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قیمت گذاری افشای اختیاری در بازار سرمایۀ ایران | ||
بررسیهای حسابداری و حسابرسی | ||
مقاله 2، دوره 22، شماره 3، 1394، صفحه 279-300 اصل مقاله (342.56 K) | ||
نوع مقاله: مقاله علمی پژوهشی | ||
شناسه دیجیتال (DOI): 10.22059/acctgrev.2015.55656 | ||
نویسندگان | ||
نازنین بشیری منش* 1؛ علی رحمانی2؛ سید علی حسینی3؛ میر حسین موسوی4 | ||
1دانشجوی دکتری حسابداری، دانشکدۀ علوم اقتصادی و اجتماعی، دانشگاه الزهرا (س)، تهران، ایران | ||
2دانشیار گروه حسابداری، دانشکدۀ علوم اقتصادی و اجتماعی دانشگاه الزهرا (س)، تهران، ایران | ||
3استادیار گروه حسابداری، دانشکدۀ علوم اقتصادی و اجتماعی دانشگاه الزهرا (س)، تهران، ایران | ||
4استادیار گروه اقتصاد، دانشکدۀ علوم اقتصادی و اجتماعی دانشگاه الزهرا (س)، تهران، ایران | ||
چکیده | ||
افشای اختیاری اطلاعات شرکتها از ابزار مهم مدیران بهمنظور انتقال اطلاعات عملکرد مالی به سرمایهگذاران، اعتباردهندگان و سایر افراد ذینفع است. یکی از دلایل مهم تقاضا برای افشای اطلاعات، مسانل نمایندگی و عدم تقارن اطلاعات است. هدف این پژوهش بررسی قیمتگذاری افشای اختیاری با بهرهمندی از مدلهای اولسون (1995)، استون و هریس (1996) و مدل ارزش شرکت با توجه به اثر درونزای متغیر افشا است. در این راستا، شاخص افشای اختیاری 146 شرکت پذیرفتهشده در بورس اوراق بهادار تهران طی سالهای 1388 تا 1392 بهکمک روش تحلیل محتوا و رویکرد وزندهی یکسان، محاسبه و آزمون شد. یافتههای پژوهش نشان میدهد افشای اختیاری شرکتها در تصمیمگیری و ارزشگذاری شرکتها بهکار میرود. همچنین بررسی مدل غیرخطی ارزش شرکت نشان میدهد در ارزشگذاری شرکتها سطح مطلوبی از افشای اختیاری بهکاربرده میشود. | ||
کلیدواژهها | ||
ارزش شرکت؛ افشای اختیاری؛ بازده سهام؛ قیمت سهام | ||
عنوان مقاله [English] | ||
Value relevance of voluntary disclosure in capital market of Iran | ||
نویسندگان [English] | ||
Nazanin Bashirimanesh1؛ Ali Rahmani2؛ Seyyed Ali Hosseini3؛ Mirhossein Mosavi4 | ||
1PhD Student in Accounting, Faculty of Social Sciences and Economy, University of Alzahra, Tehran, Iran | ||
2Associate Professor, Faculty of Social Sciences and Economy, University of Alzahra, Tehran, Iran | ||
3Assistant Professor, Faculty of Social Sciences and Economy, University of Alzahra, Tehran, Iran | ||
4Assistant Professor, Faculty of Social Sciences and Economy, University of Alzahra, Tehran, Iran | ||
چکیده [English] | ||
Companies’ voluntary disclosure is one of the most important management tools to convey information about the financial performance to investors, creditors and other stakeholders. One of the important reasons of the request for disclosure of information is agency problem and asymmetry of information. This study aims to examine value relevance of voluntary disclosure using models of Olson (1995), Easton and Harris (1991) and the value of firms with regard to the effect of endogeneity of voluntary disclosure variable. For this purpose, the voluntary disclosure index was calculated and tested for 146 companies listed in Tehran Stock Exchange during the period 1388-1392 using content analysis method and the same weighting approach. The results of this research reveal that companies’ voluntary disclosure is used in their decision-making and valuation of companies. The results from the study of non-linearity in the relation between voluntary disclosure and firm value confirm the positive significant effect of enhanced voluntary disclosure levels on the value of firms. | ||
کلیدواژهها [English] | ||
Firm Value, Stock Price, Stock Return, Voluntary disclosure | ||
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