%0 Journal Article %T A rela£¿£¿o entre o n¨ªvel volunt¨¢rio de transpar¨ºncia e o custo de capital pr¨®prio das empresas brasileiras n£¿o-financeiras %A Castro Junior %A Francisco Henrique Figueiredo de %A Concei£¿£¿o %A Paula Meneghesso da %A Santos %A D¨¦bora Antunes %J REAd. Revista Eletr£¿nica de Administra£¿£¿o (Porto Alegre) %D 2011 %I Scientific Electronic Library Online %R 10.1590/S1413-23112011000300002 %X the main objective of this research is to examine empirically the existence of a significant relationship between the level of voluntary disclosure of information and the cost of equity capital of brazilian non-financial companies. it is expected that a greater level of disclosure is related to a lower cost of capital by reducing the risk perceived by investors. in order to measure the level of voluntary disclosure of the companies, a questionnaire developed for this purpose was used. the cost of equity capital was obtained from publicly available information. a negative and significant relationship between the variables of interest was found, indicating that companies that disclose more information voluntarily has a lower cost of equity capital. %K disclosure %K cost of equity capital %K corporate governance. %U http://www.scielo.br/scielo.php?script=sci_abstract&pid=S1413-23112011000300002&lng=en&nrm=iso&tlng=en