Abstract
The research aims to identify the most important factors affecting the total value of agricultural GDP of Iraq and neighboring Arab countries (Syria, Jordan and Saudi Arabia) to grasp the relative importance of these factors during the period (1980-2010). The research depended on a hypothesis that there are a number of economic factors that vary in impact in the value of agricultural output in Iraq and its neighboring Arab countries for the period (1980-2010), and that there is a variation in the impact of these factors between Iraq and these countries. In order to prove the hypothesis of this search a number of economic factors that vary in their impact on the value of agricultural GDP and of (b crop area planted, the number of agricultural workers, agricultural tractors, combine harvesters agricultural, fertilizer, chemical, agricultural loans, farm subsidies, the exchange rate) had been selected the data had been used from those for time - series variables standing thirty -one-year– old. To get the best results has been used principal components analysis had been used. The research found a number of conclusions and recommendations in order to increase the value of agricultural GDP sample countries.
