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Geoffrey Hewings: Abstract and background reading

Title image Geoffery Hewings

SHORT ABSTACT: The internal structure the metropolitan Chicago economy is explored in three ways.  The first unravels the interactions between a four-fold spatial division of the metropolitan economy focusing on trade in good and services, income receipts and their movement from work to home and finally the spatial patterns of consumption expenditures.  The relative sparsity of interzonal flows of goods and services provides an incomplete and inaccurate representation of the degree of spatial integration when all types of movements are considered.  The second exploration examines the spatial structure of the Miyazawa interrelational income matrix that reveals significant asymmetry in the propagation of indirect and induced income effects in the region.  This perspective is complemented by a times series of interrelational income matrices focused on income impacts by age and income level that further highlight the need to move away from the single representative household in economy-wide models of regional economies.


READ MORE: Consideration is given to the spatial structure of the metropolitan area, and to the tendency for this to be generalized in terms of the stark dichotomy of city and suburbs. Focusing on a four-zone metropolitan area, a model of spatial interaction is outlined, the components of which are based on intersectoral trade, labour mobility, and consumption-expenditure patterns. These components are drawn together as layers in an organized sequence of processes. The linked components are shown to give rise to intricate patterns of spatial interdependence. These have the effect of blurring the city-suburbs distinction, and are fundamentally different from comparable patterns at other spatial scales.

In the second exploration, the nature and strength of economic interdependence between inner-city communities and suburbs within the Chicago metropolitan area. Employing Miyazawa’s extended input-output framework, a multiregional model is used to investigate the interdependence of income formation and output generation. The metropolitan area is divided into four regions and particular attention is directed to predominantly minority areas on the south and west sides of the city of Chicago. The interrelational income multiplier analysis revealed considerable interdependence between regions although the strength of this interdependence was asymmetric with significant spillovers from the inner city to the suburbs but very little spillover in the other direction.  Complementing this perspective, analysis was also conducted on income relationships based on divisions of households by age and income.  Additional complexity was revealed with significant asymmetries in the income flows from households of different income levels.




Geoffrey J.D. Hewings, Yasuhide Okuyama, and Michael Sonis, (2001) “Economic Interdependence within the Chicago Metropolitan Region: A Miyazawa Analysis,” Journal of Regional Science, 41, 195-217.

Geoffrey J.D. Hewings and John B. Parr (2007) “Spatial Interdependence in a Metropolitan Setting,” Spatial Economic Analysis, 2, 7-22

Kijin Kim, Kurt Kratena and Geoffrey J.D. Hewings (2015) “The extended econometric input-output model with heterogeneous household demand system,” Economic Systems Research 27, 257-285

Kijin Kim and Geoffrey J.D. Hewings (2019) “Bayesian estimation of labor demand by age: Theoretical consistency and an application to an input-output model,” Economic Systems Research, 31, 44-69.


Abstract and background reading (Alex Anas)


SHORT ABSTACT: [coming soon]



The talk will be about applications of RELU-TRAN in Los Angeles and in Paris. All the relevant papers can be accessed at