The Information Content of Earning Forecasts of Companies

Profit as the most important factor of measurement of an operation of an entity, is one of the topics of accounting which has secured its special place in the theoretical issue for a number of years. Accounting from the beginning of 20th century has started its activity in the scientific and classic form. In the last number of decades, especially from the year 1960 onward after efficient market hypothesis (EMH), with the start of experimental --evidential researches by Ball and Brown about the content of information pertaining accounting earning was able to stable its theoretic fundamentals on the basis of evidence. In this research, the content of information of predicted profit is studied. The results reported here indicate that Earning Forecast by companies possessing information and efficiency content and from this purpose the importance of prediction of accounting earning due to its role and effect in the decision takings of users especially investor's is considerable.