May, A.D., Shepherd, S.P. and Bates, J.J. (2000) Supply Curves for Urban Road Networks. Journal of Transport Economics and Policy, 34 (3). pp. 261-290.Full text available as:
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Supply curves are essential for demand prediction in aggregate networks, and need to relate cost of use to flow demanded rather than to flow performed. The paper defines the parameters of relevance and the relationships required. A microsimulation model is used to generate such relationships for hypothetical networks. Network performance curves can exhibit backward-bending relationships between speed and flow performed, but these curves are inappropriatefor demand prediction. Relationships between speed and flow demanded are monotonic, but not necessarily linear. They can exhibit spatial and temporal dependencies, both of which requires them to be reestimated if demand patterns change.
|Copyright, Publisher and Additional Information:||This is a publisher produced version of a paper from the Journal of Transport Economics and Policy. This final version is uploaded with the permission of the publishers, and can originally be found at http://www.bath.ac.uk/e-journals/jtep/|
|Institution:||The University of Leeds|
|Academic Units:||The University of Leeds > Faculty of Environment (Leeds) > Institute for Transport Studies (Leeds)|
|Depositing User:||Adrian May|
|Date Deposited:||28 Jun 2007|
|Last Modified:||22 Sep 2014 22:37|
|Publisher:||Journal of Transport Economics and Policy|