Difference between revisions of "Aggregation Matrix"

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== Definition ==
 
== Definition ==
'''Aggregation Matrix''' in the context of [[Input-Output Analysis]] is a [[Boolean Matrix]] (composed of zeros and ones) that aims to produce a coarse-grained version of a more granular [[Input-Output Model]].  
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'''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.
 
Aggregation can be for example along sectoral or regional dimensions.

Revision as of 15:18, 16 November 2023

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:

\mathbf{y}_{s} = \mathbf{S} \mathbf{y}
\mathbf{A}_{s} = \mathbf{S} \mathbf{A} \mathbf{S}^T

See Also

Further Resources