Simple hybrid input - output models: a graphical approach
It is shown how the familiar Leontief input - output model, and the less familiar supply driven input - output model, may be formulated in terms of weighted digraph analysis. The two models concerned have hitherto been used essentially independently of each other with apparently no simple framework within which they can be combined. The graphical analysis presented below, however, enables them to be combined within a single framework, thus forming a new, hybrid, input - output model framework.
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