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...

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 provide archival evidence on how a particular type of supplementary information affects the credibility of management earnings forecasts. Managers often provide detailed forecasts of specific income statement line items to shed light on how they plan to achieve their bottom-line earnings...