تحلیل اثر سرریزهای تکنولوژی بر رشد بهره‏وری کل عوامل بخش کشاورزی ایران

اقتصاد و توسعه کشاورزی

مقاله 2، دوره 30، شماره 2، تیر 1395، صفحه 117-126   

نوع مقاله: مقالات پژوهشی

شناسه دیجیتال (DOI): 10.22067/jead2.v30i2.54600

نویسندگان

مصطفی بنی اسدی^* ؛ سید عبدالمجید جلایی اسفندآبادی

دانشگاه شهید باهنر کرمان

چکیده

بخش کشاورزی ایران، یک بخش سنتی با بهره‏وری اندک است. رشد بهره‏وری می‏تواند نقش مهم و موثری در رشد تولید و افزایش رقابت‏پذیری این بخش داشته باشد. در این مطالعه، نقش سرریزهای تکنولوژی بر بهره‏وری کل عوامل تولید بخش کشاورزی در دوره 1390-1353 مورد بررسی قرار گرفته است. ابتدا بهره‏وری کل عوامل از روش کندریک محاسبه گردید. همچنین سرریزهای تکنولوژی با استفاده از دو شاخص سرریز از کانال واردات کالاهای سرمایه‏ای و سرریز از کانال سرمایه‏گذاری مستقیم خارجی محاسبه گردید. سپس با استفاده از مدل خود توضیح-برداری با وقفه‏های توزیعی (ARDL)، اثر سرریزها بر بهره‏وری کل بخش کشاورزی برآورد گردید. نتایج مطالعه رابطه بلندمدت میان سرریزهای تکنولوژی و بهره‏وری کل بخش کشاورزی را تأیید می‏کند اما در کوتاه‏مدت تنها شاخص سرریز از کانال سرمایه‏گذاری مستقیم خارجی تأثیر مثبت بر بهره‏وری داشته است. از این‏رو پیشنهاد می‏شود توانایی جذب علم و تکنولوژی خارجی در بخش کشاورزی از طریق مهیا نمودن زیرساخت‏های لازم، افزایش یابد.

کلیدواژه‌ها

سرمایه‌گذاری مستقیم خارجی؛ کالاهای سرمایه‎‌ای؛ مدل ARDL؛ واردات

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