بررسی الگوهای رفتاری خانوارها در رابطه با طرح تفکیک زباله در مبدأ (مطالعۀ موردی شهر مشهد)

نوع مقاله: مقاله پژوهشی

نویسندگان

1 دانشجوی کارشناسی ارشد رشتۀ اقتصاد کشاورزی، دانشگاه فردوسی مشهد

2 استاد گروه اقتصاد کشاورزی، دانشگاه فردوسی مشهد

3 دانشجو کارشناسی ارشد رشتۀ اقتصاد کشاورزی، دانشگاه فردوسی مشهد

4 دانشجوی کارشناسی ارشد رشته اقتصاد کشاورزی دانشگاه فردوسی مشهد

چکیده

با توجه به افزایش تولید زباله و کمیابی اراضی تخصیص‌یافته برای دفن زباله در حوزۀ شهری، دل‌نگرانی‌های حاصل از خسارت‌های اکولوژیکی ناشی از زباله‌های خطرناک و زیان وارده به محیط زیست، مدیریت زباله‌های شهری از اهمیت فوق‌العاده‌ای برخوردار شده است. در این پژوهش با استفاده از اطلاعات پیمایشی 391 خانوار شهر مشهد در سال 1391 و بهره‌گیری از الگوی توبیت به روش دو‌مرحله‌ای هکمن، الگوهای رفتاری خانوارها در حوزۀ تفکیک زباله در مبدأ بررسی شده است. بررسی اثر نهایی متغیرهای الگوی پروبیت نشان داد دیدگاه دربارۀ تأثیر تفکیک زباله بر نظافت شهر با تأثیر مثبت و انگیزۀ اقتصادی با تأثیر منفی بر تصمیم خانوارها به تفکیک کاغذ، شیشه و زباله‌های تر نقش دارد. تأثیر متغیر وجود باغچه بر روی تصمیم به تفکیک زبالۀ تر مثبت و تأثیر متغیرهای پرداخت‌های غیر‌مستقیم به عوامل جمع‌آوری زباله و درآمد بر روی تصمیم به تفکیک زباله منفی است. متغیرهای وجود باغچه تأثیر مثبت و پرداخت‌های غیر‌مستقیم به عوامل جمع‌آوری زباله و درآمد بر تصمیم به تفکیک زباله‌های تر خانوارها تأثیر منفی دارد. همچنین نتایج حاصل از برازش الگوی رگرسیون خطی (مرحلۀ دوم) بیانگر تأثیر مثبت دیدگاه دربارۀ تأثیر تفکیک زباله بر نظافت شهر و تأثیر منفی پرداخت‌های غیر‌مستقیم به عوامل جمع‌آوری زباله و انگیزۀ اقتصادی بر میزان تفکیک زباله‌های تر دارد. با توجه به یافته‌ها، به‌منظور افزایش میزان تفکیک زباله توسط خانوارها، آموزش خانوارها در ارتباط با مسائل زیست‌محیطی زباله‌ها و چگونگی تفکیک اصولی و صحیح زباله‌های قابل بازیافت و ایجاد سازوکارهای مناسب انگیزشی در خانوارها برای کاهش تولید زباله و افزایش مشارکت در نظام تفکیک زباله‌ها به برنامه‌ریزان این عرصه پیشنهاد شد.

کلیدواژه‌ها


عنوان مقاله [English]

Investigating the behavioral patterns of households regarding waste separation at source: A case study in Mashhad

نویسندگان [English]

  • hani hamzeh kalkenari 1
  • mohammad ghorbani 2
  • Farzaneh Alipouryan 3
  • ahvan kaseb 1
  • saeid hatiteh 4
1 MSc Student, Department of Agricultural Economics, Ferdowsi University of Mashhad
2 Professor, Department of agricultural economics, Ferdowsi University of Mashhad
3 1MSc Student, Department of Agricultural Economics, Ferdowsi University of Mashhad
4 MSc Student, Department of Agricultural Economics, Ferdowsi University of Mashhad
چکیده [English]

Considering the increase in waste production, scarcity of land allocated to landfill in urban areas, concerns about ecological damages caused by hazardous waste and damages done to the environment, municipal waste management has become of tremendous importance. The study investigated the behavioral patterns of households regarding waste separation at source using data collected through interviewing 391 households in Mashhad in 2013. Tobit model and Heckman two stage model were used. Analysis of marginal effect of variables in Probit model revealed that views about effect of separation of waste in city cleanness had positive effect and economic incentives had negative effect on decisions to Separate paper, glass and wet wastes. The variable of having garden in the house had a positive effect and indirect cost of paying those who collect the waste and family income had negative effects on decisions to separate wet waste from dry ones.Also, the analysis of linear regression (second stage) showed that the views about the effect of waste separation in city had a positive effect on the amount of wet waste separation, and indirect cost of paying those who collect the waste and family income had a negative effect on it. Based on the findings, in order to increase waste separation by households, it is recommended that the policy makers should consider providingthe households with the information about environmental issues regarding waste and how to correctly separate recyclable waste, establishing motivational mechanisms to decrease waste production and increasing households' participation in waste separation.
 
 

کلیدواژه‌ها [English]

  • Waste separation at source
  • Households
  • Heckman two stage model
  • environment
  • Mashhad
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