Information processing costs and stock price informativeness: Evidence from the XBRL mandate

Yuyun Huang, Yuan George Shan and Joey W Yang

Australian Journal of Management, 2021, vol. 46, issue 1, 110-131

Abstract: Using the eXtensible Business Reporting Language (XBRL) mandate as a pseudo-natural experiment, we provide empirical evidence that reduction in information processing costs (IPC) leads to more informative stock price through two channels, the firm-specific information incorporation, and increased disclosures. We also find that younger firms with relatively shorter public disclosure history benefit more than older firms, supporting the conjecture that XBRL accelerates the information incorporation process and expedites market’s learning about younger firms faster. Our results are robust to alternative measures of price informativeness, individual batch tests, placebo tests, and potential bias from financial industry. JEL Classification: G14, M41, M48

Keywords: Idiosyncratic volatility; information processing cost; price informativeness; XBRL (search for similar items in EconPapers)
Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:sae:ausman:v:46:y:2021:i:1:p:110-131

DOI: 10.1177/0312896220907672

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