بررسي اثر سوگيري هاي خوش بيني، بيش اطميناني و محافظه كاري بر ويژگي هاي كيفي ارزش بازخورد و شفافيت سود حسابداري
محورهای موضوعی : پژوهش های مالی و رفتاری در حسابداری
حامد پاد
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مهدی مشکی میاوقی
2
1 - کارشناسی ارشد حسابرسی، گروه حسابداری، دانشگاه غیرانتفاعی راهبرد شمال، رشت، ایران
2 - دانشیار مالی، گروه حسابداری و مالی، دانشگاه پیام نور، تهران، ایران
کلید واژه: ارزش بازخورد, بيش اطميناني, خوش بيني, شفافيت سود, محافظه كاري,
چکیده مقاله :
هدف از انجام پژوهش مطالعه بررسي اثر سوگيري هاي خوش بيني، بيش اطميناني و محافظه كاري بر ويژگي هاي كيفي ارزش بازخورد و شفافيت سود حسابداري بود. پژوهش کاربردی و از نوع توصیفی بود و جامعه آماری پژوهش شامل شرکت های پذیرفته شده در بورس اوراق بهادار تهران است. بر این اساس تعداد 140 شرکت در دوره زمانی 1396 تا 1401 از بین جامعه آماری به واسطه اعمال برخی محدودیت ها انتخاب شده و روابط بین متغیرهای پژوهش با استفاده از داده های تلفیقی و روش رگرسيون لجستيك مورد تجزیه وتحلیل قرار گرفته است. نتایج حاصل از آزمون فرضیه ها نشان مي دهد كه متغیر خوش بيني مديريت بر هر دو متغير وابسته شفافيت سود و ارزش بازخورد اطلاعات حسابداري دارای اثر منفي و معني داري مي باشد. اين موضوع به اين معني است كه با افزايش خوش بيني مديريت و ايجاد شكاف بين سود واقعي و سود پيش بيني شده، از ميزان واكنش بازار به سود و تغييرات آن (به عنوان معيار شفافيت سود) كاسته شده و حساسيت ارزش بازار سهام به سود نيز كاهش مي يابد. اين موضوع ممكن است ناشي از كاهش اطمينان بازار نسبت به پيش بيني ها و عملكرد مديريت باشد. نتايج همچنين حاكي از ضريب تاثير مثبت محافظه كاري حسابداري بر متغيرهاي وابسته تحقيق بوده و نشان مي دهد كه اعمال سياست هاي محافظه كارانه و پرهيز از بيش نمايي سود توانسته در جلب اعتماد عمومي سرمايه گذاران به شركت موثر بوده.
The purpose of the study was to investigate the effect of optimism, overconfidence, and conservatism biases on the qualitative characteristics of feedback value and accounting earnings transparency. The study was applied and descriptive, and the statistical population of the study included companies listed on the Tehran Stock Exchange. Accordingly, 140 companies were selected from the statistical population in the period 1396 to 1401 by applying some restrictions, and the relationships between the research variables were analyzed using pooled data and the logistic regression method. The results of the hypothesis test show that the management optimism variable has a negative and significant effect on both dependent variables of earnings transparency and the feedback value of accounting information. This means that by increasing management optimism and creating a gap between actual earnings and forecasted earnings, the market reaction to earnings and its changes (as a measure of earnings transparency) is reduced, and the sensitivity of the stock market value to earnings is also reduced. This may be due to the decrease in market confidence in management's forecasts and performance. The results also indicate a positive effect coefficient of accounting conservatism on the dependent variables of the study and show that applying conservative policies and avoiding overstatement of profits has been effective in attracting general investor confidence in the company.
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