1986 volume 18(1) pages 107 – 121
doi:10.1068/a180107

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Szyrmer J M, 1986, "Measuring connectedness of input - output models: 2. Total flow concept" Environment and Planning A 18(1) 107 – 121
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Measuring connectedness of input - output models: 2. Total flow concept

J M Szyrmer

Received 13 March 1985; in revised form 24 June 1985

Abstract. Several aspects of the notion of model connectedness are examined. Connectedness is defined as the property of the system elements (economic industries or ecological components) of being interdependent and is measured by the volume of total intermediate flow. The concept of total flow is received and applied as a basis for calculation of a number of indexes, such as the average total flow coefficient and the average internal multiplier, both of which are sensitive to (1) number, (2) diversity, and (3) volume of input - output linkages and express appropriately the overall connectedness.

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