Saudi Universities Theses & Dissertations
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Item Restricted The Impact of XBRL on the Level of Information Asymmetry in the Saudi Stock Market(Saudi Digital Library, 2021) Alsheail, Reef Mohammad; Alsalman, Ahmad MohammadThis research aims to examine whether XBRL adoption reduces the level of information asymmetry in the Saudi stock market. This research used the bid-ask spread as proxy before and after a period of adoption of XBRL to measure the level of information asymmetry. The data was analyzed using paired t-tests and multiple regression analysis. The methods have been used by 71 listed companies on the Saudi Stock Market (Tadawul). The study compares companies' data between two periods marked by the adoption of XBRL. The first period is before XBRL adoption, and it begins from April 2015 ending in January 2016. The second period is after the adoption of the XBRL, which lasts from April 2016 to January 2017. The results show that XBRL adoption has an insignificant impact on the level of information asymmetry, due to two main reasons. The first is the lack of skills required to apply the XBRL language in companies. The second reason is the weakness of the obvious efforts of the accounting institutions and organizations in Saudi Arabia. Our evidence could potentially assist the Capital Market Authority and other accounting authorities in Saudi Arabia to assess and increase their effort to introduce the benefits of XBRL and help the companies to improve the necessary skills for the application of XBRL.32 0Item Restricted ) Determinants of Sustainability Disclosure of Saudi Listed Companies in Saudi Stock Exchange (Tadawul(Saudi Digital Library, 2019) Alotaibi, Miaad; Alnodel, AliThe objective of this research is to examine the determinants of environmental sustainability disclosure of Saudi listed companies in Saudi Stock Exchange (Tadawul). Two main dimensions of the factors influencing sustainability disclosure were investigated: company characteristics (size, age, profitability, type of industry and leverage) and board of directors’ characteristics (size, independence and the annual number of meetings). The research study utilised the content analysis approach to collect data from annual reports of non-financial companies listed in the Saudi stock exchange between 2015 and 2017. The total number of annual reports that were covered in this research is 357, which pertain to 119 non-financial companies that were listed during the study period. The study focused on the disclosure of environmental sustainability, which is one of the three branches of sustainability (social, economic and environmental). The Global Initiative Reports GRI (G4) issued by the United Nations in 2013 was used to examine these annual reports with respect to the disclosure of environmental sustainability. The findings of this dissertation reveal that the type of industry, company’s profits, company size and company age are important determinants when it comes to the disclosure of environmental sustainability for Saudi non financial companies listed in the period of 2015–2017. The elements of corporate governance except for board independence are not important factors, which might be due to the voluntary nature of disclosure of sustainability information. These results suggest that factors related to the identity of a group of companies might influence the disclosure for such type of companies, particularly when the disclosure is voluntary. Therefore, the explanation provided by legitimacy theory with regards to voluntary disclosure is more influenced by bounded factors that reflect upon a group of companies. The results of this dissertation should help in evaluating the overall contribution of Saudi companies toward the achievement of Saudi Vision 2030, which intends to enhance the quality of life in Saudi society.92 0