Disentangling the chicken or egg causality dilemma of household waste sorting and segregated waste collection: A randomized controlled trial in India

Shivani Wadehra (), Zihan Nie () and Francisco Alpizar Rodriguez
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Shivani Wadehra: School of Liberal Studies, University of Petroleum and Energy Studies, Dehradun, India
Zihan Nie: Center for Innovation and Development Studies, Beijing Normal University, Zhuhai 519087, China

No 24-8, EfD Discussion Paper from Environment for Development, University of Gothenburg

Abstract: The provision of public goods often requires coordination among different actors. This is the case with waste management. If waste collectors collect waste separately, households would find it more worthwhile to segregate waste at home. If the households could segregate better at source, it would be cheaper for the waste collectors to collect waste separately and reduce processing costs and environmental impacts. However, neither collectors nor households have an incentive to engage in the required behavior if they do not expect the other party to change. In this paper, we aim to disentangle this chicken or egg causality problem with a large-scale intervention that provides a guaranteed segregated collection service and promotes waste segregation at source. Our study takes place in India, where waste management is an important concern. We find that a guaranteed service increases segregated waste only slightly, whereas encouraging households to segregate, given a guaranteed segregated service, increases the waste disposal rate by over 200% and the positive effect is in place even six months after the initial treatment. Our experimental design allows us to show that a reliable segregated waste collection service is key to successful household-side interventions. Breaking the vicious circle of waste segregation may require simultaneous actions from both parties.

Keywords: waste segregation; collection service; information campaign (search for similar items in EconPapers)
JEL-codes: Q00 (search for similar items in EconPapers)
Pages: 43 pages
Date: 2024-06-11
New Economics Papers: this item is included in nep-env and nep-exp
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