SEC action by year. The metrics cannot demonstrate with certainty what motivates internal SEC enforcement decisions but may raise questions that guide future research.

Keywords: securities regulation, securities enforcement

JEL Classification: K22

Suggested Citation

Choi, Stephen J., Measuring the Impact of SEC Enforcement Decisions (May 15, 2020). Fordham Law Review, Forthcoming, NYU Law and Economics Research Paper No. 20-47 , Available at SSRN: https://ssrn.com/abstract=3601881 or http://dx.doi.org/10.2139/ssrn.3601881

Stephen J. Choi (Contact Author)

New York University School of Law ( email )

40 Washington Square South
New York, NY 10012-1099
United States

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