Pre-Analysis Plan for the REG SHO Reanalysis Project

60 Pages Posted: 5 Aug 2019 Last revised: 15 Aug 2019

Date Written: July 4, 2019

Abstract

This is a pre-analysis plan for The Reg SHO Reanalysis Project, in which we will reassess primary results from selected recent accounting and finance papers, which exploit the randomized trial conducted by the Securities and Exchange Commission (SEC) from May 2, 2005 to July 6, 2007. As part of this trial, the SEC selected every third stock on the Russell 3000 index, based on trading volume during the year before the experiment was announced, and exempted these firms’ shares from the short-sale uptick rule and the test. Early studies of the experiment found minor effects on trading markets (e.g., SEC Office of Economic Analysis (2007), Diether et al (2009)), and led the SEC to rescind these short-sale restrictions. However, more recently, a large body of research has documented evidence for a wide variety of outcomes from the experiment, including increased open short interest, negative returns, reduced investment, reduced earnings management, increased audit fees, and much more. We undertook this project because we viewed most of these outcomes as implausible, given the modest expected impact of the short-sale restrictions on trading markets, limited publicity about the experiment (with no opposition from the affected firms that we could find), and early research consistent with small effects. In this proposed project, we will reassess three prominent, recent studies: Fang, Huang and Karpoff (2016), Grullon, Michenaud and Weston (2015), and Hope, Hu, and Zhao (2017). This pre-analysis plan provides details on our sample selection and the specific analyses we plan to carry out for the main results found in these three papers.

Suggested Citation

Black, Bernard S. and Desai, Hemang and Litvak, Kate and Yoo, Woongsun and Yu, Jeff Jiewei, Pre-Analysis Plan for the REG SHO Reanalysis Project (July 4, 2019). Available at SSRN: https://ssrn.com/abstract=3415529 or http://dx.doi.org/10.2139/ssrn.3415529

Bernard S. Black (Contact Author)

Northwestern University - Pritzker School of Law ( email )

375 E. Chicago Ave
Chicago, IL 60611
United States
312-503-2784 (Phone)

Northwestern University - Kellogg School of Management

2001 Sheridan Road
Evanston, IL 60208
United States
847-491-5049 (Phone)

European Corporate Governance Institute (ECGI)

Brussels
Belgium

Hemang Desai

Southern Methodist University (SMU) - Accounting Department ( email )

United States
214-768-3185 (Phone)
214-768-4099 (Fax)

Kate Litvak

Northwestern University - Pritzker School of Law ( email )

375 E. Chicago Ave
Chicago, IL 60611
United States

Woongsun Yoo

Saginaw Valley State University ( email )

309 Curtiss Hall
7400 Bay Road
University Center, MI 48710-0001
United States
(989) 964-7005 (Phone)

Jeff Jiewei Yu

University of Arizona ( email )

Department of History
Tucson, AZ 85721
United States
520-621-1273 (Phone)

HOME PAGE: http://https://accounting.eller.arizona.edu/people/jeff-jiewei-yu

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