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The global crises of the last few years have led to development of public sector reporting across public administration areas such as performance, sustainability, environmental and social reporting. In addition, it causes integrated reporting to be considered as the dominant approach. This study is aimed to examine effects of integrated reporting quality on corporate valuation and future corporate performance, focusing on complexity and external financing needs. For this purpose, data is collected from 120 firms listed in Tehran Stock Exchange for a period from 2011 to 2017 and hypotheses are tested using panel data regression model. Integrated reports providing transparent and comprehensive information optimize internal decision-making which results in improvement of corporate performance. Research findings show that there is a significant positive relation of firm size and growth opportunity to integrated reporting quality. Moreover, results indicate a significant negative relation between institutional ownership and integrated reporting quality. However, according to findings, there is no significant relation between corporate governance quality and integrated reporting. ‌

The purpose of this study was to evaluate the impact of different audit quality measures on tax risk. For this purpose, tax risk was used as a dependent variable with five criteria: annual effective rate, average effective rate, gap rate, expected risk rate and effective cash flow rate. In addition, the audit quality with unconventional accruals criteria, earnings fluctuation, earnings smoothing, accruals, cash flows, auditor specialty and auditor size as independent variables along with horizontal representation costs and vertical agency costs, has been used. To investigate the issue, financial information of 118 stock companies during the years 2012 to 2019 was analyzed in 35 regression models. Relationship analysis showed that audit quality was based on seven measures (unconventional accruals, earnings volatility, earnings smoothing, accruals, cash flows, and auditor specialty and auditor size) on tax risk (annual effective rate, effective rate). Medium, gap rate, expected risk rate and effective cash flow rate) have a significant negative impact. Horizontal agency costs have a positive and significant effect on tax risk in terms of concentration of ownership and managerial ownership. Agent costs have a positive and significant effect on tax risk in terms of the level of activity of the Board of Directors and the Audit Committee.