Investigation of board composition on conservatism and timeliness in reporting of earnings in listed companies in Tehran Stock Exchange

This study is surveying the effect of board of director's composition on conservatism and earnings timeliness reporting in TSE. For modeling conservatism, BASUE model is used. Statistical society is found by judgmental omission and then by Cocran function, 101 companies for the period of 1385 to 1390 are selected. For testing hypothesis, panel data analysis is used. Results of this study show that companies with more independent boards are more conservative that means they report bad news timelier than good news that robust earlier studies in this scope.