The relationship between the value of critical attention has been known since the beginning. 90.Sougiannis (1994) conclude that investors place a high value on intangible investments; He estimated that the average cost of one dollar increase in research and development, production increased five dollars in market value. He distinguished between indirect impact on R & D costs affect market value through the income and the direct impact that reflects new information conveyed by R & D, he estimated that the average indirect effects. more direct impact Aboody Rublev (1998) found that the cost of software summarizes relevant information. They bind to variable market and future income.