تحلیل اثر تجارت بر انتشار آلودگی در میان گروهی از کشورهای درحال توسعه

محورهای موضوعی : فصلنامه علمی -پژوهشی تحقیقات اقتصاد کشاورزی

فرزانه طاهری ¹ (مربی اقتصاد کشاورزی دانشگاه ازاد اسلامی واحد مرودشت)
سیدنعمت اله موسوی ² (دانشیار اقتصاد کشاورزی دانشگاه آزاد اسلامی واحد مرودشت)
زکریا فرج زاده ³ (دانشجوی دکترای اقتصاد کشاورزی دانشگاه شیراز)

تاریخ دریافت : 1394/09/25 تاریخ پذیرش : 1394/09/25 تاریخ انتشار : 1391/04/01

کلید واژه: تجارت, آلودگی, دی اکسیدکربن,

چکیده مقاله :

این مطالعه با هدف تحلیل اثر تجارت بر انتشار آلودگی صورت گرفت. برای این منظور داده های گروهی از کشورهای منتخب در حال توسعه به همراه ایران به صورت داده های ترکیبی مورد استفاده قرار گرفت. این داده ها دوره ی 2008-1990 را شامل می شود. یافته های مطالعه شامل معادلات انتشار آلودگی یا عوامل تعیین کننده ی انتشار آلودگی و معادله ی درآمد سرانه یا تولید سرانه می باشد. شاخص آلودگی نیز انتشار دی اکسیدکربن می باشد. یافته های مطالعه نشان داد که در میان کشورهای منتخب، افزایش سرمایه با افزایش انتشار آلودگی همراه نیست. اما افزایش تجارت موجب افزایش انتشار آلودگی می شود. از سوی دیگر افزایش سطح تجارت با افزایش درآمد سرانه همراه است. محاسبه ی مقادیر کشش ها نیز نشان داد که افزایش سطح تجارت به میزان 10% از طریق افزایش مقیاس تولید در بلندمدت به طور متوسط بیش از 2/2% افزایش انتشار آلودگی را به همراه دارد.  

چکیده انگلیسی:

The main objective of this paper is to investigate the trade impact on pollution emission. Data for selected developing countries including Iran was applied as pooled dataset for period of 1990-2008. For comparison Carbone-dioxide was used as pollution emission index. Findings showed that increase in capital would not result increase in pollution emission. But pollution emission increased as a result of increase in trade level. In addition, increase in trade is expected to raise income. The emission elasticity with respect to trade showed that increase in trade by 10 percent would cause pollution to increase by 2.2 percent in selected developing countries in the long run  

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