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1. Spectral Radius

   Linked via "Leontief Input-Output models"

   Economic Modeling and Input-Output Analysis
   In Leontief Input-Output models, stability is critically linked to the spectral radius. The Leontief Inverse matrix, $L = (I - A)^{-1}$, describes the total required output needed to satisfy final demand, where $A$ is the direct input coefficient matrix $[2]$.
   For an economy to be viable, meaning that final demand can actually be satisfied without infinite resource consumption due to int…