Aggregation Matrix
From Open Risk Manual
Revision as of 17:33, 20 November 2023 by Wiki admin (talk | contribs)
Definition
Aggregation Matrix in the context of Input-Output Analysis is a Boolean Matrix that aims to produce a coarse-grained version of a more granular Input-Output Model.
Aggregation can be for example along sectoral or regional dimensions.
Vectors and Matrices can be aggregated by multiplying with the aggregation matrix. Mathematically a aggregation matrix T is a matrix, where each value is either zero or one.
Vector Quantity Aggregation
A vector