List of Articles Externality Open Access Article Abstract Page Full-Text 1 - Economic assessment and Policies on controlling air pollution due to Transportation: Case study of Tehran J. Pejoyan A. moghiminia Open Access Article Abstract Page Full-Text 2 - Estimation of Environmental Pollutants Shadow Price Resulting from Fossil Fuel Use in Different Economical Sectors Case study: Tehran Province Mir Hosein Mousavi Narges Barzegar Abbas Memarzade Open Access Article Abstract Page Full-Text 3 - proposition a model for estimating the enviromental impacts(externalities) of urbar transportation in Tehran zahra Abedi Milad Saffari vahid Sharifi Open Access Article Abstract Page Full-Text 4 - Investigation of Externalities of Groundwater Overexploitation on pistachio market of Iran M. باقری F. معززی