The Effect of Business Environment Index on Private Investment in Iran

Investment has an important role in the economic growth and development of a country. Studies and experiments on factors affecting private investment would result in more efficient policies of the private sector growth. According to the new institutional economics, institutional structure greately affects the overall economic performance such as investment. Since no national business environment index exists, in Iran studies on investment behavior suffer from lack of this important measure. Therefore, in order to find an appropriate index of the business environment in Iran, an attempt has been made to establish an national business environment index. It should be born in mind that deficiencos and lack of congruence of the international indices with the national ones is also an issue. comparison of international indices was performed. Estimation of investment function implies that improvemet in business environment corresponds with the increase of private investment in Iran.