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Disclosure channel and cost of capital: evidence from open vs closed conference calls

Yijiang Zhao (Kogod School of Business, American University, Washington, DC, USA, and)
Michael Davis (School of Management, University of Alaska‐Fairbanks, Fairbanks, Alaska, USA)
Kevin T. Berry (School of Management, University of Alaska‐Fairbanks, Fairbanks, Alaska, USA)

Review of Accounting and Finance

ISSN: 1475-7702

Article publication date: 7 August 2009

Abstract

Purpose

The purpose of this paper is to examine the effect on the cost of capital of increased disclosure that reduces information asymmetry among market participants.

Design/methodology/approach

This study uses the decision to regularly hold open (closed) conference calls pre‐Reg FD as a proxy for a commitment to the policy of public (selective) disclosure and a cross‐sectional research design to examine the associations between open/closed conference calls and three proxies for firms' cost of capital (i.e. bid‐ask spreads, share turnover, and implied costs of capital).

Findings

The results show that firms that commit to open calls exhibit lower relative bid‐ask spreads, lower implied costs of capital, and higher share turnover than firms that commit to closed calls.

Practical implications

The findings suggest that increased disclosure that “levels the playing field” for small investors benefits investors as a whole by improving firms' market liquidity and reducing the cost of capital.

Originality/value

This study contributes to existing literature on the association between corporate disclosure and firms' cost of capital.

Keywords

Citation

Zhao, Y., Davis, M. and Berry, K.T. (2009), "Disclosure channel and cost of capital: evidence from open vs closed conference calls", Review of Accounting and Finance, Vol. 8 No. 3, pp. 253-278. https://doi.org/10.1108/14757700910980859

Publisher

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Emerald Group Publishing Limited

Copyright © 2009, Emerald Group Publishing Limited