نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشجوی دکتری اقتصاد، گروه اقتصاد، واحد یزد، دانشگاه آزاد اسلامی، یزد، ایران

2 استادیار اقتصاد، گروه اقتصاد، واحد یزد، دانشگاه آزاد اسلامی، یزد، ایران

چکیده

در این مطالعه، رابطه بین مصرف انرژی و بهره‌وری کل عوامل تولید در بخش صنعت در ایران با استفاده از روابط غیرخطی از نوع آستانه‌ای مورد بررسی قرار گرفته است. نتایج برآورد یک مدل دو آستانه‌ای در نمونه‌ای شامل داده‌های مربوط به 110 شاخه صنعتی طی سال‌های 1398-1381 نشان می‌دهد تأثیر مصرف انرژی بر بهره‌وری کل عوامل تولید در بخش صنعت، یک اثر وابسته به وضعیت یا وابسته به رژیم مصرف انرژی است و ضرایب متغیر مصرف انرژی در همه رژیم‌ها بر بهره‌وری کل عوامل تولید در بخش صنعت، منفی و معنی‌دار هستند. چنانچه نسبت ارزش انرژی مصرف‌شده به ارزش محصولات تولیدشده در بخش صنعت ایران از آستانه مشخصی تجاوز کند تأثیر منفی مصرف انرژی بر بهره‌وری کل عوامل تولید شدت می‌گیرد. همچنین، تأثیر مصرف انرژی بر بهره‌وری کل عوامل تولید در بخش صنعت، یک اثر وابسته به وضعیت یا وابسته به رژیم بهره‌وری کل عوامل تولید نیز هست به‌گونه‌ای که در وضعیت‌ها یا رژیم‌های پایین بهره‌وری، اثر مصرف انرژی بر بهره‌وری صنایع قابل‌توجه است اما در وضعیت‌ها یا رژیم‌های بالای بهره‌وری، اثر مصرف انرژی بر بهره‌وری تا حد زیادی کاهش می‌یابد. ازاین‌رو صنایع با بهره‌وری بالاتر از تأثیر منفی بسیار کمتری از مصرف انرژی بر بهره‌وری خود برخوردار هستند.

کلیدواژه‌ها

موضوعات

عنوان مقاله [English]

Energy Consumption and Total Factor Productivity Dynamics in the Industrial Sector

نویسندگان [English]

  • Seyed Ali Emami 1
  • Seyed Yahya Abtahi 2
  • Zohreh Tabatabaienasab 2
  • Mohamad Ali Dehghan Tafti 2

1 Ph.D. Candidate in Economics, Department of Economics, Yazd Branch, Islamic Azad University, Yazd, Iran

2 Assistant Professor of Economics, Department of Economics, Yazd Branch, Islamic Azad University, Yazd, Iran

چکیده [English]

In this paper, the relationship between energy consumption and total factor productivity (TFP) in the industrial sector in Iran has been investigated using threshold-type nonlinear relationships. The results of estimating a two-threshold model in a sample including data related to 110 industrial branches during the years 2002-2019 show that the effect of energy consumption on the TFP in the industry sector is state-dependent on the energy consumption state or regime and the energy consumption variable coefficients in all regimes has a negative and significant effect on the TFP. If the energy consumption in Iran's industrial sector exceeds a certain threshold, the negative effect of energy consumption on the TFP will intensify. Also, the effect of energy consumption on the TFP in the industry sector is a state dependent on the TFP state or regime, so in low TFP regimes or states, the effect of energy consumption on the TFP of industries is considerable, but in high TFP regimes, industries with higher TFP have a much lower negative impact of energy consumption on their TFP.

کلیدواژه‌ها [English]

  • : energy consumption
  • total factor productivity
  • industrial sector
  • threshold models
ابطحی، سید یحیی. (1401). اقتصاد سنجی مدلهای چرخش رژیم (نظریه و کاربرد)، مدلهای آستانه‌ای. جلد اول، انتشارات نور علم.
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