Guidelines for the Economic Analysis of Projects

Institutional Document | March 2017

Guidelines for ADB staff, consultants, and officials of developing member countries in assessing project proposals for economic viability and financial sustainability.

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Project economic analysis aims to ensure that scarce resources are allocated efficiently, and investment brings benefits to a country and raises the welfare of its citizens. It is a tool used by ADB to ensure that ADB operations comply with its Charter. The guidelines in this publication are a revised version of the 1997 edition. The revision responds to the changing development context and ADB operational priorities, and aims to address the recommendations of the ADB Quality-at-Entry Assessments for more methodological work on project economic analysis. The revised guidelines provide general principles for the conduct of project economic analysis, and should be read together with handbooks, technical reports, and other reference materials published by ADB dealing with sector-specific project economic analysis in detail.

The revised guidelines incorporate a number of changes from the 1997 edition that include

  • revised minimum required economic internal rate of return (EIRR) for investment decisions,
  • several issues that have emerged or become more important since the adoption of the 1997 edition, including economic analysis under various financing modalities, the treatment of the social cost of carbon, and economic analysis of regional economic cooperation projects 
  • a new chapter on benefit valuation by sector which details the method for valuing project benefits in major sectors of ADB operations.


  • Tables and Figures
  • Foreword
  • Acknowledgments
  • Abbreviations
  • Introduction
  • Scope of Project Economic Analysis
  • Identification of Project Benefits and Costs
  • Economic Valuation of Benefits and Costs
  • Benefit Valuation in Different Sectors
  • Investment Decisions and Criteria
  • Sensitivity and Risk Analysis
  • Project Sustainability
  • Distribution Analysis

Additional Details

  • ADB administration and governance
  • 168
  • TIM178607-2
  • 978-92-9257-763-6 (Print)
  • 978-92-9257-764-3 (e-ISBN)

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