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What Happens to Trading Volume When the Regulator Bans Voluntary Disclosure?

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  • Menachem (Meni) Abudy
  • Efrat Shust

Abstract

This paper exploits a unique natural experiment in which a regulator limited voluntary disclosure of oil and gas firms. We examine the implications of this disclosure rule on unexplained trading volume and market liquidity. Relying on the theoretical framework of Kim and Verrecchia ([1994]. Market liquidity and volume around earnings announcements. Journal of Accounting and Economics, 17(1–2), 41–67), the analysis assumes that the rule is an exogenous shock that increased the precision of disclosed information. Based on a sample of current filings, we find indications that on average, after the new regulation came into effect, filings of oil and gas firms generated less unexplained trading volume than they had prior to the regulation. A possible interpretation of these findings is a decline in investor disagreement following the rule. We also find that liquidity around current filings of oil and gas firms increased following the disclosure rule. Moreover, some results indicate that differences in unexplained trading volume associated with the characteristics of the filing firm or of the filing itself prior to the rule were moderated after it came into effect.

Suggested Citation

  • Menachem (Meni) Abudy & Efrat Shust, 2020. "What Happens to Trading Volume When the Regulator Bans Voluntary Disclosure?," European Accounting Review, Taylor & Francis Journals, vol. 29(3), pages 555-580, May.
    • Handle: RePEc:taf:euract:v:29:y:2020:i:3:p:555-580
    DOI: 10.1080/09638180.2019.1649164
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    Cited by:

    1. Małgorzata Janicka & Aleksandra Pieloch-Babiarz & Artur Sajnóg, 2020. "Does Short-Termism Influence the Market Value of Companies? Evidence from EU Countries," JRFM, MDPI, vol. 13(11), pages 1-22, November.
    2. Abudy, Menachem Meni, 2020. "Retail investors’ trading and stock market liquidity," The North American Journal of Economics and Finance, Elsevier, vol. 54(C).
    3. Efrat Shust & Dan Weiss, 2022. "Disentangling Relevance from Reliability in Value Relevance Tests," Sustainability, MDPI, vol. 14(20), pages 1-15, October.
    4. José Miguel Tirado-Beltrán & Iluminada Fuertes-Fuertes & J. David Cabedo, 2020. "Donor Reaction to Non-Financial Information Covering Social Projects in Nonprofits: A Spanish Case," Sustainability, MDPI, vol. 12(23), pages 1-17, December.
    5. Abudy, Menachem (Meni) & Shust, Efrat, 2023. "Does market design contribute to market stability? Indications from a corporate bond exchange during the COVID-19 crisis," Journal of Economics and Business, Elsevier, vol. 123(C).
    6. Abudy, Menachem (Meni) & Mugerman, Yevgeny & Wiener, Zvi, 2021. "Stock markets and female participation in the labor force," Journal of International Financial Markets, Institutions and Money, Elsevier, vol. 74(C).
    7. Su, Kun & Zhang, Miaomiao & Liu, Chengyun, 2022. "Financial derivatives, analyst forecasts, and stock price synchronicity: Evidence from an emerging market," Journal of International Financial Markets, Institutions and Money, Elsevier, vol. 81(C).

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