the role of supportive policies in the iran's development exports of agricultural products

the agriculture of iran in addition to supplying domestic needs through agricultural exports in foreign trade contributed and exports products are more stable than other sectors. so, developing and expanding of exports can be a ground for iran in global markets. thus, the role of supportive policies in developing export to identify parameters affecting and suppling of agricultural exports of iran during the period 1981/2012 by using auto regressive distributed lag method (ardl) is discussed. the results indicats the ratio of export prices, value-added agriculture and aggregate measurement of support (ams), and variables influencing the pattern. it has a positive relationship with export supply in the short-term and long-term. also, exchange rate of private sector consumption and a dummy variable war had no effects on export supply. error correction coefficient also showed that in each course, 52% of the balance is lost and adjustments are made for the long term. so, according to the results, necessary to increase the amount of and implementation of supportive policies given a direct role in export promotion is necessary. therefore, if properly applied these policies agricultural exports will increase.