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A General Equilibrium Model of Australia's Premier City

Mark Horridge ()

Centre of Policy Studies/IMPACT Centre Working Papers from Victoria University, Centre of Policy Studies/IMPACT Centre

Abstract: Australian cities suffer from urban sprawl, leading to long average commute distances and high energy use by urban transport. To investigate this problem, we define and construct a medium-sized general equilibrium model of Australia's second-largest city, Melbourne. Individuals are modelled as utility maximisers who face a discrete number of choices. We follow the logit approach, where the probability of an individual pursuing an option (for example, living in high-density housing in zone A while working in zone B) is proportional to the utility derived from that option, taking into account the cost of the option and the effect of this cost on the total utility obtainable with given income-producing opportunities. The spatial layout of the city, through the cost of travel from one zone to another, influences the pattern of land rents, industrial activity, and housing location and density. As in other general equilibrium models, market-clearing and accounting equations allow the whole economy of the city to be presented within an integrated framework. The result is a fairly general economic model of urban land use and travel demands. We use it to analyse the effects of population growth and policy initiatives on transport usage. This paper was originally presented to the Australian Conference in Applied General Equilibrium Modelling, University of Melbourne (May 1991), then published as Centre of Policy Studies Discussion Paper No. D149 (July 1991), then, retitled 'A general equilibrium model of Australia's second largest city' as IAESR working paper no. 1991/2 (September)[] and in 1994 published as 'A Computable General Equilibrium Model of Urban Transport Demands' in the Journal of Policy Modeling. It was reissued as CoPS/IMPACT Working Paper Number IP-74 in October 1999.

JEL-codes: C68 R13 R14 (search for similar items in EconPapers)
Date: 1991-07
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Published in Journal of Policy Modeling, Elsevier, vol. 16(4), pages 427-457, August 1994.

Downloads: (external link) Initial version, 1991-07 (application/pdf) Local abstract: may link to additional material. (text/html)

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