Assessing the Valuation Model Based on Abnormal Earnings (Ohlson) by Notice to the Macroeconomic Variables

This article examines the effect of «other information» or Vt in valuation model based on abnormal earnings (Ohlson). So in this study the relationships between research variables have been examined by using panel data during 1376-88 through Generalized Method of Moment (GMM). In this paper، variables such as foreign exchange rate، inflation rate، interest rate and economic growth rate have been considered as other information in valuation model and the effect of each on abnormal earnings in future period has been evaluated. The obtained result of testing the research hypothesis using Eviews. 6 software in dynamic models framework showed that exchange rate، inflation rate and interest rate affect abnormal earnings. Thus they have informational content and can be put them in Ohlson valuation model as other information. While the effect of economic growth on abnormal earnings is meaningless and doesn’t have informational content