تعیین تعرفه بهینه پساب تصفیه‌شده در بخش کشاورزی جنوب استان تهران

نوع مقاله : مقاله پژوهشی

نویسندگان

1 استاد گروه اقتصاد کشاورزی، دانشکده اقتصاد و توسعه کشاورزی، دانشگاه تهران، کرج، ایران

2 دانشجو دکتری گروه اقتصاد کشاورزی، دانشکده اقتصاد و توسعه کشاورزی، دانشگاه تهران، کرج، ایران

3 استادیار گروه اقتصاد کشاورزی، دانشکده اقتصاد و توسعه کشاورزی، دانشگاه تهران، کرج، ایران

4 دانشیار گروه اقتصاد کشاورزی، دانشکده اقتصاد و توسعه کشاورزی، دانشگاه تهران، کرج، ایران

چکیده

هدف مطالعه­ حاضر، تعیین تعرفه بهینه پساب تصفیه­شده در بخش کشاورزی جنوب استان تهران است. به­منظور دستیابی به این هدف از روش برنامه­ریزی ریاضی اثباتی (PMP) و برای برآورد ارزش حفاظتی از روش ارزش­گذاری مشروط (CVM) استفاده شد. اطلاعات مورد نیاز با تکمیل 470 پرسشنامه به روش نمونه­گیری خوشه­ای دو مرحله­ای در جنوب استان تهران در سال 1398جمع­آوری گردید. براساس نتایج قیمت تمام شده پساب تصفیه شده 21،523 ریال به ازای هر متر مکعب در استان تهران تعیین گردید، قیمت تحویلی برای هر متر­مکعب پساب تصفیه­شده در شهرهای قرچک، پیشوا، ری و ورامین به­ترتیب 4444، 5556، 9778 و 5000 ریال، ارزش اقتصادی 10080، 15720، 17090 و 12370 ریال و تمایل به پرداخت کشاورزان 9474، 10136، 10173 و 10671 ریال تعیین گردید. در نهایت، با بررسی شرایط تشکیل بازار، تعرفه بهینه پساب تصفیه­شده در بخش کشاورزی جنوب استان تهران (PEWW)10،114 ریال به ازای هر متر­مکعب تعیین گردید. با توجه به بالا بون قیمت تمام شده هر متر­مکعب پساب تصفیه شده، پیشنهاد می­گردد بخش خصوصی وارد بازار تصفیه پساب گردد، زیرا می­تواند مابه­التفاوت قیمت تمام شده و تمایل به پرداخت کشاورزان برای پساب تصفیه­شده را از محل کمک­های زیست­محیطی دولتی پرداخت نماید.

کلیدواژه‌ها

عنوان مقاله [English]

Determining the optimal tariff for Treated wastewater in the agricultural sector in the south of Tehran province

نویسندگان [English]

  • Saeid Yazdani 1
  • Maryam Hasanvand 2
  • Hamed Rafiei 3
  • Iraj Saleh 4
1 Professor, Department of Agricultural Economics, Faculty of Agriculture Economics and Development, University of Tehran, Tehran, Iran
2 PhD student, Department of Agricultural Economics, Faculty of Agriculture Economics and Development, University of Tehran, Tehran, Iran
3 Assistant Professor, Department of Agricultural Economics, Faculty of Agriculture Economics and Development, University of Tehran, Tehran, Iran
4 Associate Professor, Department of Agricultural Economics, Faculty of Agriculture Economics and Development, University of Tehran, Tehran, Iran
چکیده [English]

The aim of this study is to determine the optimal tariff for treated wastewater in the agricultural sector in the south of Tehran province. In order to achieve this goal, Used of positive mathematical programming (PMP) optimization method and the conditional valuation method (CVM) to estimate the conservation value. The required information was collected by completing 470 questionnaires by two-stage cluster sampling in the south of Tehran province in 2019. Based on the results, the cost price of treated wastewater was determined to be 21,523 Rial per cubic meter in Tehran province. Market price for each cubic meter of treated wastewater in Qarchak, Pishva, Rey and Varamin cities is 4444, 5556, 9778 and 5000 Rial respectively, value Marginal production is 10080, 15720, 17090 and 12370 Rial and willingness to pay of farmer 9474, 10136, 10173 and was determined to be 10671 Rial. Finally, by examining the conditions of market formation, the optimal tariff for treated wastewater in the south of Tehran province (PEWW) was determined to be 10,114 Rial per cubic meter. Due to the high cost price of each cubic meter of treated farmers are, it is suggested that the private sector enter the wastewater treatment market, because it can pay the difference between the cost price and the willingness to pay of farmers for the treated wastewater from government environmental assistance.

کلیدواژه‌ها [English]

  • Tariff
  • Optimal
  • Wastewater
  • Conditional Valuation
  • Positive Mathematical Planning

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تحقیقات اقتصاد و توسعه کشاورزی ایران
دوره 53، شماره 1
فروردین 1401
صفحه 91-108

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