M-Labeled Digraphs: An Aid to the Use of Structural and Simulation Models
James R. Burns, Wayland H. Winstead
Management Science · 1985 · Volume 31 · Issue 3
Abstract
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.
Keywords
forrester models, signed digraphs, simulation, structural modeling
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