Impact of Conservatism on the Accounting Information Quality and Decision Making of the Shareholders and the Firms Listed on the Tehran Stock Exchange

This study mainly aims at investigating the impact of conservatism on the quality of the accounting information and decisions of the shareholders and the Tehran listed firms. To achieve this goal, the impact of conservatism on the three characteristics of relevancy, reliability and timeliness of the accounting information has been explored. The main objective of the study has been defined and examined in terms of one hypothesis along with the other subsidiary objectives. The present paper is an applied study using cross-sectional correlations. The required data is obtained from the whole firms listed on the Tehran Stock Exchange for six years covering the years from 2006 to 2011. The samples are selected by a filtering technique and finally 300 firms are chosen. The data and hypotheses are analyzed by using simple linear regression. The findings reveal that there is a relationship between conservatism and information quality. It is also documented that conservatism positively influences on each characteristic of relevancy, reliability and timeliness. Therefore, the market might become more efficient after requiring the timely reporting and providing transparent and complete financial statements. It contributes the investors and participants of the stock exchanges make appropriate decisions.