More Powerful Engines for Lorries? An Exercise in Cost-Benefit Analysis

More Powerful Engines for Lorries? An Exercise in Cost-Benefit Analysis

A study commissioned by the Ministry of transport suggests that a legal minimum power-to-weight ratio of 8 BHP per ton would produce approximately equal costs and benefits for vehicles under 30 tons gross weight; costs would exceed benefits for larger vehicles. Benefits would exceed costs for a minimum of 6 BHP per ton, and this is to be imposed.

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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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