Abstract
We investigate how short-sale constraints influence investor information acquisition. Leveraging the U.S. Securities and Exchange Commission’s (SEC’s) Regulation SHO pilot program, we find that relaxed short-sale constraints lead to increased public information acquisition by investors. Investors acquire and process valuable information and utilize it to improve their short-selling decisions after the relaxation of short-sale constraints. We obtain similar findings using a quasi-natural experiment in China that lifted short-sale bans, supporting the external validity of our results. Collectively, our evidence demonstrates that reduced trading frictions promote information acquisition and contribute to price discovery.
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