At the US Securities and Exchange Commission I provide economic analysis to support the Commission's policy and litigation efforts-particularly in the areas of market structure and short selling. This page lists some of the policy and litigation efforts I have supported which have been made public.
Rule 612 - Tick size - Lead Economist
Rule 610 - Exchange transaction fees - Lead Economist
Rule 10c-1 – Securities lending transaction tape – Lead Economist
Rule 13f-2 – Short selling reporting
Rule 205 – CAT data amendments
SEC Order to Improve Governance of Market Data – Lead Economist
Report Equity and Options Market Structure Conditions in Early 2021 (GameStop Report) – Lead Economist
Amendment to Rule 613 - CAT Security amendments
Rule 610T – Transaction fee pilot – Lead Economist
SEC Statement on market structure innovation for thinly traded securities – Lead Economist
United States v Mitchell J. Stein Case Number: 11-80205-CR-MARRA