In this paper, we examine the impact of voluntary financial disclosure quality on stock price volatility non-financial firms quoted Tunis Stock Exchange. Empirically, first test volatility. Then, combined effect and institutional ownership We study a sample 411 annual reports non companies listed Tunisian exchange observed over 2010–2019 period. The results show that has negative Our also is st...

this paper aims to investigate the effect of firm reporting quality, timeliness andquantity for disclosure and reliability of financial reports on the reaction of stockprice delay. statistical population includes 111 active firms in tehran stock exchangeduring 2010-2014 using cochrane method with the confidence level of95%. totally, they were 555 firms-years. in this paper, linear and nonlinear...