بررسی تاثیر آزادسازی تجاری بر واردات برخی از نهاده‌های کشاورزی در ایران

نوع مقاله : مقاله پژوهشی

نویسندگان

• الهه آهنی ¹
• حمید محمدی ²
• محمود احمدپور ³
• سامان ضیائی ³
• علیرضا کیخا ²

¹ دانشجوی دکتری اقتصاد کشاورزی، دانشکده کشاورزی، دانشگاه زابل.

² استادیار، گروه اقتصاد کشاورزی، دانشکده کشاورزی، دانشگاه زابل.

³ دانشیار، گروه اقتصاد کشاورزی، دانشکده کشاورزی، دانشگاه زابل.

10.30495/jae.2023.26354.2200

چکیده

هدف از انجام این مطالعه، بررسی رابطه‌ بلندمدت و کوتاه‌مدت بین تاثیر آزادسازی تجاری بر واردات تعدادی از نهاده‌های بخش‌کشاورزی ایران طی دوره زمانی 1397- 1388 با استفاده از داده‌های تابلویی است. برای تعیین اثرات ثابت و تصادفی با آزمون هاسمن آماره آزمون برابر 40/ 37 بدست آمد که کاملاً معنادار بود. ، . برآورد روابط بلندمدت و کوتاه‌مدت متغیرهای مورد بررسی، الگوی پانل میانگین‌گروهی تلفیقی خودتوضیح با وقفه‌های گسترده (PMG) و میانگین‌گروهی (MG) استفاده شد. نتایج حاصل از برآورد الگوی پانل میانگین‌گروهی تلفیقی خودتوضیح با وقفه‌های گسترده و میانگین گروهی، نشان‌دهنده این بود که در بلندمدت شاخص آزادسازی تجاری تاثیر مثبتی بر واردات نهاده‌های بخش‌کشاورزی داشته است. شاخص آزادسازی تجاری بر مقاطع کود، سموم شیمیایی و بذرهای کشاورزی بترتیب 578/0-، 17/0 و043/0محاسبه گردید که بیانگر این بود، ایران جهت تأمین نهاده‌های بخش‌کشاورزی به واردات وابسته است.

کلیدواژه‌ها

• الگوی پانل میانگین گرروهی تلفیقی
• شاخص ادغام تجارت بین‌الملل
• داده&rlm
• های تابلویی

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عنوان مقاله [English]

Investigating the Impact of Trade Liberalization on Some Imports Agricultural inputs in Iran

نویسندگان [English]

• elahe Ahani ¹
• Hamid mohammadi ²
• mahmoud ahmadpour ³
• Saman Ziaee ³
• Alireza Keikha ²

¹ Ph.D. Student, Department of Agricultural Economics, University of Zabol, Zabol, Iran.

² Assistant Professor and Director of the Department of Agricultural Economics, Faculty of Agriculture, University of Zabol, Zabol, Iran.

³ Associate Professor and Director of the Department of Agricultural Economics, Faculty of Agriculture, University of Zabol, Zabol, Iran.

چکیده [English]

the purpose of this study is to investigate the long-term and short-term relationship between the impact of trade liberalization on the import of a number of inputs from the Iranian agricultural sector during the period 2009-2018 using panel data. determine To the fixed and random effects with Hausman test, the test statistic was 37.40, which is quite significant. , in estimating the model, the use of the fixed effects method was more appropriate than the random effects method. To estimate the long-term and short-term relationships of the studied variables, the model of self-explanatory integrated group panel with wide intervals (PMG) and group average (MG) was used.The results of estimating the model of the self-explanatory integrated group average panel with wide intervals and group average indicate that in the long run, the trade liberalization index has a positive effect on the import of agricultural sector inputs. The index of trade liberalization on fertilizer, chemical pesticides and agricultural seeds was calculated as -0.788, 0.17 and 0.043, respectively,

کلیدواژه‌ها [English]

• Pooled Mean Group Models
• International Trade Integration Index
• Panel Data

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