Information processing in the stock market around anticipated accounting information: earnings release

C. José García, Begoña Herrero and Ana M. Ibáñez

The European Journal of Finance, 2012, vol. 18, issue 2, 109-133

Abstract: Earnings announcements are anticipated events with significant price impacts. This fact can motivate informed traders to trade on private information and liquidity providers to reduce liquidity in order to be careful about insider trading. In this paper, we examine the effect of earnings announcements on information asymmetry. Specifically, we investigate whether liquidity suppliers value the possibility of trading with informed agents and whether market behaviour reflects this. To achieve this objective, we take into account the sign of the surprise, the quarter of the announcement, the quantity of previous information and the quality of the information released. One of the main results of the paper is the support of market efficiency. This result is important nowadays since this hypothesis is being questioned after the irruption of the financial crisis.

Date: 2012
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DOI: 10.1080/1351847X.2010.495473

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