Regression Analysis of Time Series Data on Motor Vehicles Deaths in the United States

Regression Analysis of Time Series Data on Motor Vehicles Deaths in the United States

Various possible causes of road deaths are assessed. Safety regulations are found to have reduced deaths of occupants of vehicles but increased deaths of pedestrians.

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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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