Financial reporting uniformity: Its relation to comparability and its impact on financial statement users

Abstract

Abstract We explore the relation between financial reporting uniformity and comparability. We also examine the effect of uniformity on analyst coverage, analyst forecast accuracy and analyst forecast dispersion. We develop a Compustat‐based financial statement account uniformity measure based on the presentation of common financial statement line items. We define uniformity using a Jaccard similarity index where a firm's non‐missing Compustat data items are compared to a prototypical firm for that industry year. We emphasize the conceptual difference between uniformity and comparability, and our tests do not show a significant association between uniformity and output‐based accounting comparability. However, we find that the association between account uniformity and comparability becomes positive in high research and development firms, while it becomes negative in firms with higher managerial discretion. We explore the association between uniformity and information processing efficiencies, and we show that our uniformity measure is positively associated with analyst coverage. Furthermore, we partition our uniformity measure into separate income statement and balance sheet components. We find that income statement uniformity is associated with higher forecast accuracy and lower forecast dispersion, while balance sheet uniformity is associated with greater analyst coverage. Finally, we provide further support for these findings using an XBRL‐based uniformity measure.

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