Securities Law Commons^™

Comparisons Among Firms: (When) Do They Justify Mandatory Disclosure?, Sharon Hannes

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Comparisons among firms play a major role in securities analysis. This essay asks if this fact justifies the mandatory nature of securities regulation. Once a firm approaches the public securities markets, federal securities regulations compel it to disclose financial information to the public. A seminal theory argues that firms would not otherwise commit to maintain optimal disclosure levels, since a disclosing firm bears all disclosure costs but does not gain all disclosure benefits.

This paper examines the robustness of this argument in relation to disclosure benefits which arise from comparisons among firms. Financial data of peer firms allows shareholders to …