بررسي وجود انحصار طبيعي در بازار مخابرات ايران

Normal Monopoly in Iran Telecommunication Market

In this article, the structure of Iran telecommunication market, its performance and the cost structures of telecommunication companies have been investigated by estimating appropriate cost function and applying panel data during 2004-2008. Results show telecommunication market has additivity function and introducing new, competitive enterprises in this market would lead to the efficiency decrease, so current monopoly seems to be more efficient.