Investing the Efficiency of the Criteria of Measuring the Timely Financial Reporting with the Approach to Distinguish the Situation of the TSE Issuers Financial Reporting

This paper examines relationships among four measures of timeliness of financial reporting: Dyer and McHugh's (1975) reporting lag measure; the Beekes and Brown (2006) price discovery measure; the khan and watts (2009)asymmetric timeliness measure and Hou and Moskowitz (2005) delayed stock price adjustment measure. Hypothesis research were tested with data over the period 1380 to 1390 by Pearson and spearman correlation. The sample covers 93 company listed Tehran stock exchange and 1023 firm-year observations. The result shows that the four measures share a common label, "timeliness", but not much else. The market law can be efficiency, to the extent which reporting lag to be shorter.