بررسی اثر رانت منابع طبیعی و تجارت بر ارزش افزودة بخش کشاورزی در کشورهای منتخب عضو اوپک

نوع مقاله : مقاله پژوهشی

نویسندگان

گروه اقتصادکشاورزی، دانشکدة مهندسی زراعی، دانشگاه علوم کشاورزی و منابع طبیعی ساری، ساری، ایران.

10.22059/jne.2025.395155.2805

چکیده

نفرین منابع یکی از این توضیحات مربوط به جریان اصلی اقتصاد تجارت بین‌الملل است که بیان می‌کند درآمدهای بادآورده منابع ‌طبیعی تأثیر منفی بر سایر بخش‌ها دارد. این امر با فروپاشی بخش تولید به‌دلیل افزایش ارزش پول داخلی و انحراف منابع تولیدی از سایر بخش‌های اقتصاد به بخش منابع ‌طبیعی انجام ‌می‌شود. هدف از انجام این پژوهش، بررسی ارتباط میان رانت منابع ‌طبیعی در کشورهای منتخب عضو اوپک و ارزش افزودة بخش کشاورزی می‌باشد. به این منظور از داده‌های تلفیقی کشورهای منتخب عضو اوپک دورة زمانی 2000 تا 2020 و روش اثرات ثابت استفاده گردید؛ برآورد یکبار برای کشورهای منتخب عضو اوپک و یکبار با به‌کارگیری متغیر موهومی برای ایران انجام شد. نتایج بهدستآمده از برآورد مدل با اثرات ثابت کشورهای منتخب عضو اوپک نشان داد که متغیرهای انتشار دیاکسیدکربن و رانت منابع طبیعی بر رشد ارزش افزودة بخش کشاورزی اثر معنیداری و منفی دارد؛ در حالیکه برآورد نتایج مدل اثرات ثابت متغیر موهومی برای ایران نشان داد که متغیرهای موهومی انتشار دیاکسیدکربن و رانت منابع طبیعی بر ارزش افزوده بخش کشاورزی تأثیری ندارد. با توجه به نتایج بهدستآمده میتوان گفت که فرضیة نفرین منابع طبیعی در کشورهای منتخب عضو اوپک تأیید میشود؛ اما در ایران، بهدلیل تحریمهای نفتی و مالی در سالهای گذشته، این متغیر معنیدار نشده و این فرضیه در ایران تأیید نمیگردد. بر این اساس پیشنهاد میشود که سیاستگذار تفاوت اثرپذیری ارزش افزودة بخش کشاورزی از رانت منابع طبیعی و انتشار دیاکسیدکربن را در سیاستهای اعمالشده، در نظر بگیرد.

کلیدواژه‌ها

عنوان مقاله [English]

Investigating the effect of natural resource rent and trade on the added value of the agricultural sector in selected OPEC member countries

نویسندگان [English]

  • Mahsa Taslimi
  • Foad Eshghi
  • Seyedeh Fatemeh Razaghi PahnehKolaei
  • Hamid Amirnejad

Department of Agricultural Economics, Faculty of Agricultural Engineering, Sari University of Agricultural Sciences and Natural Resources, Sari, Iran.

چکیده [English]

The resource curse is one of these explanations related to the mainstream of international trade economics, which states that windfall revenues from natural resources negatively impact other sectors. This is done by the collapse of the manufacturing sector due to the increase in the value of the domestic currency and the diversion of production resources from other sectors of the economy to the natural resource sector in search of natural resources. This study examines the relationship between natural resource rents in selected OPEC member countries and the agricultural sectors value-added. For this purpose, consolidated data from selected OPEC member countries for the period 2000–2020 and the fixed effects method were used. The estimation was performed once for selected OPEC member countries and once using a dummy variable for Iran. The results obtained from the estimation of the model with fixed effects for selected OPEC member countries showed that the variables of carbon dioxide emissions and natural resource rents have a significant and negative effect on the growth of value-added in the agricultural sector. Meanwhile, the estimation of the results of the dummy variable fixed effects model for Iran showed that the dummy variables of carbon dioxide emissions and natural resource rents do not affect the value-added in the agricultural sector. According to the obtained results, it can be said that the natural resource curse hypothesis is confirmed in selected OPEC member countries; however, in Iran, due to oil and financial sanctions in the past years, this variable is not significant, and this hypothesis is not confirmed in Iran. Accordingly, policymakers should consider the difference in the impact of the agricultural sector's value-added from natural resource rents and carbon dioxide emissions in the policies implemented.

کلیدواژه‌ها [English]

  • Agricultural value-added
  • Carbon dioxide emissions
  • Fixed effects
  • Panel data
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