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How important are semi‐annual earnings announcements? An information event perspective

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  • Stephen Taylor
  • Alex Tong

Abstract

Using a method that avoids the need to specify earnings expectations, we demonstrate that the period surrounding the semi‐annual announcement of Australian firms' earnings is, on average, an important source of information. Although there is substantial year‐to‐year variation, we observe no evidence of any significant time trend, and also conclude that a shift from Australian domestic generally accepted accounting principle to International Financial Reporting Standards did not impact the association between earnings announcement windows and stock returns. We also find no evidence that the informativeness of earnings announcements varies systematically with firm size, analyst following or economic news (i.e., positive vs. negative stock returns, profits vs. losses), although we do observe significant variation across industries. Our conclusion is further supported by contrasting the earnings release date with the days immediately prior to release, or high information days other than earnings announcement windows. Using a more precise event window relative to prior studies (i.e., 3 h vs. 3 days), we confirm that earnings announcements contain significant new information about fundamentals.

Suggested Citation

  • Stephen Taylor & Alex Tong, 2023. "How important are semi‐annual earnings announcements? An information event perspective," Accounting and Finance, Accounting and Finance Association of Australia and New Zealand, vol. 63(3), pages 3585-3607, September.
    • Handle: RePEc:bla:acctfi:v:63:y:2023:i:3:p:3585-3607
    DOI: 10.1111/acfi.13050
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    References listed on IDEAS

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