Document Type : Original Article
Authors
1 PhD student in Department of Oil and Gas Economics, Marvdasht Branch, Islamic Azad University, Marvdasht, Iran
2 Associate Professor, Department of Economics, Marvdasht Branch, Islamic Azad University, Marvdasht, Iran
3 Researcher Fellowship, BETE labaratory, University of Strasbourg. Strasbourg , France
Abstract
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