Over the past two decades, the regulatory landscape for non-GAAP reporting has evolved significantly. Despite a temporary decline in the frequency of non-GAAP reporting following Regulation G, the incidence of non-GAAP disclosure has continued to increase steadily, leading to a current all-time...

We use a novel dataset to examine the across-time consistency and across-firm comparability of firms’ non-GAAP earnings disclosures. We begin by identifying firms that change their non-GAAP earnings definition from one year to the next. These deviations are uncommon, but when managers change...

We explore whether investors’ perceptions of pro forma earnings numbers have changed following the regulation of pro forma reporting imposed by the Sarbanes-Oxley Act of 2002 (SOX). First, we find that investors appear to pay more attention to pro forma earnings disclosures in the post-SOX...

We use a novel data set to examine the across-time consistency and across-firm comparability of firms’ non-GAAP earnings disclosures. Given widespread concern about non-GAAP reporting among regulators, standard setters, the investor community, and academics, our investigation provides timely...