Investigation the Effect of Structural Changes on GDP in Iran: with emphasis on product, Export and Labour Productivity

In view of historical experiences and theorical studies، economic structural changes can effect economic growth through improving utilization of resources along with the main factors، i. e. capital and labour. This paper studies the role of economic structural changes using the share of manufacturing sector in GDP and in total export، as well as the ratio of labour productivity in manufacturing sector to agriculture sector. The results showed that the share of manufacturing sector in GDP and in total export، have negative affects on economic growth. These results are consistent with of historical experiments in industrialized and new industrialized countries. The results also showed that the ratio of labour productivity in manufacturing sector to agriculture sector has a positive affect on economic growth in Iran.