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Firm's information environment and stock liquidity: evidence from Tunisian context

Nadia Loukil (Department of Management, Faculty of Law & Economics & Political Sciences, University of Sousse, Sousse‐Erriadh, Tunisia and Research Laboratory Finance et Stratégie des Affaires (FIESTA), ISG Tunis, University of Tunis, Tunis, Tunisia)
Ouidad Yousfi (Sciences et Techniques du Languedoc, Université de Montpellier II, Montpellier, France)

Journal of Accounting in Emerging Economies

ISSN: 2042-1168

Article publication date: 17 February 2012

Abstract

Purpose

The purpose of this paper is to analyze the impact of public and private information of Tunisian firms on stock liquidity.

Design/methodology/approach

The paper uses a sample of 41 Tunisian firms listed in Tunis Stock Exchange for the year 2007. Public information disclosed in annual reports and in web sites is measured by two self‐constructed disclosure indexes. To assess private information the authors use imbalance order flows. The stock liquidity proxy used in the study is Liu's multidimensional measure. Ordinary least squares (OLS) regression is applied to model the relationship between firm's information environment and stock liquidity.

Findings

First, the results provide evidence that public and private information are independent. Second, Tunisian investors do not trust the information disclosed in both annual reports and web sites, consequently it has no effect on stock liquidity, in contrast with private information. This result implies that Tunisian investors are overconfident and rely only on their private information.

Practical implications

The paper's findings indicate that Tunisian regulation efforts to enhance corporate transparency are not sufficient. Hence, Tunisian firms need more incentives to disclose more information to investors.

Originality/value

This paper, to the authors’ best knowledge, is the first to investigate the effect of both private and public information on stock liquidity. Moreover, the authors were not limited to annual reports as the only source of public information, as were prior papers, because public information was assessed in both annual reports and corporate web sites.

Keywords

Citation

Loukil, N. and Yousfi, O. (2012), "Firm's information environment and stock liquidity: evidence from Tunisian context", Journal of Accounting in Emerging Economies, Vol. 2 No. 1, pp. 30-49. https://doi.org/10.1108/20421161211196111

Publisher

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Emerald Group Publishing Limited

Copyright © 2012, Emerald Group Publishing Limited