This paper shows that mandating some firms to disclose more while leaving other firms disclosing voluntarily is less effective in improving and may even harm the overall information environment when firms' disclosures are endogenous. Although the regulated firms' increased disclosure directly...

We examine whether the quarterly filing COVID-19 disclosures reduce uncertainty for investors and analysts. We find a negative relationship between COVID-19 disclosure and return volatility, suggesting COVID-19 disclosure reduces investor uncertainty. This reduction effect concentrates mainly...

I examine whether company-implemented disclosure committees help to improve non-GAAP reporting quality. I find that firms with disclosure committees provide higher quality non-GAAP performance metrics and that the exclusions used to calculate their non-GAAP numbers are less persistent for future...