User Economies of Scale in Public Transport

The so-called Mohring Effect holds that there are user economies of scale in public transportation, i.e., if supply follows demand, more users will result in shorter average time spent in travel. This argument, first proposed in 1972, has regained importance following some recent policy developments. The analysis by Mohring implies that the modal shift to public transportation might be even larger than what would initially be expected following the introduction of congestion charging. For example, the introduction of congestion charging would lead to an immediate positive impact on the demand for public transport. If supply follows demand, the average waiting time for a bus will decrease. This in turn will have a positive impact on demand.


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  • Accession Number: 01042365
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Feb 25 2007 10:17PM