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Cost-efficiency of rural sanitation promotion: activity-based costing and experimental evidence from Tanzania

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  • Bertha Briceño
  • Claire Chase

Abstract

This paper applies cost-efficiency analysis to an intervention that promotes behaviour change for rural sanitation in Tanzania. The campaign targets a number of potential beneficiaries, out of which some are effectively encouraged to adopt the new practices (beneficiaries). As a result, the cost-efficiency of the programme depends on the extent of take-up of improved sanitation by the target population, unknown in advance. To correctly account for the costs of households gaining access under this demand-driven approach, both costs (investments) and increased access to sanitation are considered outcomes and are estimated from samples of beneficiary and control populations, using a randomised-controlled trial design. Results show that sanitation promotion did not lead to higher investment relative to the control group and that the cost-per-person effectively gaining access to sanitation is substantially higher than the cost-per-person targeted or at-reach of the campaign. Using these estimates, the authors found that universal coverage can be obtained for the equivalent of 4 per cent of Tanzania’s national GDP (2013). They also used parameters estimated from the study to simulate cost-per-person of the programme when take-up increases (efficiency gains).

Suggested Citation

  • Bertha Briceño & Claire Chase, 2015. "Cost-efficiency of rural sanitation promotion: activity-based costing and experimental evidence from Tanzania," Journal of Development Effectiveness, Taylor & Francis Journals, vol. 7(4), pages 423-434, December.
    • Handle: RePEc:taf:jdevef:v:7:y:2015:i:4:p:423-434
    DOI: 10.1080/19439342.2015.1105848
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    References listed on IDEAS

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    1. Independent Evaluation Group, 2007. "Sourcebook for Evaluating Global and Regional Partnership Programs : Indicative Principles and Standards," World Bank Publications - Books, The World Bank Group, number 6601, December.
    2. African Ministers' Council on Water, 2011. "Water Supply and Sanitation in Tanzania : Turning Finance into Services for 2015 and Beyond," World Bank Publications - Reports 12844, The World Bank Group.
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    Cited by:

    1. Yokoo, Hide-Fumi & Harada, Tetsuya, 2023. "What makes green persuasion effective? Evidence from a community-financed sanitation program in Indonesia," Resource and Energy Economics, Elsevier, vol. 73(C).

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