This study addresses whether firms' share prices correctly reflect two accounting measures, dirty surplus and really dirty surplus. Dirty surplus is readily observable from the financial statements, but really dirty surplus, which arises from recognizing equity transactions such as employee...

The internal rate of return (IRR) is a widely used benchmark for assessing the reliability of the accounting rate of return (ROA) as a measure of economic profitability. We turn this reasoning process on its head by demonstrating that a suitable (weighted average) aggregation of ROAs better...