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Economic appraisal of rural roads : simplified operational procedures for screening and appraisal (Inglês)

This paper suggests simple operational approaches to the screening and economic appraisal of road components of rural roads and rural development projects. It is based on a review of appraisal reports and related preparation documents of 15 "traditional" Bank rural roads projects and 5 rural development projects with rural road components, as well as relevant literature. The objective is to simplify screening and appraisal methods without reducing their reliability to unacceptable levels. The proposed screening methods are based on the principles of discriminant analysis and a process of finding a quick and rough estimation of an economic return. Discriminant analysis is a simple statistical technique to classify rural roads or groups of interdependent rural roads into two sets: likely feasible and unfeasible ones. Simplified economic appraisal procedures are presented in increasing order of complexity. If a proposed investment passes the test of a simple method, no further analysis is needed. If it does not pass this appraisal, the use of a more time-consuming method is recommended.


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    Economic appraisal of rural roads : simplified operational procedures for screening and appraisal

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    aerial photography,affiliates,Agricultural Production,agriculture,Benefit Streams,buses,Consumer Surplus,cost of capital,cost savings,Daily Traffic,development projects,economic activity,Economic Analysis,Economic appraisal,economic criteria,Economic development,economic factors,economic feasibility,economists,education,equations,Equilibrium,Exports,farms,forestry,health,highways,Municipalities,Net Benefits,net value,normal traffic,Operating Costs,opportunity cost,opportunity costs,pack animals,passenger,passenger cars,penetration roads,pickups,present value,Regression Analysis,Road Maintenance,Road Transport,Rural Road Construction,rural roads,rural transport,savings,screening,sunk costs,Supply Curves,symbols,Terrain,topography,total costs,transport,Transport Projects,Transportation,trucks,value added,Vehicle Operating Costs



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