XBRL對會計信質(zhì)量的影響研究
[Abstract]:Compared with traditional financial statements, XBRL has unparalleled advantages in information processing, storage and exchange. The main goal of XBRL is to provide effective information for the market and to improve the transparency, reliability and relevance of information. Since 2003, XBRL has been implemented in China, and the mandatory disclosure of XBRL in Shanghai and Shenzhen stock markets has been realized in 2009. In order to promote the development of XBRL, there have been a number of empirical studies on the usefulness of XBRL to the quality of accounting information in China. However, the time span of these studies is shorter, and the choice of window period is not consistent. The persuasive effect of XBRL on the long-term and integrity of capital market needs to be improved. Therefore, this paper chooses the time span of longer years, studies the influence of XBRL on the quality of accounting information under different window periods, and analyzes the long-term influence of XBRL on China's capital market. Based on the analysis results, some suggestions are put forward to accelerate the development of XBRL in China. This paper adopts the method of combining theoretical analysis with empirical analysis. In theory, this paper combs and reads the related literature, one is to understand and analyze the basic knowledge and related theories of XBRL, the other is to define the quality of accounting information. Then it analyzes in detail the influence of each function of XBRL on the quality of accounting information, and points out that the social acceptance and function of XBRL in our country are low and weak at present, and there are some limitations in enhancing the usefulness of XBRL. From the point of view of decision usefulness, this paper proves that the change of cumulative excess return rate under [-2] window period is more obvious than that under [-1 ~ (-1)] window period. Then it is proved by multiple regression analysis that longer window period XBRL has more influence on decision-making usefulness, but the influence degree of both window period is lower. These two empirical methods show that although XBRL has an impact on China's capital market, the market effect caused by it needs to be strengthened in terms of time limitation and degree. In the relevant policy recommendations, this paper holds that we should support the development of XBRL GL and XBRL software to enhance the functionality of XBRL, promote the promotion of XBRL generic classification standards and the training of relevant professionals, so as to enhance the social acceptance of XBRL. Strengthen the timeliness of its information transmission.
【學(xué)位授予單位】:西南科技大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2017
【分類號】:F275
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