The Optimal Timing of Infrastructure Investment

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.

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Economies of Scale in Bus transport: I. Some British Municipal Results

This study was prompted by the proposal to merge a number of municipal transport undertakings into Passenger transport Authorities. The authors analyse figures showing various working expenses per bus-mile, and find no evidence of scale economies. They point out, however, that the P.T.A.s will be larger than any undertaking in their sample, and that a different conclusion might conceivably be reached if data were available on costs per passenger-mile. Extension of one-man operation appears to offer greater scope for economies than amalgamation.

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