During 2005-2007, the US Securities and Exchange Commission ran a randomized experiment, in which it removed short sale restrictions for some “treated” firms, chosen at random, and left these restrictions in place for others. The SEC experiment has been exploited by many finance and...

Abstract for Appendix: This appendix presents additional results to accompany the underlying article, Black, Espin-Sanchez, French, and Litvak (2016), The Long-Term Effect of Health Insurance on Near-Elderly Health and Mortality.The underlying article is available on SSRN at...

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...

The following article adapts and consolidates two comment letters submitted last spring by a group of twenty-two professors of finance and law on the SEC’s proposed climate change disclosure rules. The professors reiterate their recommendation that the SEC withdraw its proposal as legally...

We use the best available longitudinal dataset, the Health and Retirement Survey, and a battery of causal inference methods to provide both central estimates and bounds on the effect of health insurance on health and mortality among the near elderly (initial age 50-61) over an 18-year period....

This Appendix contains additional results and discussion for Black, Desai, Litvak, Yoo, and Yu, The SEC’s Short-sale Experiment: Evidence on Causal Channels and the Importance of Specification Choice in Randomized and Natural Experiments (2022). It contains sample details; details on...

During 2005-2007, the SEC conducted a randomized trial in which it removed short-sale restrictions from one-third of the Russell 3000 firms. Early studies found modest microstructure-related effects of removing the restrictions but no effect on short interest or share prices. More recently,...