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Träfflista för sökning "WFRF:(Westin Lars 1953 ) srt2:(1988-1989)"

Sökning: WFRF:(Westin Lars 1953 ) > (1988-1989)

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  • Batten, David, et al. (författare)
  • Modelling Commodity Flows on Trade Networks : Retrospect and Prospect
  • 1989
  • Rapport (övrigt vetenskapligt/konstnärligt)abstract
    • Various approaches to the estimation of commodity flow or trade share matrices across world trade networks are examined. Some serious drawbacks associated with the use of spatial price equilibrium models are identified, and a case is made for combining two or more individual approaches, such as may be found in "dispersed" spatial price equilibrium models or in computable general equilibrium models which cater for spatial heterogeneity. It is found that some variant of the gravity model may be a reliable guide to trade share patterns in the long run, particularly in a world of differentiated products and increasing returns to scale. A conclusive finding is that quite different models ought to be adopted for different commodities (i.e. markets) in the short and medium term perspective.
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  • Westin, Lars, Professor, 1953- (författare)
  • A short run inter-regional equilibrium vintage model
  • 1988
  • Ingår i: Australian Journal of Regional Studies. - Toowoomba, Qld. : Australian and New Zealand Section of the Regional Science Association. - 1030-7923. ; 3:3, s. 3-11
  • Tidskriftsartikel (refereegranskat)
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  • Westin, Lars, Professor, 1953- (författare)
  • Location, Transportation and Investments in a Multisector Vintage Model
  • 1989
  • Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
    • A model which captures the interaction between infrastructure, spatial economic growth, and structural change is presented. The model is an Applied Multisector Network Equilibrium (AMNE) model consisting of a Walras–Armington formulation of commodity flows and a multinominal logit formulation of modal split and link assignment. The supply side is of vintage type since the time horizon is medium term. The equilibrium model is motivated as an adiabatic approximation of a dynamic system in continuous time where the slaving principle has been applied to separate the involved processes.
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