Strengthening New Infrastructure Assets : A Cost-Benefit Analysis

This paper explores the benefits and the costs of strengthening infrastructure assets to make them more resilient, reducing the repair costs and infrastructure disruptions caused by natural hazards. Strengthening infrastructure assets in low- and m...

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Main Authors: Hallegatte, Stephane, Rozenberg, Julie, Rentschler, Jun, Nicolas, Claire, Fox, Charles
Format: Working Paper
Language:English
Published: World Bank, Washington, DC 2019
Subjects:
Online Access:http://documents.worldbank.org/curated/en/962751560793977276/Strengthening-New-Infrastructure-Assets-A-Cost-Benefit-Analysis
http://hdl.handle.net/10986/31916
id okr-10986-31916
recordtype oai_dc
spelling okr-10986-319162022-09-20T00:13:48Z Strengthening New Infrastructure Assets : A Cost-Benefit Analysis Hallegatte, Stephane Rozenberg, Julie Rentschler, Jun Nicolas, Claire Fox, Charles INFRASTRUCTURE INFRASTRUCTURE INVESTMENT COST-BENEFIT ANALYSIS WATER SUPPLY CLIMATE CHANGE IMPACT RESILIENT INFRASTRUCTURE This paper explores the benefits and the costs of strengthening infrastructure assets to make them more resilient, reducing the repair costs and infrastructure disruptions caused by natural hazards. Strengthening infrastructure assets in low- and middle-income countries would increase investment needs in power, transport, and water and sanitation by between $11 billion and $65 billion a year, i.e. 3 percent of baseline infrastructure investment needs. The uncertainty pertaining to the costs and benefits of infrastructure resilience makes it difficult to provide a single estimate for the benefit-cost ratio of strengthening exposed infrastructure assets. To manage this uncertainty, this paper explores the benefit-cost ratio in 3,000 scenarios, combining uncertainties in all parameters of the analysis. The benefit-cost ratio is higher than 1 in 96 percent of the scenarios, larger than 2 in 77 percent of them, and higher than 4 in half of them. The net present value of these investments over the lifetime of new infrastructure assets -- or, equivalently, the cost of inaction -- exceeds $2 trillion in 75 percent of the scenarios and $4.2 trillion in half of them. Moreover, climate change makes the strengthening of infrastructure assets even more important, doubling the median benefit-cost ratio. 2019-06-20T15:06:58Z 2019-06-20T15:06:58Z 2019-06 Working Paper http://documents.worldbank.org/curated/en/962751560793977276/Strengthening-New-Infrastructure-Assets-A-Cost-Benefit-Analysis http://hdl.handle.net/10986/31916 English Policy Research Working Paper;No. 8896 CC BY 3.0 IGO http://creativecommons.org/licenses/by/3.0/igo World Bank World Bank, Washington, DC Publications & Research Publications & Research :: Policy Research Working Paper
repository_type Digital Repository
institution_category Foreign Institution
institution Digital Repositories
building World Bank Open Knowledge Repository
collection World Bank
language English
topic INFRASTRUCTURE
INFRASTRUCTURE INVESTMENT
COST-BENEFIT ANALYSIS
WATER SUPPLY
CLIMATE CHANGE IMPACT
RESILIENT INFRASTRUCTURE
spellingShingle INFRASTRUCTURE
INFRASTRUCTURE INVESTMENT
COST-BENEFIT ANALYSIS
WATER SUPPLY
CLIMATE CHANGE IMPACT
RESILIENT INFRASTRUCTURE
Hallegatte, Stephane
Rozenberg, Julie
Rentschler, Jun
Nicolas, Claire
Fox, Charles
Strengthening New Infrastructure Assets : A Cost-Benefit Analysis
relation Policy Research Working Paper;No. 8896
description This paper explores the benefits and the costs of strengthening infrastructure assets to make them more resilient, reducing the repair costs and infrastructure disruptions caused by natural hazards. Strengthening infrastructure assets in low- and middle-income countries would increase investment needs in power, transport, and water and sanitation by between $11 billion and $65 billion a year, i.e. 3 percent of baseline infrastructure investment needs. The uncertainty pertaining to the costs and benefits of infrastructure resilience makes it difficult to provide a single estimate for the benefit-cost ratio of strengthening exposed infrastructure assets. To manage this uncertainty, this paper explores the benefit-cost ratio in 3,000 scenarios, combining uncertainties in all parameters of the analysis. The benefit-cost ratio is higher than 1 in 96 percent of the scenarios, larger than 2 in 77 percent of them, and higher than 4 in half of them. The net present value of these investments over the lifetime of new infrastructure assets -- or, equivalently, the cost of inaction -- exceeds $2 trillion in 75 percent of the scenarios and $4.2 trillion in half of them. Moreover, climate change makes the strengthening of infrastructure assets even more important, doubling the median benefit-cost ratio.
format Working Paper
author Hallegatte, Stephane
Rozenberg, Julie
Rentschler, Jun
Nicolas, Claire
Fox, Charles
author_facet Hallegatte, Stephane
Rozenberg, Julie
Rentschler, Jun
Nicolas, Claire
Fox, Charles
author_sort Hallegatte, Stephane
title Strengthening New Infrastructure Assets : A Cost-Benefit Analysis
title_short Strengthening New Infrastructure Assets : A Cost-Benefit Analysis
title_full Strengthening New Infrastructure Assets : A Cost-Benefit Analysis
title_fullStr Strengthening New Infrastructure Assets : A Cost-Benefit Analysis
title_full_unstemmed Strengthening New Infrastructure Assets : A Cost-Benefit Analysis
title_sort strengthening new infrastructure assets : a cost-benefit analysis
publisher World Bank, Washington, DC
publishDate 2019
url http://documents.worldbank.org/curated/en/962751560793977276/Strengthening-New-Infrastructure-Assets-A-Cost-Benefit-Analysis
http://hdl.handle.net/10986/31916
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