The Western Nigeria Road Development Survey. A Case Study in Pre-Investment Analysis in Developing Countries

The Western Nigeria Road Development Survey. A Case Study in Pre-Investment Analysis in Developing Countries

The Western Nigeria Regional Government, realising the need to promote crops for export, commissioned a comprehensive study to determine cost/benefit ratios and allocate priorities for road improvements. This article describes the methods adopted by the team of engineers and economists and how their recommendations were arrived at.

Share Content

Share on facebook
Facebook
Share on google
Google+
Share on twitter
Twitter
Share on linkedin
LinkedIn

Related Articles

Evaluation of Consumer Surplus with Dynamic Demand

The search for higher utility alternatives underpins the empirical observation that longer-run demand elasticities tend to be higher than in the short run. However, there is another implication, that there will be a bias if consumer surplus is estimated by the use of a static model. This paper shows that there is a special case where using a static elasticity does not give bias.

View Journal »

Problems in Estimating Comparative Costs of Safety and Mobility

The costs and benefits of safety cannot logically be separated from the costs and benefits of mobility. Although the value of life and the value of time are difficult to estimate, there are means available for approaching monetary values. Calculations are given for one well-known safety intervention: the US 55 mph speed limit.

View Journal »

The Optimal Timing of Infrastructure Investment

This paper looks at the differences between the private firm and the public planner in timing investment in projects involving large sunk costs in growing markets. It shows that competition in the private sector will drive firms to invest earlier than the socially preferred date whilst a low ratio of private (producer) to public (producer plus consumer) benefits will cause them to delay relative to the socially preferred date. The paper looks at policy instruments for altering the private sector’s timing decision.

View Journal »