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https://ssrn.com/abstract=636145
 
 

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Reviving Project Appraisal at the World Bank


Shantayanan Devarajan


World Bank Middle East and North Africa Region

Lyn Squire


Global Development Network

Sethaput Suthiwart-Narueput


World Bank - Public Economics Division; Sasin GIBA

August 1995

World Bank Policy Research Working Paper No. 1496

Abstract:     
The authors focus on two broad questions: 1) what is the proper role for project evaluation in today's world, where countries have reduced major economic distortions and are reconsidering the role of the state? and 2) besides project evaluation, how else can economic analysis ensure high-quality projects? The authors argue for a shift in the emphasis of project evaluation away from a concern with precise rate of return calculations to a broader examination of the rationale for public provision. In this context, three areas critical for proper project appraisal are the counterfactual private sector supply response, the fiscal impact, and the fungibility of lending. (1) Counterfactual private sector supply response. Any type of cost-benefit analysis - be it in the public or the private sector - requires the project evaluator to specify the counterfactual: what would the world have looked like in the absence of the project? Since World Bank projects are public sector projects, the relevant counterfactual involves assessing what the private sector would have otherwise provided, and the relevant magnitude for evaluation purposes is the net contribution of the public project. Failure to consider explicitly the private sector counterfactual during evaluation biases the lending mix of the Bank away from projects with strong public good characteristics toward projects with private good characteristics. (2) Fiscal impact. Applying the private sector couterfactual would lead the Bank to undertake projects with a reasonable case for public intervention, such as basic infrastructure, primary education, and rural health. These projects typically share the characteristics that costs are borne by the public sector while benefits are enjoyed by the private sector. But in the absence of nondistortionary, lump sum taxes, there is likely to be a positive marginal cost of taxation and a premium on public income. Since the Bank has not used such a premium and treats public costs and private benefits equally, it has systematically overestimated the net benefits of these projects. (3) Fungibility of lending. Project-specific appraisal can at best assess only the rate of return and the acceptability of the project being appraised. This limitation is problematic because the project might have been undertaken even without Bank financing. If that is the case, the Bank is actually financing some other project - one not subject to appraisal by the Bank - that would not have been in the investment program without Bank financing. This problem arises because financial resources are fungible to some extent. One way to alleviate this concern is to conduct public expenditure reviews before embarking on the appraisal and financing of specific projects. Furthermore, financing a portion of the government's sectoral investment program may be more effective than project-specific lending.

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Date posted: April 20, 2016  

Suggested Citation

Devarajan, Shantayanan and Squire, Lyn and Suthiwart-Narueput, Sethaput, Reviving Project Appraisal at the World Bank (August 1995). World Bank Policy Research Working Paper No. 1496. Available at SSRN: https://ssrn.com/abstract=636145

Contact Information

Shantayanan Devarajan (Contact Author)
World Bank Middle East and North Africa Region ( email )
1818 H Street, NW
Washington, DC 20433
United States
Lyn Squire
Global Development Network ( email )
2600 Virginia Avenue, NW
Suite 1112
Washington, DC 20037
United States
Sethaput Suthiwart-Narueput
World Bank - Public Economics Division ( email )
1818 H Street
Washington, DC 20433
United States
202-473 4604 (Phone)
202-522 1154 (Fax)
Sasin GIBA
Bangkok 10330
Thailand
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