List of Articles Open Access Article Abstract Page Full-Text 1 - Parametric Investigation of Lerner Index in the Bank Deposits and Loan Market Using the Translog Cost Function mahdi moradi Farhad Khodadad Kashi Jahangir Biabani Hadi Ghafari Open Access Article Abstract Page Full-Text 2 - Pricing Model of National Gas Exports via Pipeline on the Base of Game Theory Ali Akbar Naji Meidani Gholam Ali Rahimi Open Access Article Abstract Page Full-Text 3 - Geographical Aggregation of Industrial Activities and Productivity Growth: The Evidence from Iran's Provinces Manufacturing Industries Morteza Sameti mahdi fathabadi Homayoun Ranjbar Open Access Article Abstract Page Full-Text 4 - The Impact of Provincial Budget Gap on Regional Income Disparity of Iran’s Provinces by Using PVAR Model Hadi Rahmani Fazli Abbas Arab Mazar Open Access Article Abstract Page Full-Text 5 - The Use of an Endogenous Growth Model to Calculate the Optimal Rate of Value Added Tax with Emphasis on Harmful Products and Waste Ahmad Jafari Samimi Saeed Karimi Potanlar Kooroush Azami Open Access Article Abstract Page Full-Text 6 - The Effective Factors on Iran's Tea Supply (Case Study: Gilan Province) Mahsa Lobabi Mirghavami shahriar nessabian saeed yazdani Open Access Article Abstract Page Full-Text 7 - Impact of Technological Progress and Efficiency Changes on the Productivity Growth of Iran Agriculture Sector: Data Envelopment Analysis mahdi salarieh Amir Mohamadi Nejad Reza Moghaddasi