Accounting earning represents the positive performance of companies during theirpertinent financial periods, thus it is assumed that accounting earning will benoted by investors, which could contribute to the optimum allocation of resourcesto successful companies. It can also play a major role in the economic growth anddevelopment of a society. This research focuses in the relationship between accountingearning and gross domestic product (GPD). The research populationincludes all companies listed in Tehran Stock Exchange. Due to the limitations ofsample size, 65 companies between 2009 and 2013 were studied. The findingsshowed that there is a significant relationship between accounting earning andGPD growth rate. A similar relationship was also observed between accountingearning and forecast errors of GPD growth. The control variables including inflationand employment rate had a significant relationship with GPD growth rate andforecast errors of GPD growth.