Advances in technology, as well as regulatory and legislative actions, have led to an increase in the quantity of information available to the public. This paper experimentally examines the effects of information quantity and consistency (or directional agreement) on the judgments and trading behavior of naïve investors, holding constant the quality (or predictive value) of information. In my experiment, investors receive accounting signals and make predictions and trading decisions for 24 separate firms. I find that increasing the quantity and consistency of information leads naïve investors to show greater judgment confidence and trading aggressiveness. Increased quantity reduces investors’ expected wealth in laboratory markets, while the effect of consistency on expected wealth depends on the relationship between the low- and high-quality signals investors receive. Results highlight possible unintended consequences of increased disclosure and suggest directions for future experimental and archival research.
Review of Accounting Studies – Springer Journals
Published: Jun 13, 2009
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