بررسی فرضیات منحنی کوزنتس محیط زیستی (مطالعه موردی آلودگی آب)

نوع مقاله: مقاله پژوهشی

نویسندگان

1 دانشجوی دکترای اقتصاد نفت و گاز، دانشگاه علامه طباطبایی، تهران

2 عضو هیئت علمی گروه اقتصاد، دانشگاه آزاد اسلامی واحد شهریار

3 پژوهشگر ارشد مؤسسه مطالعات بین‎المللی انرژی، تهران

چکیده

در میان آلودگی‎های ‎محیط زیستی، آلودگی آب از اهمیت ویژه‎ای برخوردار است، زیرا مقدار این منبع حیاتی در جهان تقریباً ثابت است و آلودگی آن به شدت بر سلامت انسان اثر می‎گذارد. از این‌رو ارتباط تولید و آلودگی آب به عنوان شاخصی از تخریب محیط زیست قابل اثبات است به‏گونه‎ای که می‎توان فرایند آن را در قالب فرضیات محیط زیستی کوزنتس تحلیل نمود. بر این اساس می‎توان گفت مراحل اولیه رشد اقتصادی با آلودگی آب همراه است و در سطوح بالاتر درآمد سرانه این روال معکوس می‎شود. روش بررسی این مطالعه شیوه داده تابلویی است. در مقاله حاضر فرضیات محیط زیستی کوزنتس در دو حالت و برای دو گروه کشور مورد بررسی قرار گرفت: گروه اول: تولید ناخالص داخلی سرانه و گروه دوم: سهم ارزش افزوده صنعت از تولید ناخالص داخلی به عنوان شاخص رشد اقتصادی، برای گروه منتخبی از کشورهای توسعه یافته و در حال توسعه. مطابق نتایج حاصل از مدل فرضیه کوزنتس در هر دو حالت، شاخص بودن تولید ناخالص سرانه و سهم ارزش افزوده صنعت، به عنوان معیار رشد اقتصادی برای کشورهای در حال توسعه، مورد تایید قرار می‌گیرد و برای کشورهای توسعه یافته رد می‌شود.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Validity of the Environmental Kuznets Curve Hypotheses in Water Pollution A Case Study

نویسندگان [English]

  • Hediyeh Alishiri 1
  • Seyed Hossein Sajadifar 2
  • Azam Mohammadbagheri 3
1 Ph.D. Student of Petroleum Economics, Allameh Tabataba'i University, Tehran
2 Assist. Prof. member of Economic Systems, Department of Economics, Islamic Azad University, Shahriyar, Tehran
3 Senior Researcher, Institute for International Energy Studies (IIES), Tehran Branch, Shahriyar, Tehran
چکیده [English]

Among the different environmental pollutions, water pollution is of especial importance due to the rather unchanging supply of this vital resource on a global scale and because of the dire consequences of its pollution for human health. The relationship between water production and its pollution can thus established and used as a measure of environmental degradation. This relationship can then be captured and analyzed in terms of environmental Kuznets hypotheses. It may be claimed that the early stages of economic growth is associated with lower per capita income and water pollution but the trend is reversed with increasing per capita income and improved economic growth. The present study was conducted using the panel data technique and the Kuznets environmental hypotheses were examined for the two groups of developed and developing countries under the two scenarios of using either per capita GDP or the share of industry to the added value in GDP as an indicator of economic growth. Results indicate that under both scenarios, Kuznets hypotheses are confirmed when studying the situation in developing countries but refuted in the case of developed countries.

کلیدواژه‌ها [English]

  • Economic Growth
  • Environmental Kuznets Curve
  • Water Pollution
  • Developed Countries
  • Developing countries
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