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M-Labeled Digraphs: An Aid to the Use of Structural and Simulation Models
James R. Burns and Wayland H. Winstead
Vol. 31, No. 3 (Mar., 1985), pp. 343-357
Published by: INFORMS
Stable URL: http://www.jstor.org/stable/2631490
Page Count: 15
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M-labeled digraphs are defined and a technique for determination of the sign of sequences in such digraphs is presented. Conditions under which the sign of a sequence can be determined are derived. This work is motivated by the need to assess the structural effect of an "input" upon the endogenous quantities of an M-labeled digraph. A technique for comparing and combining the effects of structurally redundant inputs is presented. The theoretical development is followed by application to a prototypical Forrester model involving a population sector interactant with a housing sector.
Management Science © 1985 INFORMS